question stringlengths 1 5.01k | choices listlengths 4 4 | answer stringclasses 4
values | support stringlengths 0 3.68k | source stringclasses 3
values |
|---|---|---|---|---|
What does phagocytosis defend the body from? | [
"pathogens",
"parasites",
"allergies",
"obesity"
] | A | 4. State how phagocytosis helps defend the body from pathogens. | SCiQ_train |
A man positioned at the origin of the coordinate system. the man can take steps of unit measure in the direction North, East, West or South. Find the number of ways of he can reach the point (5,6), covering the shortest possible distance. | [
"504",
"252",
"None",
"462"
] | D | Solution:
In order to reach (5,6) covering the shortest distance at the same time the man has to make 5 horizontal and 6 vertical steps.
The number of ways in which these steps can be taken is given by,
[11! /(5! *6!)] = 462.
Answer: Option C | AquaRat_train |
Lipids are also know by what name? | [
"sugars",
"proteins",
"acids",
"fats"
] | D | SCiQ_train | |
Three taps A, B and C can fill a tank in 12, 15 and 20 hours respectively. If A is open all the time and B and C are open for one hour each alternately, the tank will be full is? | [
"5 hrs",
"6 hrs",
"6 2/3 hrs",
"7 hrs"
] | D | (A + B)'s 1 hour work = (1/12 + 1/15) = 3/20
(A + C)'s 1 hour work = (1/12 + 1/20) = 2/15
Part filled in 2 hrs = (3/20 + 2/15) = 17/60
Part filled in 6 hrs = 3 * 17/60 = 17/20
Remaining part = 1 - 17/20 = 3/20
Now, it is the turn of A and B and 3/20 part is filled by A and B in 1 hour.
Total time taken to fill the tank... | AquaRat_train |
It is not just humans that get stuck in their ways. Scientists have discovered that old bees have trouble finding their way to new hives as their learning behavior becomes increasingly inflexible. Bees are typically impressive navigators, able to wind their way home through complex landscapes after visits to flowers... | [
"Not just humans get lost.",
"Aged bees suffer from poor learning behavior",
"Aged bees also get stuck in their ways.",
"An interesting research into aged bees."
] | C | MMLU_train | |
Reeya obtained 65, 67, 76, 82 and 85 out of 100 in different subjects, What will be the average | [
"75",
"80",
"85",
"90"
] | A | Explanation:
(65+67+76+82+85 / 5)=75
Option B | AquaRat_train |
With an increased understanding of gene regulation and gene function, medicines can be designed to specifically target diseased cells without harming these? | [
"hosts",
"stem cells",
"pathogens",
"healthy cells"
] | D | New Drugs to Combat Cancer: Targeted Therapies Scientists are using what is known about the regulation of gene expression in disease states, including cancer, to develop new ways to treat and prevent disease development. Many scientists are designing drugs on the basis of the gene expression patterns within individual ... | SCiQ_train |
Solve for x the equation log9(x3) = log2(8) | [
"6",
"8",
"9",
"5"
] | C | log9(x3) = log2(8) : given
log2(23) = 3 : simplify right hand side of given equation.
log9(x3) = 3 : rewrite the above equation
log9(x3) = log9(93) : rewite 3 as a log base 9.
x3 = 93 : obtain algebraic equation from eqaution D.
x = 9 : solve above for x
correct answer A | AquaRat_train |
What organ is similar to a lymph node but is much larger and filters blood instead of lymph? | [
"bone",
"kidney",
"liver",
"spleen"
] | D | Figure 42.21 The spleen is similar to a lymph node but is much larger and filters blood instead of lymph. Blood enters the spleen through arteries and exits through veins. The spleen contains two types of tissue: red pulp and white pulp. Red pulp consists of cavities that store blood. Within the red pulp, damaged red b... | SCiQ_train |
Red is dominant to white for flower color in a particular plant. If a red flowered plant (RR) is crossed with a white flowered plant (rr), what color will the offspring be? | [
"100% pink",
"100% red",
"50% white, 50% red",
"100% white"
] | B | MMLU_train | |
Thermal conduction is when materials conduct what through those materials? | [
"air",
"hotness",
"electricity",
"cold"
] | B | MMLU_train | |
Let S be the set of values which can be written as the sum of 5 consecutive perfect squares.
