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52 is to be divided into two parts such that the sum of 10 times the first and 22 times the second is 780. The bigger part is :
[ "34.44", "26.1", "21.0", "30.33" ]
D
Explanation: Let the two parts be (52 - x) and x. Then, 10 (52 - x) + 22x = 780 => 12x = 260 => x = 21.66. Bigger part = (52 - x) = 30.33. Answer: A) 30.33
AquaRat_train
People from all over the world visit Disneyland to have fun, not to get sick. But last week, an outbreak of measles spread from the Southern California theme park. As of Monday, January 19, at least 52 people have got the easily spread illness. The majority of the reported cases of measles are from people who visited t...
[ "had a lot of fun", "were found missing", "lost their lives", "became seriously ill" ]
D
MMLU_train
From a group of 6boys&4girls a Committee of 4 persons is to be formed. In how many different ways can it be done, so that the committee has at least 2 boys?
[ "200", "110", "210", "185" ]
D
The committee of 4 persons is to be so formed that it has at least 2 men. The different ways that we can choose to form such a committee are: (i) 2m. 2w in 6C2 x 4 C1=6X5 - 2X1 X 3X3 2X1 =n an (ii) 3m. 1w in 6C3 x 4C1 =6X5X4 3X2X1 X4 _n - a '''' (iii) 4m in 6C4 -2x1 = 15 Total no. of different ways in which a committee...
AquaRat_train
A marching band of 240 musicians are to march in a rectangular formation with s rows of exactly t musicians each. There can be no less than 8 musicians per row and no more than 30 musicians per row. How many different rectangular formations G are possible?
[ "4", "3", "G=8", "5" ]
C
The combinations could be {(1,240),(2,120),(3,80),(4,60),(5,48),(6,40),(8,30),(10,24),(12,20),)15,16),(16,15),(20,12),(24,10),(30,8),(40,6),(48,5),(60,4),(80,3),(120,2),(240,1)} Of these we are told 8<=t<=30 So we can remove these pairs, and we are left only with. {(8,30,(10 ,24),(12,20),(15,16),(16,15),(20,12),(24,10)...
AquaRat_train
What is water vapor density known as?
[ "density", "thickness", "ambiance", "humidity" ]
D
saturation vapor density given in the table. Strategy To solve this problem, we need to break it down into a two steps. The partial pressure follows the ideal gas law,.
SCiQ_train
What is the least number of square tiles required to pave the floor of a room 12 m 12 cm long and 1m 20 cm broad?
[ "1010", "None", "814", "804" ]
A
Solution Length of largest tile = H.C.F. of 1212cm & 120cm = 12cm. Area of each tile = (12 x 12)cm2 ∴ Required number of tiles = [1212x120/12x12] = 1010. Answer A
AquaRat_train
What are the two types of photoreceptors in the retina?
[ "rods and cones", "images and cones", "circles and cones", "holes and cones" ]
A
Which of the following statements about the human eye is false? a. Rods detect color, while cones detect only shades of gray. When light enters the retina, it passes the ganglion cells and bipolar cells before reaching photoreceptors at the rear of the eye. The iris adjusts the amount of light coming into the eye. The ...
SCiQ_train
When syrup is added to vodka, the flammable portion of the mixture will
[ "raise", "fall", "sink", "settle" ]
A
MMLU_train
Recently, some concerns have been raised about the health of the world's banana plants. Many media reports have said that bananas may completely disappear in the coming ten years. Bananas are one of the world's most important food crops. They are also the fourth most valuable export. Bananas do not grow from seeds. Ins...
[ "doesn't belong to fungal disease.", "has spread to bananas in the world.", "affects the leaves of banana plants.", "destroys the bananas more seriously than Black Sigatoka disease." ]
D
MMLU_train
With only about 1, 000 pandas left in the world, China is desperately trying to clone the animal and save the endangered species . That's a move similar to what a Texas A & M University researchers have been undertaking for the past five years in a project called "Noah's Ark". Noah's Ark is aimed at collecting eggs, e...
