source_dataset
stringclasses 7
values | question
stringlengths 4
6.19k
| choices
listlengths 4
4
| answer
stringclasses 4
values | rationale
stringlengths 0
5.74k
⌀ | split
stringclasses 1
value | subject
stringclasses 1
value |
|---|---|---|---|---|---|---|
aqua_rat
|
The speed of a boat in upstream is 45 kmph and the speed of the boat downstream is 95 kmph. Find the speed of the boat in still water and the speed of the stream?
|
[
"10 kmph",
"11 kmph",
"25 kmph",
"18 kmph"
] |
C
|
Speed of the boat in still water = (45+95)/2 = 70 kmph. Speed of the stream = (95-45)/2 = 25 kmph.Answer: C
|
train
| null |
aqua_rat
|
If each of 3 digit code is formed of integers from 1 to 30, inclusively, and each of the digits are different, how many possible codes are there?
|
[
"22896",
"26980",
"24698",
"24360"
] |
D
|
Code consists of 3 digits and no digit is repeated.
First digit of the code can have 30 possibilities
Second digit can have 29 possibilities
Third digit can have 28 possibilities
Total number of possible codes = 30*29*28 = 24360
Answer: E
|
train
| null |
mmlu
|
How to Memorize Things Quicker Than Other People? The following is my advice for you. Step 1: Preparation To improve your memorization, pay close attention to which environment you choose. For most people, this means choosing an area with few distractions, though some people do advance greatly by learning in public areas. Figure out what is most conducive to your learning so that you can get started. Next, start drinking some tea. I could link you to many scientific studies that confirm green tea as a natural catalyst for improving memory. Mechanically speaking, our ability to recall information comes down to the strength between neurons in our mind. The more you exercise the repetition, the stronger it is, resulting in the ability to memorize. As we get older, poisonous chemicals will damage our neurons, leading to memory loss. Green tea contains compounds, however, that block this poison and keep your brain cells working properly a lot longer. Step 2: Record what you're memorizing This is especially useful if you're trying to memorize information from a lecture. Use a tape recorder to track all of the acquired facts being spoken and listen to it. If you're trying to memorize a speech, record your reading of the speech and listen to the record. Obviously, this is most helpful for auditory learners, and it's also useful because it ensures that you're getting more context from a lecture that will help you learn the information faster. Step 3: Write everything down Before you start trying to recall everything from memory, write and re-write the information. This will help you become more familiar with what you're trying to memorize. Doing this while listening to your tape recorder can also help you keep a lot of the data. This is most useful for experiential learners. Step 4: Section your notes. Now that you have everything written down in one set of notes, separate them into sections. This is ideal for visual learners, especially if you use color1 coding to distinguish between subjects. This will help you break everything down and start classing the information being recorded in your brain. Step 5: Apply repetition to cumulative memorization For each line of text, repeat it a few times and try to recall it without looking. As you memorize each set of text, be cumulative by adding the new information to what you've just learned. This will keep everything within your short-term memory from fading. Keep doing this until you have memorized that section and you are able to recall the entire thing. Do not move on to another section until you have memorized that one completely. This is mostly visual learning, but if you are speaking aloud, then you are also applying auditory. Step 6: Teach it to someone (or yourself) The most effective method for me when I was in school was to teach the information to someone else. You can do this in a variety of ways. You can lecture the knowledge to someone sitting right in front of you (or the mirror, if you can't convince anyone to sit through it) and explain everything from your memory. If what you've learned needs to be recited word by word, then do this in front of someone as well in order to get a feel for what it will be like to recite the text to the intended audience. How can experiential learners getting more familiar with what they're to memorize?
|
[
"By recording and listening to the information.",
"By writing and re-writing the information.",
"By writing and listening to the information.",
"By recalling everything from memory."
] |
B
| null |
train
| |
ai2_arc_ARC-Challenge
|
A negative effect of the invention and use of paper is the
|
[
"increased use of glass bottles.",
"increased number of trees cut down.",
"decreased pollution in trash dumps.",
"decreased amount of books to read."
] |
B
| null |
train
| null |
mmlu
|
If all potato bugs are infertile, they will likely
|
[
"make efforts to starve",
"breed with some cats",
"be very sad about it",
"cease populating the earth"
] |
D
| null |
train
| |
aqua_rat
|
A work can be finished in 16 days by twenty women. The same work can be finished in fifteen days by sixteen men. The ratio between the capacity of a man and a woman is
|
[
"1:3",
"4:3",
"2:3",
"3:1"
] |
B
|
Explanation :
Work done by 20 women in 1 day = 1/16
Work done by 1 woman in 1 day = 1/(16×20)
Work done by 16 men in 1 day = 1/15
Work done by 1 man in 1 day = 1/(15×16)
Ratio of the capacity of a man and woman =1/(15×16) : 1/(16×20) = 1/15 : 1/20
= 1/3 :1/4 = 4:3
Answer : Option B
|
train
| null |
sciq
|
What do people apply to their lawns that causes water pollution?
|
[
"chemicals",
"manure",
"water",
"seeds"
] |
A
|
People pollute water when they apply excess chemicals to their lawn. They may also dispose of pollutants incorrectly.
|
train
| null |
aqua_rat
|
The ages of 2 persons differ by 18 years. If 12 years ago the elder one be 6 times as old as the younger one, find the present age of elder person.
|
[
"33.6",
"47",
"50.4",
"52.4"
] |
A
|
age of the younger person = x
age of the elder person = x+18
6(x-12) = x+18-12
x= 15.6
age of elder person = 15.6+18=33.6
Answer is A
|
train
| null |
sciq
|
The diagnosis of a disease or condition before the baby is born is called?
|
[
"prenatal diagnosis",
"specialized diagnosis",
"specific diaganosis",
"immature diagnosis"
] |
A
|
train
| null |
|
ai2_arc_ARC-Easy
|
Timber companies can best manage the number of trees in forests by
|
[
"converting deforested areas into malls.",
"planting trees to replace what they cut down.",
"adding pesticides to the soil around the trees.",
"removing the tree stumps when trees are cut down."
] |
B
| null |
train
| null |
sciq
|
If an elephant and a boy are falling towards the ground, who will land first?
|
[
"the elephant",
"neither will land",
"both same time",
"the boy"
] |
C
|
Both the elephant and the boy are falling to the ground because of gravity. The force of gravity (F grav ) is greater for the elephant than it is for the boy because the elephant is much more massive. Nonetheless, both of them will reach the ground at the same time (assuming they fall from the same height at the same time and there is no air resistance. ).
|
train
| null |
med_mcqa
|
Malignant hyperthermia is a rare complication of the use of the following anaesthetic:
|
[
"Ketamine",
"Thiopentone sodium",
"Halothane",
"Ether"
] |
C
|
Rarely, halothane can cause malignant hyperthermia, which is treated with dantrolene.
|
train
| null |
mmlu
|
How much paper do you use every year? Maybe you can't answer this question quickly. In 1900 the world's use of paper was about one kilogram for each person in a year. Now some countries use 50 kilograms of paper for each person in a year. But countries like America, England and Sweden certainly use more paper than other countries. Paper was first made in China about 2000 years ago. It was made from the hair-like parts of certain plants. Paper was not made in southern Europe until about the year 1100. In 1500, a German named Schaeffer found out that one could make the best paper from trees. After that the forest countries of Canada, Sweden, America, Finland became the most important ones in paper making. When we think of paper, we think of newspapers, books and writing paper. But there are many other uses. Only half of the paper is used for books and things like that. Paper is very good for keeping you warm. Houses are often insulated(, ) with paper. You may see some men asleep on a large number of newspapers. They're insulating themselves from the cold. In Finland the temperature is sometimes -40 centigrade (C). The farmers wear paper boots in the snow. Nothing could be warmer. Each year more and more things are made of paper. We have had paper cups and plates for a long time. But now we hear that chairs, tables and even beds can be made of paper. With paper boots and shoes, you can wear paper hats, paper dresses and paper raincoats. When you have used them away and buy new ones. People have made paper boats, but they haven't made paper planes or cars. Just wait they perhaps will. How much paper does each person use in a year in some countries now?
|
[
"One kilogram",
"Fifteen kilograms",
"Fifty kilograms",
"Forty kilograms"
] |
C
| null |
train
| |
aqua_rat
|
The population of a bacteria culture doubles every 2 minutes. Approximately how many minutes will it take for the population to grow from 1,000 to 100,000 bacteria
|
[
"10",
"12",
"14",
"16"
] |
C
|
The question basically asks how many minutes it takes for a population to increase by factor 100 (100,000 / 1,000 = 100).