What is the smallest element of S which is divisible by 17? | [
"255",
"522",
"664",
"355"
] | A | Each element of S can be written in the form
(x- 2)2 + (x - 1)2 + x2 + (x + 1)2 + (x + 2)2 = x2 + 2x2 + 2 + 2x2 + 8
= 5x2 + 10
= 5(x2 + 2)
where x is some positive integer with x 3. By iterating over values of x, we observe that when
x = 7, x2 + 2 = 51 = 3 * 17; no smaller value of x exists which satisfies the problem ... | AquaRat_train |
Nearly all rocks are made of what? | [
"calcium",
"magma",
"minerals",
"sand"
] | C | Nearly all rocks are made of minerals. A few are made of materials that do not fit the definition of minerals. | SCiQ_train |
For poets, bird song is a beautiful expression of nature in full bloom. But for scientists, the chirps of birds are far more meaningful than just pretty sounds. Latest studies show the way that young birds learn to sing is similar to that of a human baby learning to speak. "The question we're trying to answer is how a ... | [
"Birds learn to sing songs in a trial-and-error fashion.",
"The study of bird song will enable us to understand bird language.",
"The study of bird song might help find cure for human brain diseases.",
"The chirps of young birds can be imperfect but creative."
] | B | MMLU_train | |
A sum of money is put out at compound interest for 2 years at 20%. It would fetch Rs.482 more if the interest were payable half-yearly, then it were pay able yearly. Find the sum. | [
"28712",
"2000",
"3377",
"2788"
] | B | P(11/10)4 - P(6/5)2 = 482
P = 2000
Answer:D | AquaRat_train |
Rain at the apex of a pyramid will end up | [
"on your shoes",
"on the side",
"at the footing",
"at the top"
] | C | MMLU_train | |
Mandara seemed to know something big was about to happen. So she let out a yell, caught hold of her 2-year-old daughter Kibibi and climbed up into a tree. She lives at the National Zoo in Washington, D.C. And on Tuesday, August 23rd, witnesses say she seemed to sense the big earthquake that shook much of the East Coast... | [
"How animals survive a quake.",
"How animals differ from humans.",
"How animals behave before a quake.",
"How animals protect their young in a quake."
] | C | MMLU_train | |
In the reading room of a library, there are 25 reading spots. Each reading spot consists of a round table with 9 chairs placed around it. There are some readers such that in each occupied reading spot there are different numbers of readers. If in all there are 36 readers, how many reading spots do not have even a singl... | [
"17",
"14",
"16",
"9"
] | A | 1+2+3+4+5+6+7+8 = 36
so, 8 spots are occupied by users
25-8 = 17,
ANSWER:A | AquaRat_train |
The site of some nutrient absorption, the ileum is the third part of what digestive organ? | [
"rectum",
"large intestine",
"stomach",
"small intestine"
] | D | The ileum is the third part of the small intestine. A few remaining nutrients are absorbed here. Like the jejunum, the inner surface of the ileum is covered with villi that increase the surface area for absorption. | SCiQ_train |
If Friday occurred on 21th January 2005. What was the day of the week on 21th January 2004? | [
"Wednesday",
"Tuesday",
"Sunday",
"Monday"
] | A | There are 2 odd days in the year 2004
So, the day on 21th January 2005 will be two days beyond the day on 21th January 2004
On 21th January 2004, it was Wednesday
Answer: B | AquaRat_train |
Where is the site of photosynthesis? | [
"the chloroburst",
"another chloroplast",
"the chloroplast",
"the organism"
] | C | The chloroplast is the site of photosynthesis. Part of the photosynthesis reactions occur in an internal membrane within the organelle. Many of the pigments and other molecules necessary for photosynthesis are embedded within these internal membranes, The chloroplast contains many of these internal membranes, allowing ... | SCiQ_train |
Earth's core is primarily composed of which of the following materials? | [
"basalt",
"iron",
"magma",
"quartz"
] | B | MMLU_train | |
How many different subsets of the set {11, 14, 17, 24} are there that contain an odd number of elements? | [
"8",
"10",
"12",
"3"
] | A | Answer = D = 8
{11}
{14}
{17}
{24}
{11, 14, 17}
{14, 17, 24}
{11, 17, 24}
{11, 14, 24} | AquaRat_train |
What biochemicals mediate changes in target cells by binding to specific receptors? | [
"acids",
"hormones",
"enzymes",
"amino acids"
] | B | 37.2 | How Hormones Work By the end of this section, you will be able to: • Explain how hormones work • Discuss the role of different types of hormone receptors Hormones mediate changes in target cells by binding to specific hormone receptors. In this way, even though hormones circulate throughout the body and come int... | SCiQ_train |
A batsman in his 20th innings makes a score of 90, and thereby increases his average by 2. What is his average after the 20th innings? He had never been ’not out’. | [
"43",
"39",
"42",
"52"
] | D | Average score before 20th innings
= 90 - 2 × 20= 50
Average score after 20th innings
=> 50 + 2 = 52
ANSWER:A | AquaRat_train |
When positive integer n is divided by 5, the remainder is 1. When n is divided by 7, the remainder is 3. What is the smallest positive integer k such that k + n is a multiple of 75. | [
"3",
"12",
"4",
"35"
] | D | First, let us say I have a number n which is divisible by 5 and by 7. We all agree that it will be divisible by 35, the LCM of 5 and 7.