[ "make efforts to clone the endangered pandas", "save endangered animals from dying out", "collect DNA of endangered animals to study", "transfer the nuclear of one animal to another" ]
B
MMLU_train
Energy transfer between what kinds of levels is generally rather inefficient?
[ "trophic", "producer", "apex", "secondary" ]
A
55.3 Energy transfer between trophic levels is typically only 10% efficient.
SCiQ_train
Like many other small boys, I was fascinated by cars, not least because my oldest brother was a bit of a car guy and subscribed to cool magazines like Car and Driver and Motor Trend. Every so often, one of those magazines would run an article on the "Car of the Future". They featured unconventional styling and things l...
[ "They are in need of further improvement.", "They are going to disappear gradually.", "They kill people instead of protecting them in low-speed collisions.", "They are a standard feature of European cars." ]
A
MMLU_train
When Debbie Parkhurst choked on a piece of apple at her Maryland home, her dog jumped in, landing hard on her chest and forcing the piece of apple to pop out of her throat. Debbie Parkhurst's husband, Kevin, was at his job at a Wilmington, Del., chemical firm when she took a midday break from jewelry and bit into an ap...
[ "works in a Wilmington, Del.,chemical firm", "was making jewelry when she had the accident", "might have died but for her pet's help", "was unconscious when her pet found her" ]
C
MMLU_train
Millilters mL is a unit generally used for values between 1 and 1000 to measure
[ "the space inside a container", "the height of a container", "the weight of a container", "the length of a container" ]
A
MMLU_train
If John invested $ 1 at 4 percent interest compounded annually, the total value of the investment, in dollars, at the end of 4 years would be
[ "1 + 4(0.05)", "(1.05)^4", "(1.5)^4", "1 + (0.04)^4" ]
B
In this prompt, the answer choices show that we don't actually have to calculate anything - we just need to 'format' the calculation correctly. We're told that the interest is COMPOUNDED ANNUALLY, so we need the Compound Interest Formula, with a Principal of $1, an R of 5% (which would 'translate' as .05) and a T of 4....
AquaRat_train
Wouldn't it be great if you could just look up at the sky and read the weather forecast right away? Well, you can. The forecast is written in clouds. If you can read that writing, you can tell something about the atmosphere. With some practice, you can become a pretty good weather forecaster. Who knows, you might even ...
[ "with some simple practice looking up at the sky", "with the help of the high-speed computers", "through complex instruments", "by visiting a weather station" ]
A
MMLU_train
What is the sum total of all body reactions?
[ "respiration", "growth", "metabolism", "immunity" ]
C
Water is an essential part of most metabolic processes within organisms. Metabolism is the sum total of all body reactions, including those that build up molecules ( anabolic reactions ) and those that break down molecules ( catabolic reactions ). In anabolic reactions, water is generally removed from small molecules i...
SCiQ_train
It takes Avery 3 hours to build a brick wall while Tom can do it in 5 hours. If the two start working together and after an hour Avery leaves, how much time will it take Tom to complete the wall on his own?
[ "120", "140", "110", "100" ]
B
Avery takes 3 hours Tom takes 2 hours Efficiency of Avery is 1/3 units/hr Efficiency of Tom is 1/5 units/hr Combined efficiency of Tom and Avery is 1/3 +1/5 = 8/15 units/hr Since they worked for 1 hour they completed 8/15 units of work and 7/15 units of work is left which is to be completed by Tom ( Since Avery left ) ...
AquaRat_train
A student observed a sample of water in three states of matter. The student should describe the liquid water as a state of matter that has
[ "more kinetic energy than the solid state.", "more mass than the solid state.", "less kinetic energy than the solid state.", "less volume than the solid state." ]
A
MMLU_train
The sun comes up in the east and goes down in the west. When the sun rises, It is morning. When the sun sets, it is evening. When the sun is shining, it is day. Morning is the time between sunrise and twelve o'clock, or between sunrise and lunch. At twelve o'clock, the sun is the highest in the sky over our heads. The ...