Now you know that every two minutes the population doubles, i.e. is multiplied by 2. So the equation becomes:
2^x >= 100, where x represents the number of times the population doubles. A lot of people remember that 2^10 = 1,024. Hence, 2^7 =128, i.e. the population has to double 7 times.
Since it takes the population 2 minutes to double once it takes 7*2 minutes = 14 minutes to double 7 times.
Thus, solution C = 14 is correct.
|
train
| null |
aqua_rat
|
8 couples attend a dance show in a TV channel. A lucky draw in which 4 persons picked up for a prize is held, then the probability that there is at least 1 couple will be selected is :
|
[
"11/31",
"13/37",
"15/39",
"19/51"
] |
C
|
P( selecting atleast one couple) = 1 - P(selecting none of the couples for the prize)
= 15/39
C
|
train
| null |
aqua_rat
|
In an election only two candidates contested. A candidate secured 70% of the valid votes and won by a majority of 172 votes. Find the total number of valid votes?
|
[
"430",
"436",
"439",
"537"
] |
A
|
Let the total number of valid votes be x.
70% of x = 70/100 * x = 7x/10
Number of votes secured by the other candidate = x - 7x/100 = 3x/10
Given, 7x/10 - 3x/10 = 172 => 4x/10 = 172
=> 4x = 1720 => x = 430.
Answer:A
|
train
| null |
med_mcqa
|
In otosclerosis, the tympanogram is:
|
[
"Low compliance",
"High compliance",
"Normal compliance",
"None of the above"
] |
A
|
In otosclerosis - As type curve is seen which is a low compliance curve.
|
train
| null |
med_mcqa
|
A 26-year-old male presented with 4 day history of pain in the right sided lower abdomen with frequent vomiting. Patient's general condition is fair and clinically a tender lump was felt in the right iliac fossa. Most appropriate management for this case would be:
|
[
"Exploratory laparotomy",
"Immediate appendectomy",
"Ochsner-Sherren regimen",
"External drainage"
] |
C
|
Ans. (c) Ochsner-Sherren regimenOchsner-Sherren regimen:* Advised in appendicular mass -- as the inflammatory process is localized with full of adhesions and if we try to remove appendix, we will cause bowel injury and result in enterocutaneous fistula.* This management includes -- nil oral, IV fluids, antibiotics and observation of input, output and abdominal girth chart.* Clinical improvement seen in 24-48 hours.* If there is no improvement take CECT abdomen and if there is abscess drain it radiologically.* Interval appendectomy done after 6 weeks* Criteria to stop Ochsner regimen:* Increasing pulse rate* Increasing abdominal girth chart* Increasing mass size
|
train
| null |
sciq
|
This knocks electrons from atoms and turns them into ions?
|
[
"evaporation",
"radiation",
"chemical reactions",
"convection"
] |
B
|
Long-term or high-dose exposure to radiation can harm both living and nonliving things. Radiation knocks electrons out of atoms and changes them to ions. It also breaks bonds in DNA and other compounds in living things. One source of radiation that is especially dangerous to people is radon. Radon is a radioactive gas that forms in rocks underground. It can seep into basements and get trapped inside buildings. Then it may build up and become harmful to people who breathe it. Long-term exposure to radon can cause lung cancer.
|
train
| null |
mmlu
|
Many people in the world have not seen snow. Some countries never have snow; some have only a little on top of the high mountains. In the north of England, there is quite a lot of snow every winter, but in the south of England, there is usually little. When a student from a warm country comes to England in autumn for the first time, he feels cold at first. There are often clouds, grey sky and cold rain in England in autumn, and most students from warm countries do not like this. But snow is different. It is beautiful. Perhaps, after several mornings, the student wakes up one day, and there is a lot of light in his room. He thinks, "Is it so late?" and jumps out of bed. But no, it is not very late. He looks out of the window and there is snow on the ground and on the houses and everywhere. In the autumn of England, we can often see _ .
|
[
"cold rain",
"grey sky",
"dark clouds",
"all of the above"
] |
D
| null |
train
| |
mmlu
|
Steel cans are separated from aluminum cans in a recycling center. Which of the following is the best way the recycling center can separate the steel cans from the aluminum cans?
|
[
"sort the cans by size",
"put the cans in water",
"cool the cans to a low temperature",
"put the cans under an electromagnet"
] |
D
| null |
train
| |
ai2_arc_ARC-Easy
|
The thin, semi-permeable membrane that encloses a cell allows nutrients to enter and wastes to be
|
[
"digested.",
"recycled.",
"protected.",
"excreted."
] |
D
| null |
train
| null |
ai2_arc_ARC-Challenge
|
The best example of balanced forces is a
|
[
"car increasing speed.",
"bus parked in a garage.",
"ball kicked along a flat surface.",
"roller coaster slowing down on an incline."
] |
B
| null |
train
| null |
sciq
|
Species divergence often, but not always, occurs because of what type of barrier between species?
|
[
"visible",
"emotional",
"physical",
"language"
] |
C
|
Sympatric Speciation Can divergence occur if no physical barriers are in place to separate individuals who continue to live and reproduce in the same habitat? The answer is yes. The process of speciation within the same space is called sympatric speciation; the prefix “sym” means same, so “sympatric” means “same homeland” in contrast to “allopatric” meaning “other homeland. ” A number of mechanisms for sympatric speciation have been proposed and studied. One form of sympatric speciation can begin with a serious chromosomal error during cell division. In a normal cell division event chromosomes replicate, pair up, and then separate so that each new cell has the same number of chromosomes. However, sometimes the pairs separate and the end cell product has too many or too few individual chromosomes in a condition called aneuploidy (Figure 18.14).
|
train
| null |
mmlu
|
Recently a Beijing father sent in a question at an Internet forum asking what "PK" meant. "My family has been watching the 'I Am the Singer' singing competition TV programme. My little daughter asked me what 'PK' meant, but I had no idea," explained the puzzled father. To a lot of Chinese young people who have been playing games online, it is impossible not to know this term. In such Internet games, "PK" is short for "Player Kill", in which two players fight until one ends the life of the other. In the case of the "I Am the Singer" singing competition, "PK" was used to refer to the stage where two singers have to compete with each other for only one chance to go up in competition raking. Like this father, Chinese teachers at Middle schools have also been finding their students using _ which are difficult to understand. A teacher from Tianjin asked her students to write the compositions with simple language, but they came up with a lot of Internet jargons that she didn't understand. "My 'GG' came back this summer from college. He told me I've grown up to be a 'PLMM'. I loved to 'FB' with him together; he always took me to the 'KPM'," went one composition. "GG" means Ge Ge (Chinese pinyin for brother). "PLMM" is Piao Liang Mei Mei (beautiful girl)."FB" means Fu Bai (corruption)."KPM" is short for KFC, Pizza Hut and McDonald's. Some specialists welcome Internet jargons as a new development in language. If you do not even know what a Kong Long (dinosaur, meaning an ugly looking femal) or a Qing Wa (frog, meaning an ugly looking male ) is, you will possibly be regarded as a CaiNiao! What does the writer think about the word "PK"?
|
[
"Fathers can't possibly know it.",
"The daughter should understand it.",
"Online game players may know it.",
"\"I Am the Singer\" shouldn't have used it."