Now, if I have a number n which when divided by 5 gives a remainder 1 and when divided by 7 gives a remainder 1, we can say the number is of the form
n = 5a + 1 e.g. 5 + 1, 10 + 1, 15 ... | AquaRat_train |
What elements do water and hydrogen peroxide consist of? | [
"hydrogen and oxygen",
"hydrogen and helium",
"calcium and oxygen",
"carbon and oxygen"
] | A | Look at the Figure below of water (H 2 O) and hydrogen peroxide (H 2 O 2 ), and read about these two compounds. Both compounds consist of hydrogen and oxygen, but they have different ratios of the two elements. As a result, water and hydrogen peroxide are different compounds with different properties. If you’ve ever us... | SCiQ_train |
What is the sum of the multiples of 4 between 63 and 151 inclusive? | [
"2250",
"2332",
"2310",
"2240"
] | B | the fastest way in an AP is to find the average and multiply with total integers..
between 63 and 151, the smallest multiple of 4 is 64 and largest =148..
average=(64+148)/2=106..
total numbers = (148-64)/4 + 1= 21+1=22..
sum=22*106=2332
ans E | AquaRat_train |
Mike and his friend are going on a road trip and hoping to miss traffic. If they are driving at a rate of 6 miles per minute, what is their speed in kilometers per hour? [1km = 0.6 miles] | [
"600",
"None of the above",
"30",
"60"
] | A | To calculate the equivalent of kilometres in a mile
6 miles = 6*(0.6)^-1 = 10 kilometres
In 1 hour there are 60 minutes
Speed in kmph = 10 * 60 = 600
Correct answer - D | AquaRat_train |
Who study volcanoes to be able to predict when a volcano will erupt? | [
"volcanologists",
"ornithologists",
"vocologists",
"virologists"
] | A | Volcanic eruptions can be devastating, particularly to the people who live close to volcanoes. Volcanologists study volcanoes to be able to predict when a volcano will erupt. Many changes happen when a volcano is about to erupt. | SCiQ_train |
A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If three marbles are drawn what is the probability that one is yellow and two are red? | [
"12/455",
"12/453",
"12/459",
"12/452"
] | A | Given that there are three blue marbles, four red marbles, six green marbles and two yellow marbles.
When three marbles are drawn, the probability that one is yellow and two are red
= (2C1)(4C2)/15C3
= (2 * 4 * 3 * 3 * 2)/(1 * 2 * 15 * 14 * 13) = 12/455
Answer:C | AquaRat_train |
Lenses make use of what to create images? | [
"refraction of light",
"resonance of light",
"stimulation of light",
"envelopment of light"
] | A | Lenses make use of the refraction of light to create images. A lens is a transparent object, typically made of glass, with one or two curved surfaces. The more curved the surface of a lens is, the more it refracts light. Like mirrors, lenses may be concave or convex. | SCiQ_train |
Two goods trains each 625 m long are running in opposite directions on parallel tracks. Their speeds are 45 km/hr and 30 km/hr respectively. Find the time taken by the slower train to pass the driver of the faster one? | [
"45",
"40",
"60",
"48"
] | C | Relative speed = 45 + 30 = 75 km/hr.
75 * 5/18 = 125/6 m/sec.
Distance covered = 625 + 625 = 1250 m.
Required time = 1250 * 6/125 = 60 sec.
Answer: Option D | AquaRat_train |
If six persons sit in a row, then the probability that three particular persons are always together is ? | [
"1/0",
"1/1",
"1/4",
"1/5"
] | D | Six persons can be arranged in a row in 6! ways. Treat the three persons to sit together as one unit then there four persons and they can be arranged in 4! ways. Again three persons can be arranged among them selves in 3! ways. Favourable outcomes = 3!4! Required probability = 3!4!/6! = 1/5
Answer: C | AquaRat_train |
He was just 12 years old when he died. But he brought courage and hope to people around the world. Nkosi Johnson, who died last June, is remembered today as an AIDS fighter. This young boy challenged his government's AIDS policies and millions of South Africans in the fight against the disease. Johnson was the longest ... | [
"steal the hearts of thousands of people",
"be an AIDS fighter",
"get more help from the world",
"fight against the government"
] | C | MMLU_train | |
Seven people went to a restaurant for dinner. Six of them spent $11 each on their meals and the seventh person spent $6 more than the average expenditure of all seven people. What was the total amount of money that the seven people spent? | [
"$81",
"$82",
"$84",
"$83"
] | C | Let T be the total amount of money spent.