[ "west;east", "south;north", "east;west", "north;south" ]
C
MMLU_train
In many countries, heart disease kills a lot of women and even more men. There are four major causes of this disease and these are smoking, poor or bad diet, a family history of heart disease and stressful work. Among these main wrong-doers, the most common cause is stress. What is stress and how do you feel when you a...
[ "most men", "more men than women", "more women than men", "both men and women" ]
B
MMLU_train
What is aggravated by practices such as logging, mining, construction, and paving surfaces?
[ "water pollution", "seismic activity", "global warming", "soil erosion" ]
D
Logging, mining, construction, and paving surfaces are some of the ways that soil erosion increases.
SCiQ_train
Which organism likely contains chlorophyll?
[ "bamboo", "pandas", "protozoa", "humans" ]
A
MMLU_train
The language used by scientists to explain complex ideas can be difficult and sometimes even boring. The language, with its Latin words and long scientific terms, could be one reason some people avoid learning about science, especially children. American Danielle Dixson is a marine biologist. She wants to make science ...
[ "She's targeted at breaking down unhealthy coral reefs.", "Coral reefs can shelter many fishes around.", "The videos she made served the local community well.", "Children there helped her a lot to accomplish books." ]
B
MMLU_train
In promising to fuse media as diverse as television, telephone communication, video games, music and data transmission, the era of digital convergence goes better than yesterday's celebrated "information superhighway." Yet achieving this single technology is far from straightforward. There are currently three major tel...
[ "It is the Internet system affected by long, uncertain response times.", "It is the way of business operation driven by user demands.", "It is the technology to send information to passive users.", "It is a way to blend one-way television with interactive Internet." ]
B
MMLU_train
Thousands of dead red-winged blackbirds fell from the sky in an Arkansas town on New Year's Eve after massive injuries, tests by Arkansas officials concluded on Monday. Some 5,000 birds mysteriously fell from the sky in Beebe, Arkansas after dark on New Year's Eve. "The birds suffered from acute physical injuries leadi...
[ "Internal hemorrhage", "Fireworks", "Lightning weather", "Murder" ]
D
MMLU_train
Thirty years ago, Lake Ponkapog in Hartwell, New Jersey, was full of life. Many birds and animals lived beside the water, which was full of fish. Now there are few birds, animals, and fish. The lake water is polluted. It is in a colour of dirty brown, and it is filled with strange plants. How did this happen? First, we...
[ "forests", "rain", "birds", "fish" ]
A
MMLU_train
Pulleys are generally used to do what with objects?
[ "lift", "pack", "wrap", "clean" ]
A
A pulley is a simple machine that consists of a rope and grooved wheel. The rope fits into the groove in the wheel, and pulling on the rope turns the wheel. Pulleys are generally used to lift objects, especially heavy objects. The object lifted by a pulley is called the load. The force applied to the pulley is called t...
SCiQ_train
A robot is a computer-controlled machine that is programmed to move and handle objects. Robots are able to perform repetitive tasks more quickly, cheaply, and accurately than humans. In 1995, about 700,000 robots were used-including over 500,000 in Japan, about 120,000 in Western Europe, and about 60,000 in the Unite...
[ "Future robotic technology might cause dangers.", "Future robotic technology might make people too clever.", "Future robotic technology might help to do all dangerous jobs.", "Future robotic technology might not survive because of its shortage of energy." ]
A
MMLU_train
If you've ever seen the way dog people interacted with their pets, it comes as no surprise that there's some germ-exchanging going on there. A new study indicates that dog ownership specifically may be one of the biggest single contributors to what kinds of microbes live on your skin. A team of researchers led by Se Ji...
[ "some kinds of bacteria live on our skin because of dog ownership.", "nobody finds it surprising that there should be some germ-exchanging between dogs and their owners.", "only dog ownership contributes to the sort of microbes that live on our skin.", "there would most probably be no microbe on our skin if i...
A
MMLU_train
In a camp, there is a meal for 160 men or 200 children. If 150 children have taken the meal, how many men will be catered to with the remaining meal ?