] |
C
| null |
train
| |
med_mcqa
|
Vocal cord palsy is not associated with:
|
[
"Veebral secondaries",
"Left atrial enlargement",
"Bronchogenic carcinoma",
"Secondaries in mediastinum"
] |
A
|
Vocal cord paralysis is most commonly iatrogenic in origin following surgery to Thyroid, parathyroid, carotid or cardiothoracic structures. Neck trauma Benign or malignant thyroid disease Thyroid surgery Carcinoma cervical oesophagus Cervical lymphadenopathy
|
train
| null |
sciq
|
What is the skin of most reptiles covered with?
|
[
"pores",
"hairs",
"scales",
"cuticle"
] |
C
|
Reptiles have several adaptations for living on dry land that amphibians lack. For example, as shown in Figure below , the skin of most reptiles is covered with scales. The scales are made of very tough keratin, and they protect reptiles from injury, and also prevent them from losing water.
|
train
| null |
sciq
|
What is the plane that divides the body or an organ vertically into right and left sides?
|
[
"parasagittal plane",
"anatomical plane",
"median plane",
"sagittal plane"
] |
D
|
• The sagittal plane is the plane that divides the body or an organ vertically into right and left sides. If this vertical plane runs directly down the middle of the body, it is called the midsagittal or median plane. If it divides the body into unequal right and left sides, it is called a parasagittal plane or less commonly a longitudinal section. • The frontal plane is the plane that divides the body or an organ into an anterior (front) portion and a posterior (rear) portion. The frontal plane is often referred to as a coronal plane. (“Corona” is Latin for “crown. ”) • The transverse plane is the plane that divides the body or organ horizontally into upper and lower portions. Transverse planes produce images referred to as cross sections.
|
train
| null |
sciq
|
The right side of the heart collects what type of blood from the body?
|
[
"potassium-rich",
"dioxide-poor",
"oxygen-poor",
"oxygen-rich"
] |
C
|
Blood flows through the heart in two separate loops. You can think of them as a “left side loop” and a “right side loop. ” The right side of the heart collects oxygen-poor blood from the body and pumps it into the lungs, where it releases carbon dioxide and picks up oxygen. The left side carries the oxygen-rich blood back from the lungs into the left side of the heart, which then pumps the oxygen-rich blood to the rest of the body. The blood delivers oxygen to the cells of the body and returns to the heart oxygen-poor.
|
train
| null |
sciq
|
What hypothetical link between development of herbivores and plant defenses is observed in nature, for instance in seeds that are unsavory to animals?
|
[
"interconnection",
"abjection",
"coevolution",
"natural selection"
] |
C
|
Animals and Plants: Herbivory Coevolution of flowering plants and insects is a hypothesis that has received much attention and support, especially because both angiosperms and insects diversified at about the same time in the middle Mesozoic. Many authors have attributed the diversity of plants and insects to pollination and herbivory, or consumption of plants by insects and other animals. This is believed to have been as much a driving force as pollination. Coevolution of herbivores and plant defenses is observed in nature. Unlike animals, most plants cannot outrun predators or use mimicry to hide from hungry animals. A sort of arms race exists between plants and herbivores. To “combat” herbivores, some plant seeds—such as acorn and unripened persimmon—are high in alkaloids and therefore unsavory to some animals. Other plants are protected by bark, although some animals developed specialized mouth pieces to tear and chew vegetal material. Spines and thorns (Figure 26.18) deter most animals, except for mammals with thick fur, and some birds have specialized beaks to get past such defenses.
|
train
| null |
aqua_rat
|
If 8 gallons of gasoline are added to a tank that is already filled to 3/4 of its capacity, the tank is then filled to 9/10 of its capacity. How many gallons does the tank hold?
|
[
" 24",
" 36",
" 48",
" 60"
] |
C
|
Let the Capacity of the tank=C
(3/4)C + 8 = (9/10)C
=>(9/10)C - (3/4)C = 8
=>(3/20)C = 8
=>C = (8*20)/3 = 53.33
Number of gallons of gasoline that the tank currently holds = 3/4*C +8 = 39.99+8 = 47.99=48
Answer D
|
train
| null |
mmlu
|
Different people have different skin colours. Some have black skin, some have yellow skin, and some have white skin. There was a woman in Alaska. Her skin was orange in colour. It was almost the colour of orange juice. How did this woman become orange? She ate lots of tomatoes, carrots and pumpkins. She ate too many orange things. That's why she turned orange. The woman didn't want to be orange. She went to the doctor. The doctor said,"Stop eating orange things. Eat some green things." The woman did so, and she wasn't orange any more. The doctor told her _ .
|
[
"to eat orange things",
"to drink orange juice",
"not to buy any orange vegetable",
"to have some green food"
] |
D
| null |
train
| |
aqua_rat
|
How many positive integers less than 100 are neither multiples of 2 or 3?
|
[
"31",
"32",
"33",
"34"
] |
C
|
1) multiples of 2 till 100 = 100/2 = 50
2) multiples of 3 till 100 = 100/3 = 33.33= 33
add the two 50+33=83 ;
subtract common terms that are multiple of both 2 and 3..
LCM of 2 and 3 = 6
Multiples of 6 till 100 = 100/6 = 16.66 = 16
so total multiples of 2 and 3 = 83-16 = 67
100-67 = 33
Answer : D
|
train
| null |
ai2_arc_ARC-Challenge
|
A student compared the speeds at which a large and a small marble rolled down an inclined plane. In order to make the findings more reliable, the student should
|
[
"release the marbles at different heights.",
"repeat the experiment several times.",
"tilt the plane at different angles.",
"use two marbles that are the same size."
] |
B
| null |
train
| null |
aqua_rat
|
A secret can be told only 2 persons in 5 minutes .the same person tells to 2 more persons and so on . How long will take to tell it to 768 persons ?
|
[
"25 min",
"32 min",
"33 min",
"35 min"
] |
D
|
at start one person will tell to 2 persons, it will take 5 min, now that 1+2 = 3 persons will tell this to next 6 persons, then 1+2+6 = 9 persons will tell to next 18 persons, then 1+2+6+18 = 27 persons to 54 similarly 1+2+6+18+54 = 81 persons will tell this to 162 persons similarly 1+2+6+18+54+162 = 243 persons will tell this to 486 persons, upto this step total persons who have listened this secret = 2+6+18+54+162+486 = 728, and total time taken upto this step = 5*6 = 30 min, now next 5 min will be sufficient to tell this message to next 40 persons so total time taken = 35 min
ANSWER:E
|
train
| null |
med_mcqa
|
Non-sterile hypopyon is seen in ?
|
[
"Pneumococcus infection",
"Pseudomonas infection",
"Fungal infection",
"Gonococcal infection"
] |
C
|
Ans. is 'c' i.e., Fungal infection Hypopyon refers to accumulation ofpolymorphonuclear leucocytes in the lower angle of anterior chamber. Many pyogenic organisms (Staphylococcus, streptococci, gonococci, Moraxella) and fungi may produce hypopyon but by far the most dangerous are pseudomonas pyogenea and pneumococcus. Thus, any corneal ulcer may be associated with hypopyon, however, it is customary to reserve the term 'hypopyon corneal ulcer' for the characteristic ulcer caused by pneumococcus and the term 'corneal ulcer with hypopyon' for the ulcers associated with hypopyon due to other causes. The characteristic hypopyon corneal ulcer caused by pneumococcus is called "ulcus serpens" . It is woh noting that the hypopyon in bacterial causes is sterile since the outpouring of polymorphonuclear cells is due to toxin and not due to actual invasion by bacteria. On the other hand, hypopyon in fungal (mycotic) corneal ulcer is non-sterile as there is direct invasion by fungi.
|
train
| null |
mmlu
|
How do you know if your home is an easy aim for thefts? Around the holidays, many families don't consider taking proper measures to prevent their homes from suffering holiday thefts. With just a few simple steps, you can better make sure of the safety of your home during all of the holiday celebrations. Here are a few tips for making it difficult to tell you are away from home. *Either have a trusted neighbor pick up your mail and newspapers, or tell your mailperson to hold your mail until you return. Nothing says "Hey, we are not home!" like when your postbox is filled with all kinds of mails and you have many different newspapers in your driveway. * Set several different lights in your house on random timers . Don't leave your outdoor lights on all the time.Instead, put your outside light on timers to be on during the nights. If an outdoor light remains on for days at a time, it means that nobody is home to turn it off. * If you have pets that you are not taking with you on vacation, leave them with friend, rather than having someone come into your house every day to take care of them, When thefts see a neighbor or friend entering your house every day, they will know you are not home. * Close all your curtains when you leave town. This is effective to _ possible thefts, as no one can see what is in your house. If they don't know what there is to take, then the risk is even greater for them to break in. *This article just has suggested a few tips to help you keep your house safe on holiday.Nothing can truly protect your home unless you have it monitored by a professional home security system. To make your home well protected, what does the writer advise you to do?
|
[
"Equip your home with security system.",
"Stop your mail service at once.",
"Turn to your close neighbors or friends",
"Have all the curtains closed."