6*11 + (T/7 + 6) = T
72 = 6T/7
T = (7*72)/6 = 84
The answer is E. | AquaRat_train |
A basket contains 7 apples, of which 1 is spoiled and the rest are good. If we select 2 apples from the basket simultaneously and at random, what is the probability that the 2 apples selected will include the spoiled apple? | [
"2/7",
"1/5",
"3/5",
"4/11"
] | A | The total number of ways to choose 2 apples is 7C2 = 21
The number of ways that include the spoiled apple is 6C1 = 6
P(the spoiled apple is included) = 6/21 = 2/7
The answer is B. | AquaRat_train |
The Lionfish Invasion! Lionfish are popular saltwater aquarium fish all over the world, especially in the United States. Nowadays, they also live in Atlantic waters off the East Coast of the United States. These lionfish are what scientists call an invasive species or an "alien invader." Local divers off the coast ... | [
"Serious.",
"Disapproving.",
"Optimistic.",
"Indifferent."
] | C | MMLU_train | |
What forms as a result of decomposition when n2o is heated? | [
"ammonia and nitrogren",
"nitrogen and oxygen",
"calcium and oxygen",
"nitrogen and hydrogen"
] | B | The oxides of nitrogen(III), nitrogen(IV), and nitrogen(V) react with water and form nitrogen-containing oxyacids. Nitrogen(III) oxide, N2O3, is the anhydride of nitrous acid; HNO2 forms when N2O3 reacts with water. There are no stable oxyacids containing nitrogen with an oxidation state of 4+; therefore, nitrogen(IV) ... | SCiQ_train |
Wearing the wrong type of glasses will do harm to your eyes. Incorrect glasses may not be good for the children under 10. You may see better with glasses that are specially made for you. Watching too much television may be bad for your eyes. This is not true for everyone. People with easily affected eyes may find they ... | [
"night blindness",
"easily affected eyes",
"no eye trouble for some people",
"vision problems for everyone"
] | B | MMLU_train | |
In the xy-coordinate system, if (m,n) and (m+2, n+k) are two points on the line perpendicular to x=2y+5, then k=? | [
"1",
"-8",
"-5",
"-4"
] | D | the slope= k/2
the line perpendicular to x=2y+5 or y=1/2x-5/2 has
a slope= -1/ (1/2) =-2 --->k/2=-2 --> k=-4
Answer is D | AquaRat_train |
Binary compounds of carbon with less electronegative elements are called what? | [
"alkaloids",
"carborane",
"oxides",
"carbides"
] | D | Note the Pattern Pi bonds between carbon and the heavier chalcogenides are weak due to poor orbital overlap. Binary compounds of carbon with less electronegative elements are called carbides. The chemical and physical properties of carbides depend strongly on the identity of the second element, resulting in three gener... | SCiQ_train |
During the condensation reaction of sugars what is removed, linking the two sugars? | [
"air",
"water",
"hormones",
"chlorophyll"
] | B | The simple sugars form the foundation of more complex carbohydrates. The cyclic forms of two sugars can be linked together by means of a condensation reaction. The figure below shows how a glucose molecule and a fructose molecule combine to form a sucrose molecule. A hydrogen atom from one molecule and a hydroxyl group... | SCiQ_train |
Cutting down a tree | [
"ceases its ability to grow",
"will cause it to grown 10x bigger",
"will decrease the likelihood of deforestation",
"will cause the tree to flourish"
] | A | MMLU_train | |
The cost price of a radio is Rs.1500 and it was sold for Rs.1260, find the loss %? | [
"11",
"16",
"26",
"18"
] | B | Explanation:
1500 ---- 240
100 ---- ? => 16%
Answer:B | AquaRat_train |
Ellie and her grandfather went to the beach late in the afternoon. "Why are we going to the beach, Grandpa?" Ellie asked. He smiled a big old smile. "We're looking for treasure," he said. He carried two small plastic shovels and a basket. "What's in the basket?" she asked. "Some pie and soda to celebrate when we ... | [
"4",
"2",
"1",
"3"
] | A | MMLU_train | |
In a certain animal population, for each of the first 3 months of life, the probability that an animal will die during that month is 1/10. For a group of 200 newborn members of the population, approximately how many would be expected to survive the first 3 months of life? | [
"162",
"170",
"152",
"146"
] | D | Number of newborns that can die in first month = 1/10 * 200 = 20
Survived = 180
Number of newborns that can die in second month = 1/10 * 180 = 18
Survived = 162
Number of newborns that can die in third month = 1/10 * 162 = 16
Survived = 146
Answer:B | AquaRat_train |
Mirrors reflect light because for light to travel through the material of which the mirror is made makes it | [
"difficult",
"loud",
"easy",
"long"
] | A | MMLU_train | |
tuna swim extremely fast to catch | [
"sharks",
"kelp",
"anchovies",
"starfish"
] | C | MMLU_train | |
9/5 of 11/122 of 8% of 33550 = ? | [
"436.8",
"435.6",
"456.7",
"433.4"
] | B | Explanation :
? = 9x11x8x33550/5x122x100 = 435.6
Answer : Option C | AquaRat_train |
What term describes the ability of matter to combine chemically with other substances? | [
"permeability",
"Diffusion",
"reactivity",
"oxidation"
] | C | Reactivity is the ability of matter to combine chemically with other substances. For example, iron is highly reactive with oxygen. When it combines with oxygen, it forms the reddish powder called rust (see Figure below ). Rust is not iron but an entirely different substance that consists of both iron and oxygen. | SCiQ_train |
The volume of a regularly shaped solid can be calculated from its what? | [
"mass",
"density",
"dimensions",
"layers"
] | C | The volume of a regularly shaped solid can be calculated from its dimensions. For example, the volume of a rectangular solid is the product of its length, width, and height. | SCiQ_train |
A tap can fill a tank in 16 minutes and another can empty it in 8 minutes. If the tank is already 1/2 full and both the taps are opened together, will the tank be filled or emptied? How long will it take before the tank is either filled completely or emptied completely as the case may be? . | [
"None of These",
"Filled; 8 mins",
"Emptied; 12 mins",
"Filled; 12 mins"
] | A | if A and B open together
since B can empty faster than A so tank will empty not fill.