[ "40 men", "38 men", "None of these", "34 men" ]
A
Explanation: There is meal for 200 children. 150 children have taken the meal. Remaining meal is to be catered to 50 children. Now, 200 children = 160 men So, 50 Children = 160/200 * 50 = 40 men Answer: D
AquaRat_train
Find the roots of quadratic equation: x2 + x - 42 = 0?
[ "-7, 6", "14, -3", "-6, 7", "-8, 7" ]
A
x2 + 7x - 6x + 42 = 0 x(x + 7) - 6(x + 7) = 0 (x + 7)(x - 6) = 0 => x = -7, 6 ANSWER:D
AquaRat_train
Which state of matter lacks a fixed volume, fixed shape, and consists of charged particles?
[ "isotopes", "ions", "atoms", "electrons" ]
B
Plasma is a state of matter that lacks a fixed volume and a fixed shape and consists of charged particles called ions. Because it consists of charged particles, plasma can conduct electricity and respond to a magnetic field.
SCiQ_train
At a weightlifting competition, two competitors lifted the same weight to the same height. The second competitor accomplished the lift 2 seconds faster than the first competitor. This demonstrated that the second competitor had more
[ "energy than the first.", "inertia than the first.", "power than the first.", "work than the first." ]
C
MMLU_train
What is the most useful quantity for counting particles?
[ "the periodic table", "the mole", "the vector", "the coefficient" ]
B
The most useful quantity for counting particles is the mole. So if each coefficient is multiplied by a mole, the balanced chemical equation tells us that 1 mole of nitrogen reacts with 3 moles of hydrogen to produce 2 moles of ammonia. This is the conventional way to interpret any balanced chemical equation.
SCiQ_train
Over several years, a scientist successfully isolates a species of flower for white color. This year, when the new generation of flowers blooms, one yellow flower is found in the population. Which is the best reason for the appearance of a new flower color within the species?
[ "adaptation", "replication", "genetic mutation", "homologous recombination" ]
C
MMLU_train
The perimeter of a polygon with sides of integer length is 45. If the smallest side of the polygon is 5 and the longest side of the polygon is 10, then the number of sides could be any number from
[ "5 to 9", "6 to 8", "5 to 8", "5 to 7" ]
C
The sum of the length of the remaining sides must be 45 - (5 + 10) = 30. We can have 5-sided polygon {5,10, 10, 10,10} (we cannot increase the length of any side to reduce the number of sides); We can have 6-sided polygon {5,5, 5, 10, 10,10}; We can have 7-sided polygon {5,5, 5, 5, 5, 10,10}; We can have 8-sided polygo...
AquaRat_train
|13 - 3| - |4 - 10| = ?
[ "3", "0", "4", "2" ]
C
|13 - 3| - |4 - 10| = | 10 | - | -6 | = 10 - 6 = 4 correct answer E
AquaRat_train
A certain box has 11 cards and each card has one of the integers from 1 to 11 inclusive. Each card has a different number. If 2 different cards are selected at random, what is the probability that the sum of the numbers written on the 2 cards is less than the average (arithmetic mean) of all the numbers written on the ...
[ "5/66", "4/55", "1/11", "2/11" ]
B
The average of the numbers is 6 The total number of ways to choose 2 cards from 11 cards is 11C2 = 55. The ways to choose 2 cards with a sum less than the average are: {1,2},{1,3},{1,4},{2,3} The probability is 4/55 The answer is D.
AquaRat_train
What is it called when one or more ending digits are dropped to get the correct number of significant figures?
[ "basing", "turning", "scientific notation", "rounding" ]
D
Rounding is done when one or more ending digits are dropped to get the correct number of significant figures. Simple rules state when to round up and when to round down.
SCiQ_train
A textile manufacturing firm employees 56 looms. It makes fabrics for a branded company. The aggregate sales value of the output of the 56 looms is Rs 5,00,000 and the monthly manufacturing expenses is Rs 1,50,000. Assume that each loom contributes equally to the sales and manufacturing expenses are evenly spread over ...
[ "10000", "6250", "13000", "None of these" ]
B
Explanation : Profit = 5,00,000−(1,50,000+75,000) =Rs. 2,75,000. Since, such loom contributes equally to sales and manufacturing expenses. But the monthly charges are fixed at Rs 75,000. If one loan breaks down sales and expenses will decrease. New profit :- =>500000×(55/56)−150000×(55/56)−75000. =>Rs 2,68,750 ...