] |
A
| null |
train
| |
m1_preference_data
|
Tick the \emph{false} assertion. Given a ring $R$, $R^\star$ is\ldots
|
[
"a group.",
"the set of invertible elements in $R$.",
"$R-\\{0\\}$.",
"the set of units."
] |
C
| null |
train
| null |
ai2_arc_ARC-Easy
|
Corals are animals that live in tropical oceans. Fossils of corals are found in Ohio. What does the presence of coral fossils suggest about how the environment of Ohio has changed over time?
|
[
"Ohio was once covered by warm seas.",
"A large glacier once passed over Ohio.",
"The average rainfall in Ohio is now much more than it once was.",
"The average temperature in Ohio is now much warmer than it."
] |
A
| null |
train
| null |
m1_preference_data
|
Select \emph{incorrect} statement. Brithday paradox
|
[
"is a brute force technique.",
"can be implemented with constant memory using Rho ($\\rho$) method.",
"is used to recover the secret key of AES in $2^{64}$ computations.",
"can be implemented using a table of size $\\Theta\\sqrt{N}$"
] |
C
| null |
train
| null |
sciq
|
These vacuoles take water from the cytoplasm and excrete it from the cell to avoid bursting due to what?
|
[
"apoptotic pressure",
"static pressure",
"impervious pressure",
"osmotic pressure"
] |
D
|
Vacuoles are membrane-bound organelles that can have secretory, excretory, and storage functions. Vacuoles are usually much larger than vesicles. Many organisms will use vacuoles as storage areas and some plant cells have very large vacuoles. The large central vacuole of the plant cell is used for osmotic control (storage of water) and nutrient storage. Contractile vacuoles are found in certain protists. These vacuoles take water from the cytoplasm and excrete it from the cell to avoid bursting due to osmotic pressure.
|
train
| null |
aqua_rat
|
There are 18 stations between Hyderabad and Bangalore. How many second class tickets have to be printed, so that a passenger can travel from any station to any other station?
|
[
"987",
"177",
"267",
"380"
] |
D
|
The total number of stations = 20
From 20 stations we have to choose any two stations and the direction of travel (i.e., Hyderabad to Bangalore is different from Bangalore to Hyderabad) in ²⁰P₂ ways.
²⁰P₂ = 20 * 19
= 380.
Answer:E
|
train
| null |
aqua_rat
|
A photography dealer ordered 72 Model X cameras to be sold for $250 each, which represents a 20 percent markup over the dealer’s initial cost for each camera. Of the cameras ordered, 6 were never sold and were returned to the manufacturer for a refund of 50 percent of the dealer's initial cost. What was the dealer's approximate profit or loss as a percent of the dealer’s initial cost for the 72 cameras?
|
[
"13% loss",
"7% profit",
"14% profit",
"15% profit"
] |
C
|
Total cost 72*($250/1.2)=60*250;
# of cameras sold is 72-6=66 total revenue is 66*250;
# of cameras returned is 6 total refund 6*(250/1.2)*0.5;
So, total income 66*250+ 6*(250/1.2)*0.5
The dealer's approximate profit is (66*250+ 6*(250/1.2)*0.5-60*250)/(60*250)*100=14%
Answer: D.
|
train
| null |
m1_preference_data
|
Which problem in communication is \emph{not} treated by cryptography?
|
[
"confidentiality",
"integrity",
"authenthication",
"data transmission"
] |
D
| null |
train
| null |
med_mcqa
|
Which of the following is/are not the features of Henoch-Schonlein purpura (HSP)?
|
[
"Abdominal pain",
"Splinter hemorrhage",
"Thrombocytopenia",
"Epistaxis"
] |
C
|
c. Thrombocytopenia(Ref: Nelson's 20/e p 1612, Ghai 8/e p 632)HSP is characterized by a tetrad of palpable purpura, arthritis, glomerulonephritis and abdominal painLess common skin lesions are macules, vesicles, bullous lesions, splinter hemorrhage and ulcerations; Rarely, epistaxis may occur.
|
train
| null |
med_mcqa
|
Poal Vein develops from which of these structures?
|
[
"A",
"B",
"C",
"D"
] |
C
|
The image shows vitelline and umbilical veins development during liver development. A = Cardinal vein right side B = Left umbilical vein C = Right Vitelline vein D = Right Umbilical vein The inferior tubular structure is the duodenum and the anastomotic network of vitelline veins around it will develop to form the poal vein. Right vitelline vein forms right Hepatocardiac channel, which contributes to the hepatic poion of IVC Right umbilical vein regresses Proximal left umbilical vein regresses Distal left umbilical vein persists and forms the round ligament of liver Ductus venosus forms ligamentum venosum
|
train
| null |
ai2_arc_ARC-Easy
|
During a rainstorm, leaves wash down a gully on a hillside. The water slows down at the foot of the hill and fans out, depositing the leaves. What geologic structure is formed in a similar way?
|
[
"a basalt column",
"a stalactite",
"a fault line",
"a delta"
] |
D
| null |
train
| null |
med_mcqa
|
A 64-year-old man undergoes CEA surveillance for cancer, because his brother and father both had colon cancer. What information should he be provided?
|
[
"CEA is highly sensitive for diagnosis.",
"If CEA is elevated preoperatively, it implies unresectable disease.",
"Increases in CEA after resection may indicate tumor recurrence.",
"CEA is highly specific for the presence of colon cancer."
] |
C
|
CEA is useful in the follow-up care of patients with colon carcinoma after resection. The levels of this antigen usually come to normal after complete resection of the tumor. A subsequent elevation may suggest a recurrence of the tumor either at the resection margin or at distant sites. The sensitivity and specificity of CEA for diagnosis of colon carcinoma is poor. It has no implications for respectability of the lesion.
|
train
| null |
aqua_rat
|
If 10! × 10!/10^n is an integer, what is the largest possible value of n?
|
[
"20",
"16",
"4",
"1"
] |
C
|
10! × 10!/10^n is an integer.
Or 10! × 10!/(1^2n*5^n)
This means we need to find the power of 5 in the numerator. We can safely say that the number of powers of 5 will be lower than the number of powers of 4 in the numerator.
Largest power of 5 in 10! = [10/5] + [10/25] = 2
Since there are 2 20!'s, power of 2 in the numerator = 2*2 = 4
Hence the largest value of b for which 10! × 10!/10^n is integer = 4
Correct Option : D
|
train
| null |
sciq
|
The hemisphere that is tilted away from the sun is cooler because it receives less what?
|
[
"x-rays",
"pollution",
"direct electrons",
"direct rays"
] |
D
|
The hemisphere that is tilted away from the Sun is cooler because it receives less direct rays. As Earth orbits the Sun, the Northern Hemisphere goes from winter to spring, then summer and fall. The Southern Hemisphere does the opposite from summer to fall to winter to spring. When it is winter in the Northern hemisphere, it is summer in the Southern hemisphere, and vice versa.
|
train
| null |
mmlu
|
Just put your special clothes on in the morning and you could jump 3 meters into the air and even carry more than 60 kilograms without getting tired. The walk to school would be very, very easy. Such _ clothing is one of the products that could be created using "wearable robotics" technology. Designed to improve a person's senses and skills, the device could be as simple as a hearing aid. Or it could be a full-body suit that senses what you're going to do, then helps you do it better. "A superman suit would be the final result in wearable robot i cs ",s a id Francois Pin, head of robotics and energy systems at the Oak Ridge National Laboratory , US. While these suits are at least ten years away, in some areas the technology is already in use. Researchers are developing artificial- arms and legs that allow old,disabled or injured people to move freely. Thus US Army is interested in using wearable robot legs to help soldiers run faster, carry more equipment and be stronger in battle. Jobs that involve lifting heavy loads or saving lives from the rubble of an earthquake could also become much easier. A robot is a device that responds to a command. You're probably with simple robots, such as toy cars or airplanes that respond to buttons you push on a remote control. Wearable robotics goes further. Instead of just receiving information through a wire or remotecontrol- the robotic device can send information back to its controller. Suppose you wore a sleeve that has sensors where your joints are. Every time you move your arm, the sleeve senses your movements and sends the information to a robot, which then moves its arm just as you did. When the robot hits or touches something, it sends a signal back to the sleeve and you sense the action. In this way,scientists are working to wrap the robot around the person. Their goal is to make the sleeve, shoe or suit help you do what you want to do. Products resulting from this wearable robotics technology do not include _ .