the whole tank will empty in 16*8/(16-8)
=16 min
since tank is half so it will take only 8 min to empty.
ANSWER:E | AquaRat_train |
The combined salaries of three brothers is $225,000. Mr. Big earns twice what Mr. Small earns, and Mr. Middle earns 1 1/2 times what Mr. Small earns. What is the smallest salary of the three brothers? | [
"40,000",
"50,000",
"35,000",
"30,000"
] | B | Mr. Small = x;
Mr. Middle = 3/2*x;
Mr. Big = 2x.
x + 3/2*x + 2x = 225 --> x=50
Answer: C | AquaRat_train |
What will come in place of the x in the following Number series? 4, 10, 22, 46, 94, x | [
"190",
"210",
"170",
"168"
] | A | There are 2 functions here: (Multiply by 2 and Adding 2 to get the next number in the series)
4 x 2 + 2 = 10
10 x 2 + 2 = 22 etc
Hence : 94 x 2 + 2 = 190
Correct Answer is E | AquaRat_train |
The forth proportional to 12,8,15 is? | [
"18",
"10",
"15",
"24"
] | B | Let the fourth proportional to 12,8,15 be x
then 12:8::15:x
12x = 8*15
x = 10
Answer is D | AquaRat_train |
Winter is dangerous for drivers because it's so difficult to know what is going to happen and accidents take place easily. Bad weather can be waiting to meet you. Ice might be hiding under the snow, waiting to send you off the road. The car coming towards you might suddenly move across the road. Here are two rules for ... | [
"drivers usually have too much coffee",
"people drive three times faster than usual",
"unexpected things may often happen",
"people drive more gently and slowly"
] | C | MMLU_train | |
What force includes forces of attraction and repulsion? | [
"gravitational force",
"molecular force",
"magnetic force",
"centripetal force"
] | C | The force that a magnet exerts is called magnetic force. The force is exerted over a distance and includes forces of attraction and repulsion. A magnet can exert force over a distance because the magnet is surrounded by a magnetic field. | SCiQ_train |
Tu Youyou, 84, honored with the Nobel Prize in Physiology or Medicine on Oct 5, 2015. She was the first Chinese citizen to win a Nobel Prize in science for her work in helping to create an anti-malaria medicine. In 1967, Communist leader Mao Zedong decided there was an urgent national need to find a cure for malaria. ... | [
"Responsible",
"Traditional",
"Stubborn",
"Lucky"
] | A | MMLU_train | |
Sam likes eating fish very much. He often buys fish in the shop and takes them home. One day his wife sees the fish and thinks, "Good! Now, I can ask my friends to have lunch and we can eat the fish. They like fish very much." When Sam comes home from work in the evening, the fish is not there and his wife says, "Oh, y... | [
"One kilo.",
"Two kilos.",
"One and a half kilos.",
"Half a kilo."
] | A | MMLU_train | |
Uncontrolled cell growth can lead to tumors and what disease? | [
"cancer",
"kidney failure",
"cirrhosis",
"vascular disease"
] | A | 10.4 | Cancer and the Cell Cycle By the end of this section, you will be able to: • Describe how cancer is caused by uncontrolled cell growth • Understand how proto-oncogenes are normal cell genes that, when mutated, become oncogenes • Describe how tumor suppressors function • Explain how mutant tumor suppressors cause... | SCiQ_train |
The diagonal of the floor of a rectangular closet is 7 feet. The shorter side of the closet is 4 feet. What is the area of the closet in square feet? | [
"57 sq. ft",
"27 sq. ft",
"47 sq. ft",
"37 sq. ft"
] | B | Other side =
15 2 - 9 2
2 2
ft
=
225 - 81
4 4
ft
=
144
4
ft
= 6 ft.