AquaRat_train
How many prime numbers between 1 and 100 are factors of 7,150?
[ "Three", "Four", "Two", "One" ]
B
Make prime factorization of 7,150 --> 7,150=2*5^2*11*13. So 4 prime numbers between 1 and 100 (namely 2, 5, 11, and 13) are factors of 7,150 (you shouldn't count one prime factor twice). Answer: D.
AquaRat_train
An old couple was having problems remembering things, so they decided to go to their doctor to makesurenothing was wrong with them. When they arrived at the doctor's, they explained to the doctor about the problems they were having with their memory. After checking the couple out, the doctor told them that they were ph...
[ "still had something wrong with their memory after seeing the doctor", "had poor health, so they went to see their doctor", "obeyed their doctor's advice and carried it out successfully", "got theirmemoryimproved after seeing the doctor" ]
A
MMLU_train
The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 8 years ago was 20 years. The present age of the husband is:
[ "60 years", "34 years", "30 years", "20 years" ]
B
D 34 years Sum of the present ages of husband, wife and child = (27 x 3 + 3 x 3) years = 90 years. Sum of the present ages of wife and child = (20 x 2 + 8 x 2) years = 56 years. Husband's present age = (90 - 56) years = 34 years.
AquaRat_train
Mrs Smith is going shopping with her son.They are looking for presents for Mr Smith's birthday.They drive to the shop mall on Baker Street. Mrs Smith goes to the Electrical Shop on the third floor. When the woman gets to the counter,she finds the camera she wants to buy is sold out.She finds another kind of camera,but...
[ "The Men's Clothing Shop.", "The Women's Clothing Shop.", "The Camera Shop.", "The Electrical Shop." ]
D
MMLU_train
The average weight of 8 persons increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person ?
[ "80 kg", "95 kg", "70 kg", "85 kg" ]
D
Explanation: Total weight increased = (8 x 2.5) kg = 20 kg. Weight of new person = (65 + 20) kg = 85 kg. Answer: D
AquaRat_train
What combines with rain to form acid rain?
[ "compost and sulfur oxides", "nitrogen and sulfur oxides", "carbon dioxide and sulfur oxides", "suction and sulfur oxides" ]
B
Courtesy of the U. S. EPA. Nitrogen and sulfur oxides combine with rain to form acid rain . Public Domain.
SCiQ_train
For medical students, real experience begins not in a classroom but at a teaching hospital. These doctors in training are guided. But sometimes accidents happen and the students get injured. For example, they might stick themselves with a needle while treating patients. Such needle sticks are common. But a recent study...
[ "In an entertainment magazine", "In a science magazine", "In a storybook", "In science fiction" ]
B
MMLU_train
Fish have a circulatory system with a two-chambered what?
[ "brain", "heart", "lung", "stomach" ]
B
Fish have a circulatory system with a two-chambered heart. Their digestive system is complete and includes several organs and glands. Jawed fish use their jaws and teeth to grind up food before passing it to the rest of the digestive tract. This allows them to consume larger prey.
SCiQ_train
A bag contains 12 white and 18 black balls. 2balls are drawn in succession. What is the probability that first is white and second is black?
[ "25/145", "36/145", "23/121", "21/141" ]
B
The probability that first ball is white: =12C130C1=12C130C1 =1230=1230 =25=25 Since, the ball is not replaced; hence the number of balls left in bag is 29. Hence, the probability the second ball is black: =18C129C1=18C129C1 =1829=1829 Required probability, =(25)×(1829)=(25)×(1829) =36/145 B
AquaRat_train
Look closely at ,your hands-are they clean? It doesn't matter how many times you was your hands. They're still crowded with microbes, which are also called "germs" or "bacteria". Microbes are everywhere. But don't worry-most microbes don't harm you. and many actually help you stay alive. Now, scientists say the micro...