|
[
"remote controls",
"hearing aids",
"wearable robot legs",
"superman suits"
] |
B
| null |
train
| |
med_mcqa
|
Which one of the following enzymes is predominantly mitochondrial?
|
[
"SGOT",
"SGPT",
"GGT",
"5' nucleotidase"
] |
A
|
Ans. is 'a' i.e., SGOT* Serum Glutamate Pyruvate Transaminase (SGPT) or Alanine Transaminase (ALT) and Serum Glutamate Oxaloacetate Transaminase (SGOT) or Aspartate Transaminase (AST) are sensitive markers of hepatocellular injury. As estimating bilirubin is a measure of functional ability of liver, it takes some time for the levels of bilirubin to increase. Enzyme levels rapidly rise because any damaged hepatocyte's membrane permeability is increased.* ALT or SGPT is purely a cytoplasmic enzyme, whereas AST or SGOT is present in both cytoplasm and mitochondria. The cytoplasmic isoform of the enzyme ASTI is derived from RBC and Heart. The mitochondrial isoform of the enzyme AST2 is derived from liver.* Hence following hepatocellular injury, the cytoplasmic enzyme ALT level rises faster (Normal level of ALT is <34 IU/L in females and <52 in males) than AST (Normal level of AST is (6 to 34IU/L in females and 8 to 40 IU/L in males). Thus AST is neither a sensitive nor a specific marker of hepatocellular damage (Not specific because it is expressed by heart as well and hence levels are elevated even after myocardial damage)* Generally when AST and ALT are elevated, AST/ALT ratio will be less than 2. If it is more than 2 it is suggestive of mitochondrial damage like alcoholic hepatitis or toxic liver injury* 5'-nucleotidase is an enzyme which catalyzes the phosphorylytic cleavage of 5'nucleotides. There are membrane bound forms and soluble forms. Membrane bound forms are GPI anchored to the cell membrane. Soluble forms are in cytoplasm. Following biliary obstruction, the bile stays in the intrahepatic biliary canaliculi. Tijs causes dissolution of liver parenchymal cell membrane and the cell bound membranes get released into circulation through hepatic sinusoids. Hence 5' nucleotidase level in circulation increases following bile duct obstruction. So, levels of 5' nucleotidase elevation along with elevation of Alkaline phosphatase confirms that the elevation of ALP is of hepatic origin (BILIARY DUCT OBSTRUCTION) not osseous (AS ALP LEVEL IS ALSO INCTREASED IN BONE RELATED CONDITIONS WITH ELEVATED OSTEOBLASTIC ACTIVITY)* Same is the case with Gamma Glutamyl Transferase. It is involved in liver conjugation reactions and absorption of neutral aminoacid along intestinal membranes. This enzyme is also a membrane bound enzyme. Hence levels are elevated following duct obstruction. But as the enzyme is involved in detoxification reactions, the enzyme gets induced by alcohol. Hence levels of GGT is high after intake of alcohol. Isolated elevation of GGT is suggestive of alcoholism. If GGT elevation is accompanied by an elevation of ALP and 5; nucleotidase, it is obstruction.
|
train
| null |
med_mcqa
|
Cardiac output varies under different physiological conditions. It is decreased by?
|
[
"Increased hea rate",
"Decreased hea rate",
"Increased stroke volume",
"None of the above"
] |
B
|
Cardiac output is the product of the hea rate and stroke volume (CO = HR x SV). Therefore, cardiac output decreases by bradycardia. Ref: Mohrman D.E., Heller L.J. (2010). Chapter 3. The Hea Pump. In D.E. Mohrman, L.J. Heller (Eds), Cardiovascular Physiology, 7e.
|
train
| null |
med_mcqa
|
Serotonin is secreted by:
|
[
"Thyroid",
"Adrenal coex",
"Adrenal medulla",
"Argentaffin cells"
] |
D
|
Serotonin is a vasoconstricting hormone, produced in the brain and GI tract. In the GI tract it is produced normally by enterochromaffin cells (argentaffin cells). The principal function is to regulate smooth muscle contraction and peristalsis. Serotonin: also called 5-hydroxytryptamine, is a chemical substance that is derived from the amino acid tryptophan. Principally found stored in three main cell types; (a) Serotonergic neurons in the CNS and in the intestinal myenteric plexus, (b) Enterochromaffin cells in the mucosa of the gastrointestinal tract and (c) Blood platelets Synthesis: Serotonergic neurons and enterochromaffin cells can synthesize serotonin from its precursor amino acid L-tryptophan, whereas platelets rely upon uptake of serotonin for their stores. The biochemical pathway for serotonin synthesis initially involves the conversion of L-tryptophan to 5-hydroxytryptophan by the enzyme L-tryptophan hydroxylase. This enzyme provides the rate limiting step for serotonin synthesis. Metabolism of serotonin is carried out primarily by the enzyme monoamine oxidase (MAO), The action of MAO conves serotonin to 5-hydroxyindole acetaldehyde which in turn is readily metabolized by aldehyde dehydrogenase to produce 5-hydroxyindole acetic acid as the major excreted metabolite of serotonin. Carcinoid syndrome: are neuroendocrine tumours (NETs) of predominantly enterochromaffin cell origin (Kulchitsky cells).Carcinoid syndrome is made up of a constellation of symptoms which are caused by the release of a variety of substances (serotonin, histamine, and substance P, among others) by the carcinoid tumor. It may cause trytophan deficiency and causes decrease in niacin synthesis leading to pellagra. Ref: Principles of medical physiology, By Sabyasachi Sicar, Page 641.
|
train
| null |
aqua_rat
|
6% of customers that enter a store on any given day must not pay tax. If 1000 people shop every day, how many people pay taxes in the store every week
|
[
"6500",
"6580",
"7200",
"7120"
] |
B
|
6% of customers do not pay taxes.
6/100 * 1000 customers do not pay taxes.
6/100 * 1000 = 60
Therefore 1000 - 60 customers do pay taxes.
1000 - 60 = 940
940 * 7 days per week = 6580
B)
|
train
| null |
med_mcqa
|
Location of carotid sinus is:
|
[
"At the termination of CCA",
"Behind the bifurcation of CCA",
"At the beginning of ICA",
"Both 1 and 3"
] |
D
|
Carotid sinus:
It is a fusiform dilatation at the terminal end of common carotid artery or at the beginning of internal carotid artery.
It has rich innervation from glossopharyngeal, vagus, and sympathetic nerves.
The carotid sinus acts as a baroreceptor (pressure receptor) and regulates the blood pressure in the cerebral arteries.
Key Concept:
Carotid sinus is a fusiform dilatation at the terminal end of common carotid artery or at the beginning of internal carotid artery.
|
train
| null |
ai2_arc_ARC-Challenge
|
What is the best measure to use in determining the effect of solar energy on Earth's atmosphere?
|
[
"the temperature of the air",
"the temperature of the ocean",
"the density of clouds in the sky",
"the amount of rainfall on a rainy day"
] |
A
| null |
train
| null |
ai2_arc_ARC-Easy
|
Students are learning about the natural resources in Maryland. One group of students researches information about renewable natural resources in the state. The other group researches information about nonrenewable natural resources in the state. The resources the students investigate include plants, animals, soil, minerals, water, coal, and oil. Which nonrenewable natural resource heats homes?
|
[
"sunlight",
"aluminum",
"natural gas",
"ocean waves"
] |
C
| null |
train
| null |
sciq
|
What of a electromagnetic wave can be calculated using the wave equation due to their speed always being constant?
|
[
"oscillation",
"sound",
"resonance",
"frequency"
] |
D
|
Green light has a higher frequency than microwaves. It is possible to calculate it, but since the speed of an electromagnetic wave is constant we know that waves with higher wavelengths must have a lower frequency based on the wave equation.
|
train
| null |
ai2_arc_ARC-Challenge
|
Which mass is undergoing the greatest amount of acceleration?
|
[
"1 kg subjected to a force of 1 N",
"1 kg subjected to a force of 100 N",
"100 kg subjected to a force of 1 N",
"100 kg subjected to a force of 100 N"
] |
B
| null |
train
| null |
m1_preference_data
|
Using a block cipher, we can build \ldots
|
[
"only hash functions.",
"only MACs.",
"only hash functions and MACs.",
"hash functions, MACs, and stream ciphers."