Area of closet = (6 x 4.5) sq. ft = 27 sq. ft.
B) | AquaRat_train |
A car travels at a speed of 60 miles per hour. How far will it travel in 5 hours? | [
"225 miles",
"300 miles",
"625 miles",
"625 miles"
] | B | During each hour, the car travels 65 miles. For 5 hours it will travel
60 + 60 + 60 + 60 + 60 = 5 *65 = 300 miles correct answer C | AquaRat_train |
It is common sense that children who walk or cycle to school have a lower risk of obesity than those by car. But driving your youngsters to the gates could also cause their academic work to suffer. Researchers found children who were driven to school, or who took public transport, had poorer concentration levels than t... | [
"Exercise helps our brain make the most of oxygen.",
"Exercise can improve the level of concentration.",
"Exercise can make you sharp- minded.",
"Exercise can decrease mental fatigue."
] | B | MMLU_train | |
If a certain sample of data has a mean of 11.0 and the value 20.0 is more than 2.5 standard deviations from the mean, which of the following could be the standard deviation of the sample | [
"14.75",
"4.25",
"2.75",
"3.55"
] | D | 20.0 is more than 2.5 standard deviations from 11 --> 20 > 11 + 2.5*{SD} --> 2.5*{SD} < 9 --> {SD} < 3.6. Only option B offers the standard deviation less than 3.6.
Answer: B | AquaRat_train |
The average marks of a class of 30 students is 40 and that of another class of 50 students is 60. Find the average marks of all the students? | [
"52.2",
"52.5",
"52.1",
"52.3"
] | B | Sum of the marks for the class of 30 students = 30 * 40 = 1200
Sum of the marks for the class of 50 students = 50 * 60 = 3000
Sum of the marks for the class of 80 students =
1200 + 3000 = 4200
Average marks of all the students = 4200/80
= 52.5
Answer:D | AquaRat_train |
AZ + CD = AAA, where AZ and CD are two-digit numbers and AAA is a three digit number; A, Z, C, and D are distinct positive integers. In the addition problem above, what is the value of C? | [
"1",
"Cannot be determined",
"7",
"9"
] | D | Since AZ and CD are two-digit integers, their sum can give us only one three digit integer of a kind of AAA: 111.
So, A=1 and we have 1Z+CD=111
Now, C can not be less than 9, because no two-digit integer with first digit 1 (1Z<20) can be added to two-digit integer less than 90, so that to have the sum 111 (if CD<90, so... | AquaRat_train |
Peter King, 15, and Mary King, 13, went to see a doctor. Peter had a bad cold, so the doctor gave him some pills to take. Mary had a bad cough, so the doctor gave her some cough medicine. There are the words on the bottle of the medicine: Cough Medicine Shake well before use. Take three times daily after meals. At one ... | [
"shake the medicine well",
"eat her meals",
"do some exercises",
"drink something"
] | A | MMLU_train | |
At a constant Rate of flow, it takes 30 minutes to fill a swimming pool if a large hose is used and 45 minutes if a small hose is Used. At these constant rates, how many minutes will it take to fill the pool when both hoses are used simultaneously? | [
"20",
"16",
"14",
"18"
] | D | time taken to fill the pool by Large Hose =30 minutes =L or 1/L=1/30 similarly 1/S=1/45
simultaneously it will take 1/L+1/S=1/30+1/45=5/90=18 minutes
Answer : C | AquaRat_train |
For years scientists have been worried about the effects of air pollution on the earth's natural conditions. Some believe the air inside many houses may be more dangerous than the air outside. It may be one hundred times worse. Indoor air pollution can cause a person to feel tired, to suffer eye pain, headache and othe... | [
"plants can let out all kinds of pollutants indoors",
"plants may take in more oxygen which people need",
"plants can absorb all kinds of harmful indoor chemicals",
"plants can make our houses prettier and more healthy"
] | C | MMLU_train | |
Intensity is defined to be the power per unit area carried by a what? | [
"wire",
"filament",
"shift",
"wave"
] | D | Intensity is defined to be the power per unit area carried by a wave. Power is the rate at which energy is transferred by the wave. In equation form, intensity I is. | SCiQ_train |
In a 100 m race, A can beat B by 25 m and B can beat C by 4 m. In the same race, A can beat C by: | [
"28",
"25",
"21",
"22"
] | A | A:B = 100:75
B:C=100:96
A:C = 100/72 = 100:72
A beats(100-72) = 28 m
ANSWER C | AquaRat_train |
About 6,000doctors in theprefix = st1 /Philippinesare studying to become nurses so they can find higher-paying jobs abroad, Health Secretary Francisco Duque says. This was up from 2,000 doctors who studied to become nurses last year, Duque said. The exodus of doctors and nurses had created a "threatening situation ... | [
"Because they don't like the working surroundings at home.",
"Because they like to be nurses and live abroad.",
"Because they can make much more money abroad.",
"Because the government hospitals at home never value them."
] | C | MMLU_train | |
Triggered by changes in the environment, migration and hibernation occur as cycles on what temporal basis? | [
"monthly",
"annual",
"bi-annually",
"seasonally"
] | B | Examples of behaviors with annual cycles include migration and hibernation. Both are innate behaviors. They are triggered by changes in the environment, such as the days growing shorter in the fall. | SCiQ_train |
How many seconds will a 900 metre long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr? | [
"30",
"25",
"45",
"54"
] | D | Relative speed of the train=63-3=60kmph=60*5/18=50/3 m/sec
t=900*3/50=54sec
ANSWER:E | AquaRat_train |
Are you carrying too much on your back at school? I'm sure lots of children of your age will say "Yes". Not only the students in China have this problem, but children in the United States also have heavy school bags. Doctors are starting to worry about young students' back and neck because their school bags are too hea... | [
"5 kilos",
"3 kilos",
"5.5 kilos",
"4.5 kilos"
] | D | MMLU_train | |
A rower can row upstream at 7 km/hr and downstream at 15 km/hr. What is the rower's rate in still water? | [
"11 km/hr",
"12 km/hr",
"13 km/hr",
"9 km/hr"
] | A | The rate in still water is 1/2 * (15 + 7) = 11 km/hr
The answer is C. | AquaRat_train |
What is the name of the mechanism in which sounds are encoded in microwaves by changing their frequency? | [
"frequency modulation",
"molecular modulation",
"shape modulation",
"mechanical modulation"
] | A | Cell phone signals are carried through the air as microwaves. You can see how this works in the Figure below . A cell phone encodes the sounds of the caller’s voice in microwaves by changing the frequency of the waves. This is called frequency modulation. The encoded microwaves are then sent from the phone through the ... | SCiQ_train |
What body system consists of organs that break down food, absorb nutrients, and eliminate waste? | [
"lymphatic system",
"digestive system",
"hormonal system",
"skeletal system"
] | B | The digestive system consists of organs that break down food, absorb nutrients, and eliminate waste. | SCiQ_train |
What is rusting an example of? | [
"radiation change",
"contamination change",
"chemical change",
"Decomposition"
] | C | Comets carry materials in from the outer solar system. Comets may have brought water into the early Earth. Other substances could also have come from comets. | SCiQ_train |
3^4+3^4+3^4=? | [
"b) 3^4",
"e) 3^15",
"c) 3^5",
"a) 3^3"
] | C | The correct answer is C 3^5
3^5 = 3^4+3^4+3^4 | AquaRat_train |
A car is running at a speed of 120kmph. What distance will it cover in 12sec? | [
"267m",
"200m",
"250m",
"396m"
] | D | Speed = 120kmph = 120*5/18 = 33 m/s
Distance covered in 12sec = 33*12 = 396m
Answer is A | AquaRat_train |
A person buys an article at Rs.500. At what price should he sell the article so as to make a profit of 30%? | [
"650",
"271",
"882",
"772"
] | A | Cost price = Rs.500
profit = 30% of 500 = Rs.150
Selling price = Cost price + Profit
= 500 + 150 = 650
Answer:A | AquaRat_train |
Electrical potential energy can be described by the equation pe = qv, where q is the electric charge and v is what? | [
"frequency",
"amplitude",
"wavelength density",
"voltage"
] | D | This equation is based on the conservation of energy and conservation of charge. Electrical potential energy can be described by the equation PE = qV , where q is the electric charge and V is the voltage. Thus the energy supplied by the source is qV , while that dissipated by the resistors is. | SCiQ_train |
With online courses, anyone can gain knowledge in any field of interest for free. All you need is a computer, laptop or Smartphone, internet connection and a self-made schedule. You can even get a certificate on completing the course. Udemy Its goal is to promote the world of education by enabling anyone to learn onlin... | [
"charges learners nothing for any course",
"has many lectures given by 8,500 lecturers",
"provides college courses mainly to young men",
"offers college courses at the learners' convenience"
] | D | MMLU_train | |
The colour systems used by scientists and artists are completely different. An artist will mix blue and yellow paint to get a shade of green; a scientist will mix green and red light to create yellow. The printed page in a magazine is yet another system. Scientists recognize the light primaries are red, green and blue.... | [
"Two",
"Three",
"Only one",
"Four"
] | B | MMLU_train | |
Along with other functions, what do carbohydrates, proteins, and lipids provide for the body? | [
"energy",
"muscle",
"hydrogen",
"carbon"
] | A | Carbohydrates, proteins, and lipids provide energy and have other important roles in the body. | SCiQ_train |
A man went to see a doctor. "Open your mouth ", the doctor said. The man opened his mouth and the doctor looked in quickly. "It's clear what's wrong with you .You need more exercise, " the doctor said. "But doctor," the man said "I don't think ..." "Don't tell me what you think," " I am the doctor, not you. I know ... | [
"did not have enough exercise",
"didn't like walking",
"spent much time watching TV.",
"were working in offices"
] | A | MMLU_train | |
Of the 200 students at University XYZ majoring in one or more of the engineering disciplines, 110 are majoring in electrical and 150 are majoring in mechanical. If at least 30 of the students are not majoring in either electrical or mechanical, then the number of students majoring in both electrical and mechanical coul... | [
"130 to 150",
"150 to 170",
"110 to 130",
"70 to 100"
] | B | if there are 110 students majoring in electrical then there must be 90 person not majoring electrical at all, since both of the student not majoring electrical and mechanical is at least 30, so the number of the student who are not majoring electrical but majoring mechanical will be at least 60.