] |
D
| null |
train
| null |
sciq
|
In single-celled organisms, plasma membrane extensions, such as whip-like flagella or brush-like cilia, aid in what?
|
[
"pressure",
"sensation",
"sound",
"movement"
] |
D
|
The plasma membrane may have extensions, such as whip-like flagella or brush-like cilia. In single-celled organisms, like those shown in Figure below , the membrane extensions may help the organisms move. In multicellular organisms, the extensions have other functions. For example, the cilia on human lung cells sweep foreign particles and mucus toward the mouth and nose.
|
train
| null |
med_mcqa
|
A Patient is made to walk early after Surgery. This is for: March 2005
|
[
"Treating the patient",
"Reducing disability",
"Specific protection",
"Rehabilitation"
] |
D
|
Ans. D: Rehabilitation Medical rehabilitation is done for restoration of functions which aims at training and retraining the individual to the highest possible level of functional ability.
|
train
| null |
ai2_arc_ARC-Easy
|
Who was the first person to base a system of classification on organisms having similar structures?
|
[
"Aristotle",
"Darwin",
"Einstein",
"Linnaeus"
] |
D
| null |
train
| null |
sciq
|
Low-level exposure of humans to radiation can cause what?
|
[
"bleeding",
"cancer",
"illness",
"coughing"
] |
B
|
We can see two general types of effects when humans are exposed to radiation. Low-level exposure can lead to development of cancer. The regulatory processes regulating cell growth are disrupted, leading to uncontrolled growth of abnormal cells. Acute exposure can produce nausea, weakness, skin burns, and internal tissue damage. Cancer patients receiving radiation therapy experience these symptoms, but the radiation is targeted to a specific site in the body so that the damage is primarily to the cancer cells and the patient is able to recover from the exposure.
|
train
| null |
med_mcqa
|
Which is the most common cause of bowel obstruction
|
[
"Hernia",
"Ulcers causing obstruction",
"Adhesions",
"Structure"
] |
C
|
Adhesion will cause dynamic bowel obstruction
|
train
| null |
ai2_arc_ARC-Easy
|
A science class investigated the percentage of corn kernels that pop in bags of different brands of popcorn. Fifteen students tested three brands of popcorn each and reported their results to the class. Why did the teacher most likely have so many students report the results?
|
[
"for more accurate results",
"for more student participation",
"to help simplify the procedure",
"to help explain the hypothesis"
] |
A
| null |
train
| null |
mmlu
|
My favourite shop is called' Model World'. It is on the second floor of Happy Plaza, near to Pizza Club. It is open from 10 a.m. to 8 p.m. every day. Model World' sells all kinds of models. It has model soldiers, cars, boats, airplanes, space shuttles and even dinosaurs. It has models for young children and models for adults . Some models have just about twenty pieces, and others have over 2,000 pieces. You can also buy paints and glue and other things there. The staff at ' Model World' is very nice. They are very interested in making models. They will give you advice, and answer all of your questions. The prices are not low but they are not high. My best buy was a model of a helicopter. It cost $ 30 but it had over 400 pieces. It was really fun to make. If you are interested in models, you should visit this shop. The staff in the shop is very _ .
|
[
"experienced",
"helpful",
"young",
"strict"
] |
B
| null |
train
| |
med_mcqa
|
Open wound is a :
|
[
"Contussion",
"Abrasion",
"Laceretion",
"Concussion"
] |
C
|
C i.e. Laceration
|
train
| null |
aqua_rat
|
In a forest 10 rabbits were caught, tagged with electronic markers, then released. A month later, 10 rabbits were captured in the same forest. Of these 10 rabbits, it was found that 2 had been tagged with the electronic markers. If the percentage of tagged rabbits in the second sample approximates the percentage of tagged rabbits in the forest, and if no rabbits had either left or entered the forest over the preceding month, what is the approximate number of rabbits in the forest?
|
[
"70",
"50",
"1,500",
"500"
] |
B
|
Given that 10 rabbits were caught and tagged in the first sample, and 10 were caught in the second sample of which 2 had tags, then 2/10 approximates the fraction of the population of tagged rabbits in the forest.
Proportion: A/x = C/D
A = rabbits tagged first sample
C/D = the fraction of the population of tagged rabbits in the forest
x = the population of rabbits in the forest
Proportion: 10/x = 1/5
x = (1)(10)(5) = 50. There are approximately 50 rabbits in the forest.
Answer is C
|
train
| null |
med_mcqa
|
A patient present with vomiting he had eaten rice 6 hour before. The most probable cause is:
|
[
"Bacillus cereus",
"Staph. aureus",
"Cl. difficle",
"All"
] |
A
|
Ans. (a) Bacillus cereus This is a characteristic presentation of B.cereus food poisoning (emetic type). Bacillus cereus food poisoning Produces two type of food poisoning: a. Emetic type:- It is associated with contaminated frid rice; the organism is common in uncooked rice, and its heat-resistant spores survive boiling. It is mediated by staphylococcal type of enterotoxin. b. Diarrheal type:- Mediated by enterotoxin resembling E. coli. IP of diarrheal type is more in comparison to emetic type Diagnosis: The presence of B cereus in patient's stool is not sufficient to make a diagnosis of B cereus disease, since the bacteria may be seen in normal stool specimens; a concentration of 105 bacteria or more per gram of food is considered diagnostic.
|
train
| null |
mmlu
|
It was a wet, rainy day during the school holidays. Lily looked out of the window and thought about her parents. They were on a long holiday. They said Lily was too young to go. So Lily was staying with her Aunt Bella. Today Lily was unhappy. She was all alone --Aunt Bella was out shopping. Lily decided to go to the top floor. Maybe there was something interesting. She arrived at the top. There was an old door. Lily opened the door and walked in. The walls were changing colours. A sofa wasn't on the floor! It was in the air. Suddenly she heard a sound "Whoooosh" and after a minute she saw a boy appear . "Hi," he said. "I am the genie . Who are you?" "I'm Lily," she answered, "but you don't look like a genie." The boy looked at her. He said, "Hocuspocusinversus!" And then suddenly Lily was in the air. "OK! I believe you," she shouted. "Get me down!" "So, how many wishes do you want?" the boy said. Then she told the cool genie she was lonely. She told him about having no friends. The cool genie just nodded his head . When Lily finished her story, she felt better. The genie said, "Well, I must go now!" Then suddenly he was gone. Lily went downstairs and found a postcard from her parents. It said, "Dear Lily. Miss you, back next week, love Mom and Dad." Then the front door opened and she heard Aunt Bella arriving with her shopping. The next day Lily decided to say "Thank you" to the genie. She went to the top floor and opened the door. But there was nothing there except a dark old room with a few boxes. When would Lily's parents come back?
|
[
"Next week.",
"That afternoon.",
"Next year.",
"That week."
] |
A
| null |
train
| |
ai2_arc_ARC-Easy
|
Why are most fossils found in sedimentary rocks?
|
[
"Sedimentary rocks are not very old.",
"Organisms live only in areas with sedimentary rock.",
"Organisms can be preserved in sedimentary rock.",
"Sedimentary rocks are found only at the surface of the ground."
] |
C
| null |
train
| null |
ai2_arc_ARC-Easy
|
A factory in Japan had been dumping mercury into Minamata Bay. Certain microorganisms in the water were able to change the mercury into a form that the plankton could use. Which most likely happened next?
|
[
"The organisms built up a resistance to the mercury.",
"The mercury passed through the food chain.",
"The plankton made the mercury safe.",
"The fish would not eat the plankton."