if there are 150 studen... | AquaRat_train |
What is used to fluoridate drinking water to promote dental health | [
"carbon fluorine",
"calcium fluoride",
"carbon fluoride",
"calcium fluorine"
] | B | Calcium fluoride is used to fluoridate drinking water to promote dental health. Crystalline CaF 2 (d = 3.1805 3. | SCiQ_train |
What is the name of the iron-containing oxygen-transport protein in the red blood cells of all vertebrates? | [
"ferric acid",
"hemoglobin",
"platelet",
"plasma"
] | B | Hemoglobin is the iron-containing oxygen-transport protein in the red blood cells of all vertebrates. The hemoglobin molecule is an assembly of four globular protein subunits, each tightly associated with a non-protein heme group. The heme group binds to the iron ion. The most common hemoglobin is hemoglobin A, a tetra... | SCiQ_train |
Marketing executives for a certain chewing gum company projected a 40 percent increase in revenue this year over that of last year, but revenue this year actually decreased by 30%. What percent of the projected revenue was the actual revenue ? | [
"75%",
"50%",
"62.5%",
"58%"
] | B | Last year revenue = 100 (assume);
This year revenue = 70;
Projected revenue = 140.
Actual/Projected*100=70/140*100 = 50%.
Answer: A. | AquaRat_train |
Organisms that reproduce asexually generally have offspring that are | [
"unicellular.",
"multicellular.",
"genetically varied.",
"genetically identical."
] | D | MMLU_train | |
What is the term for species in symbiotic relationships evolving together? | [
"autogeneration",
"coevolution",
"interconnection",
"innervation"
] | B | Evolution occurs in response to a change in the environment. Environmental change often involves other species of organisms. In fact, species in symbiotic relationships tend to evolve together. This is called coevolution . As one species changes, the other species must also change in order to adapt. | SCiQ_train |
Which mechanism helps carbon to cycle from the atmosphere to living organisms? | [
"tissue decomposition",
"cellular respiration",
"photosynthesis",
"transpiration"
] | C | MMLU_train | |
Find the area of a parallelogram with base 12 cm and height 48 cm? | [
"576 cm2",
"42 cm2",
"122 cm2",
"39 cm2"
] | A | Area of a parallelogram
= base * height
= 12 * 48
= 576 cm2
Answer: B | AquaRat_train |
Mrs. Smith is Jim's mother. She loves her family very much. She often buys food, fruit and clothes for Jim and his father. Now many clothes are on sale at good prices. Mrs. Smith comes to the store and she wants to buy some clothes. It has sweaters in all colors for Y=15 each and sports shoes for only Y=28. Mrs. Smith... | [
"the red sweater",
"the blue T-shirt",
"the green T-shirt",
"the white sweater"
] | A | MMLU_train | |
It was only 5 o'clock in the morning. The house was quiet and Tim' s mother was still asleep. Only the sound of the big freezer broke the quiet. He'd dreamt of the cave last night. The purring of the freezer had been the sea. Tim pulled on a sweater and put some apples into his schoolbag. It was too early for breakfa... | [
"The height of the first rocks.",
"The ups and downs of the waves.",
"The vast stretch of the sunlit beach.",
"The change in the position of the sun."
] | D | MMLU_train | |
What is the practical application of scientific principles and discoveries to develop things that make our lives easier? | [
"engineering",
"component",
"Movement",
"experiment"
] | A | Engineering is the practical application of scientific principles and discoveries to develop things that make our lives easier. Is medicine science or engineering? Justify your answer. | SCiQ_train |
What is the term for nutrients the body needs in relatively small amounts, including vitamins and minerals? | [
"minor nutrients",
"trace nutrients",
"insignificant nutrients",
"micronutrients"
] | D | Nutrients the body needs in relatively small amounts are called micronutrients . They include vitamins and minerals. Vitamins are organic compounds that are needed by the body to function properly. Several vitamins are described in Table below . Vitamins play many roles in good health, ranging from maintaining good vis... | SCiQ_train |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.