] |
B
| null |
train
| null |
mmlu
|
While traveling satisfies different needs of various types of people, most serious adventurers hope to make some connections while they're experiencing another culture. Discovering another way of life is fascinating, and leads to a deeper understanding of one's own culture as well. However, it can be difficult to get to know people and customs if one's trip is spent at a hotel. A better choice for gaining insight into the culture of a country is couchsurfing. Couchsurfing is free, and guarantees a close encounter of some sort, as it allows you to stay on a local's couch or in a guest room. Travelers can look up couchsurfing opportunities on Couchsurfing.com, where hosts and surfers can connect, create and view profiles, and exchange information. "Meeting their friends, seeing how they function and seeing how people were actually living are so personal. I really like the opportunity to gain a pure knowledge of someone's life," says Meghan Sinnott, who recently couchsurfed in Denmark, Holland, and Sweden. The formal Couchsurfing Project has been around for a while. It was started in 1999 by Casey Fenton, who was on a cheap trip to Iceland from Boston. Finding himself without a place to stay, he e-mailed more than a thousand students at the University of Iceland and got more than 50 responses offering him a free couch. When he returned to his hometown Boston, he decided to turn the experience into a website-based network, which was created in 2004. While some travelers might be afraid of the idea of sleeping on a previously unseen couch or getting a cup of coffee with a complete stranger halfway across the country, others jump at the chance to walk into the unknown. And that tells us exactly what couchsurfing is all about--learning about the world and a stranger at a time. Which of the following best describes the author's attitude towards couchsurfing?
|
[
"Uninterested.",
"Supportive.",
"Doubtful.",
"Disapproving."
] |
B
| null |
train
| |
ai2_arc_ARC-Challenge
|
The following mathematical expressions represent four different concentrations of a chemical solution to be used in a science experiment. Which one is equal in magnitude to 1/1000?
|
[
"1.0 x 10^3",
"1.0 x 10^4",
"1.0 x 10^-3",
"1.0 x 10^-4"
] |
C
| null |
train
| null |
mmlu
|
What do you do if you don't get into your first choice of university? That's the dilemma that faces thousands of British students every year. Many candidates turn to Clearing, the service that helps find university places for students at the last moment. If they don't have the marks to get into their first choice of institution, Clearing tells them about places available at other universities, though they might have to read another subject. But this year has seen a record number of people applying to university. This, combined with the weak economy, an uncertain job market and budget cuts at universities, means that _ than usual. Some sources say six students have applied for each remaining undergraduate university place. The British university admissions service, UCAS, says up to a quarter of this year's university applicants --- almost 190,000 people --- still don't have a place on a degree course. That's a rise of over 46,000 students from last year. Faced with these figures, some British students might be thinking of an interesting alternative: studying abroad. The University of Nottingham, for example,is offering places at its campuses in Ningbo, near Shanghai, and Kuala Lumpur, Malaysia. Students here can gain University of Nottingham degrees in business, accounting, engineering and English. Similarly, the University of Bolton says it has 'unlimited' places at its campus in the United Arab Emirates. Given the problems getting into university, the UK's Higher Education Minister, David Willetts, encourages students who haven't made the grade to consider alternatives to university, such as apprenticeships and studying at home. "There are a range of options available," he says. "People are able to reapply. They should think how they can spend their year adding that bit to their CV, which would help their application --- getting practical work experience or extra skills --- anything that strengthens their chances next year." But some experts say that rising university costs, poor long-term job prospects, and a drop in graduate recruitment mean it's the worst time to be a university student in the UK. When the author says this year "there's been more of a scramble for places" (Para. 3), he means _ .
|
[
"more people have applied to university",
"there is more competition between the candidates",
"there are more services that help find university places",
"more places are available"
] |
B
| null |
train
| |
mmlu
|
Kate lives in London with her parents. She is a schoolgirl. Today is Kate's birthday and she's fifteen years old. Her father's name is Smith. He works in a hospital. People think he is a good doctor. Kate's mother is a nurse. She is a very good nurse. Kate has two brothers and a sister, and they study in China. Her elder brother speaks Chinese very well and has many friends there. He is a college student. But her younger brother and sister are middle-school students. Both of them are studying Chinese very hard and want to be teachers of Chinese in their country . Today Kate is _ .
|
[
"fifteen",
"sixteen",
"seventeen",
"eighteen"
] |
A
| null |
train
| |
med_mcqa
|
Subglottic stenosis in term infants is a subglottic diameter of less than:
|
[
"2 mm",
"3 mm",
"4 mm",
"5 mm"
] |
C
|
A subglottic diameter of less than or equal to 4 mm in a full-term neonate is considered to be abnormal.
|
train
| null |
mmlu
|
Inhaling O2 is a requirement of all
|
[
"buried animals",
"living animals",
"stuffed animals",
"rocks"
] |
B
| null |
train
| |
mmlu
|
I came to live here where I am now between Wounded Knee Greek and Grass Greek. Others came too, and we made these little grey houses of logs that you see, and they are square. It is a bad way to live, for there can be no power in a square. You have noticed that everything an Indian does is in a circle, and that is because the Power of the World always works in circles, and everything tries to be round. In the old days when we were strong and happy people, all our power came to us from the respectful circle of the nation, and so long as the circle was unbroken, the people were getting rich. The flowering tree was the living center of the circle, and the circle of the four quarters nursed it. The east gave peace and light, the south gave warmth, the west gave rain, and the north with its cold and strong wind gave strength and continuous power. This knowledge came to us from the outer world with our brief. Everything the Power of the World does is done in a circle. The sky is round, and I have heard that the earth is round like a ball, and so are all the stars. Birds make their nests in circle, for theirs are the same as ours. The sun comes forth and goes down again in a circle. The moon does the same, and both are round. Even the seasons form a great circle in their changing, and always come back again to where they were. The life of a man is a circle from childhood to childhood, and so it is in everything where power moves. Our places were like the nests of birds, and these were always set in a circle, the nation's circle, a nest of many nests, where the Great Spirit meant for us to nurse our children. But the "white people" have put us in these square boxes. Our power is gone and we are dying, for the power is not in us any more. You can look at our boys and see how it is with us. Where we were living by the power of the circle in the way we should, boys were men at twelve or thirteen years of age. But now it takes them very much longer to grow up. According to the passage, the Indians _ .
|
[
"don't have modern instruments in their homes",
"refused to move from round places",
"lived in round places, but were forced to live in square houses",
"lived in round places, but then decided to move into square houses"
] |
C
| null |
train
| |
ai2_arc_ARC-Easy
|
What happens when oil is placed in water?
|
[
"Some oil sinks below the surface.",
"Oil droplets form in the water.",
"The oil and water mix together.",
"The oil floats on top of the water."
] |
D
| null |
train
| null |
mmlu
|
Students perform an investigation designed to measure the daily growth of a bean plant. Which should the students do every day of this investigation?
|
[
"record data",
"form hypothesis",
"form conclusion",
"define variables"
] |
A
| null |
train
| |
aqua_rat
|
A fair coin is tossed repeatedly. If heads appears on first 5 tosses what is the probability that tail appears on the next two tosses?
|
[
"1/6",
"1/5",
"1/4",
"1/6"
] |
C
|
Explanation :
Like mentioned in the question, the coin is fair. So chance of appearing of head and tail on each toss is same and each toss is independent from the previous one. So the chance of appearing tail on the next two tosses is still 1/2 each.
1/2 * 1/2 = 1/4
Answer : D
|
train
| null |
aqua_rat
|
Which of the following cannot be the range of a set consisting of 5 odd multiples of 15?
|
[
"60",
"120",
"180",
"324"
] |
D
|
Solution: sequence of 15 lets say sequence is 15n, 15(n+1), 15(n+2), 15(n+3), 15(n+4)
so range is 15n+60-15n = 60
if we put the different values of n we will get different but the range will be multiple of 60
and only 324 is not multiple of 60
Ans: D
|
train
| null |
med_mcqa
|
Feature of diabetes mellitus in pregnancy
|
[
"Postdatism",
"Hydramnios",
"Neonatal hyperglycemia",
"All"
] |
B
|
Ans. is b i.e. Hydramnios As explained in the previous question maternal hyperglycaemia leads to fetal hyperglycaemia, which in turn causes polyuria and thus causes polyhydramnios. - Polyhydramnios leads to preterm delivery and not post datism. - Excessive uterine enlargement because of polyhydramnios and macrosomia causes increased incidence of atonic PPH. Diabetes leads to increased incidence of congenital defects in fetus. Maternal hyperglycemia to fetal hyperglycemia hyperinsulinemia -/ to neonatal hypoglycemia at bih.
|
train
| null |
aqua_rat
|
If money is invested at r percent interest, compounded annually, the amount of the investment will double in approximately 50/r years. If Luke's parents invested $14,500 in a long term bond that pays 12 percent interest compounded annually, what will be the approximate total amount of the investment 12 years later, when Luke is ready for college?
|
[
"62,000",
"95,500",
"120,500",
"100,000"
] |
C
|
Answer equals D in 48 years. I thought by 50th year it would reach 120,500. Options should have been separated more widely for clarity.
|
train
| null |
ai2_arc_ARC-Easy
|
A student used two long wires to connect a lightbulb to a battery. The student noticed that as soon as the circuit was complete, a nearby compass started to point in a direction other than north. The compass pointed in a different direction because it was reacting to the
|
[
"heat produced by the lightbulb.",
"light produced by the lightbulb.",
"electric field produced by the battery.",
"magnetic field produced by the electric current."
] |
D
| null |
train
| null |
med_mcqa
|
Most common form of Nocardial respiratory tract infection is ?
|
[
"Laryngitis",
"Pharyngitis",
"Tonsilitis",
"Pneumonia"
] |
D
|
Ans. is 'd' i.e.,Pneumonia Nocardia are 'gram positive' `acid fast' filaments. Nocardia are strict aerobes and paially urease and catalase positive. Since nocardiae are among the few aerobic microorganism that use paraffin as a carbon source, paraffin baiting can be used to isolate the organism from mixed culture.
|
train
| null |
ai2_arc_ARC-Easy
|
Which interaction within an ecosystem is characterized by gradual change from one community of organisms to another?
|
[
"symbiosis",
"food webs",
"energy pyramids",
"succession"
] |
D
| null |
train
| null |
aqua_rat
|
CONVERT 1.6 hectares in ares
|
[
"130 ares.",
"160 ares.",
"230 ares.",
"250 ares."
] |
B
|
1.6 hectares in ares
1 hectare = 100 ares
Therefore, 1.6 hectares = 1.6 × 100 ares
= 160 ares.
ANSWER- B
|
train
| null |
mmlu
|
Some people will do just about anything to save money. And I am one of them. Take my family's last vacation. It was my six-year-old son's winter break form school, and we were heading home from Fort Lauderdale after a weeklong trip. The flight was overbooked, and Delta, the airline, offered us $400 per person in credits to give up our seats and leave the next day. I had meeting in New York,So I had to get back . But that didn't mean my husband and my son couldn't stay. I took my nine-month-old and took off for home. The next day my husband and son were offered more credits to take an even later flight. Yes, I encouragedokay, ordered-them to wait it out at the airport, to "earn" more Delta Dollars. Our total take: $1,600. Not bad, huh? Now some people may think I'm a bad mother and not such a great wife either. But as a big-time bargain hunter, I know the value of a dollar. And these days, a good deal is something few of us can afford to pass up. I've made living looking for the best deals and exposing the worst tricks . I have been the consumer reporter of NBC's Today show for over a decade. I have written a couple of books including one titled Tricks of the Trade: A Consumer Survival Guide. And I really do what I believe in. I tell you this because there is no shame in getting your money's worth. I'm also tightfisted when it comes to shoes, clothes for my children, and expensive restaurants. But I wouldn't hesitate to spend on a good haircut. It keeps its longer, and it's the first thing people notice. And I will also spend on a classic piece of furniture. Quality lasts. Why did Delta give the author's family credits?
|
[
"They took a later flight.",
"They had early bookings.",
"Their flight had been delayed.",
"Their flight had been cancelled."
] |
A
| null |
train
| |
med_mcqa
|
LMW heparin is preferred over unfractionated heparin because:
|
[
"LMW heparin directly inhibit thrombin whereas unfractionated heparin acts activation of anti thrombin",
"LMW heparins have higher risk of causing bleeding",
"LMW heparin can be given subcutaneously as well as orally",
"LMW heparin has consistent bioavailability."
] |
D
|
LMW heparin inhibit factor Xa only and have a weak effect on thrombin , aPTT, or CT are not prolonged. Heparin acts by activation of antithrombin III. LMW heparin is given subcutaneosly due to better bioavalability.LMW heparin have subcutaneous bioavalability of 70 - 90%. From medical pharmacology padmaja 4th edition Page no 337
|
train
| null |
sciq
|
Unlike the biological species concept, the ecological species concept can accommodate asexual as well as ________ species.
|
[
"homologous",
"homosexual",
"artificial",
"sexual"
] |
D
|
train
| null |
|
ai2_arc_ARC-Easy
|
In cherry tomatoes, red color (R) is dominant to yellow color (r). If two heterozygous plants are crossed, what percentage of the offspring will be yellow?
|
[
"0%",
"25%",
"50%",
"100%"
] |
B
| null |
train
| null |
mmlu
|
Naturally, American schoolchildren love holidays. And they get a lot of them each year. Besides having national holidays such as Thanksgiving and Presidents' Day off from school, students get longer breaks in the spring and during the summer holidays .In fact, kids in US only go to school for about 180 days a year .To students, holidays are perfect .However, parents think there are advantages and disadvantages. On the one hand, school holidays allow families to spend time together. Many American parents take time off from work during June ,July or August to travel with their children on vacation either in US or a foreign country. On the other hand, schoolchildren get much more time off school than parents get vacation time. This means that parents with young children may have to pay more in babysitting or daycare costs. As well, the long summer holidays mean that students sometimes get bored . Besides going on trips with their parents, American students enjoy taking part in different kinds of activities during the holidays. For example, some kids enjoy summer camps and outdoor adventure holidays. Such trips are great for adventurous students. _ also have a lot to offer students who aren't usually interested in traditional PE activities. You can do courses in survival skills, for example. Students learn how to make a camp in the forest, which wild food they can eat and how to find their way back to the center. Students who are not excited about summer camps and outdoor adventure may take part in courses in computer game design, filmmaking and photography during the holidays. Finally, the traditional school trip to foreign countries is always popular. Students can practice their foreign language skills and experience everyday life in a different culture. What would be the best title for the passage?
|
[
"School Trips in the US.",
"School Holidays in the US.",
"School activities in the US.",
"Outdoor Adventure in the US"
] |
B
| null |
train
| |
sciq
|
Electrons in the "outer shell" are also known as what kind of electrons?
|
[
"valence",
"static",
"charged",
"intermediate"
] |
A
|
Determine the total number of valence (outer shell) electrons. For cations, subtract one electron for each.
|
train
| null |
ai2_arc_ARC-Challenge
|
Felicia noticed how air temperatures were cooler and there were fewer hours of daylight during some of the seasons. Which of the following contributes to these seasonal changes?
|
[
"Earth rotates on its axis.",
"Earth revolves around the Sun.",
"The Sun has less energy in winter.",
"The Sun moves further from Earth in winter."
] |
B
| null |
train
| null |
med_mcqa
|
Why is the effect of local anaesthesia slow in infected tissues
|
[
"Less vascularity causing poor diffusion of drug",
"Rich in enzymes that metabolize the drug",
"Low extracellular pH that hinders diffusion of drug into cell",
"Rich in K+ that inhibits binding of the drug to the receptor"
] |
C
|
In case of infection there is acidic pH of tissue, and in that case local anaesthetics are mostly in ionized form. Ionized form of local anaesthetics is the one that binds to sodium channels, but non-ionized form is the one that is important for membrane penetration. That is the reason for delayed onset of local anaesthetics in site of infection.
|
train
| null |
aqua_rat
|
The difference between the place value and the face value of 8 in the numeral 856973 is
|
[
"973",
"6973",
"5994",
"None of these"
] |
D
|
(Place value of 8) - (Face value of 8) = (800000 - 8) = 799992
Answer: Option E
|
train
| null |
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