[ "your microbes may give you away", "scientists will come to a clear conclusion soon", "many scientists think microbe fingerprints useless", "the microbe fingerprint has been used in many cases" ]
A
MMLU_train
What causes a lot of geological activity on the earth?
[ "plate tectonics", "weather", "natural selection", "landslides" ]
A
Plate tectonic processes explain why we see many types of geological activity where we do. Stresses build up in some locations. These stresses may cause folding or faulting. Earthquakes strike along all three types of plate boundaries. The most damaging earthquakes are shallow focus. People in earthquake-prone regions ...
SCiQ_train
In some species, what has led to the evolution of alternative male mating behavior and morphology?
[ "sexual selection", "sexual process", "similar selection", "distributive selection" ]
A
SCiQ_train
What do craters and rifts become when they fill with water?
[ "streams", "lakes", "seas", "rivers" ]
B
Left: Indrik myneur; Right: Courtesy of UNEP/GRID. Craters and rifts become lakes when they fill with water . Left: CC BY 2.0; Right: Non-copyrighted and available for free use.
SCiQ_train
Trees grow growth-rings one time each year; so which of these is correct?
[ "a tree with nine rings is nine years old", "a tree with six rings is seven years old", "a tree with eight rings is five years old", "telling how old a tree is is impossible based on rings" ]
A
MMLU_train
The number which exceeds 12% of it by 52.8 is:
[ "77", "26", "60", "91" ]
C
Explanation: Let the number be x. Then, x – 12% of x = 52.8 x – (12/100)x = 52.8 x (1– 12/100) = 52.8 (88/100)x = 52.8 x = (100 X 52.8) / 88 = 60 ANSWER: A
AquaRat_train
A turbine that spins a generator will produce?
[ "electricity", "solar energy", "magnetic fields", "light" ]
A
You can follow the operation of an electricity-generating fission reactor in the image above. The reactor core is submerged in a pool of water. The heat from the fission reaction heats the water, which is pumped into a heat exchange container. There the heated water boils the water in the heat exchanger. The produced s...
SCiQ_train
The letters O,L and T are rearranged to form the word 'Lot'. Find its probability.
[ "1/4", "1/8", "1/6", "1/12" ]
C
Explanation : There are total 3 letters. The probability that O gets the first position is 1/3. Likewise, probability for L and T are 1/2 and 1/1. Hence, the required probability is:- => (1/3) x (1/2) x 1. => 1/6. Answer : E
AquaRat_train
Spring peepers are found in wooded areas and grassy lowlands near pools in the central and eastern parts of Canada and the United States. These loud animals are rarely seen, but as temperatures begin to rise in March and April, the males certainly are heard. Their peep...peep... peep creates an other-worldly whistling ...
[ "They prefer to live in the dry areas in North America.", "They are the first animals to make sounds in spring.", "They can live both in water and on land.", "They are active during the cold months of the year." ]
C
MMLU_train
The phenomenon is becoming more and more popular that human beings have developed a closely relationship with the most dangerous of animals-Kevin Richardson treats lions like kitty cats,Andre Hartman has a special bond with Great White Sharks and now there is 79year old Werner Freund who has spent the last 40 years of ...
[ "peacefully", "respectfully", "fearfully", "fondly" ]
B
MMLU_train
Banging on a drum is an example of which type of energy?
[ "mechanical", "solar.", "potential", "molecular" ]
A
SCiQ_train
Who Owns the Moon? Within the next ten years, the U. S., China, Israel, and a crowd of private companies plan to set up camp on the moon. So if and when they plant a flag, does _ give them property rights? A NASA working group hosted a discussion this week to ask: Who owns the moon? The answer, of course, is no use. Th...
[ "encourage private groups to land on the moon", "help NASA host a discussion about land rush on the moon", "help some developing countries to complete their lunar projects", "reward some countries or private groups which haven't stepped on the moon" ]
A
MMLU_train
Amphibians are ectothermic vertebrates that divide their time between freshwater and what else?
[ "saltwater", "arboreal habitats", "deserts", "terrestrial habitats" ]
D
Amphibians are ectothermic vertebrates that divide their time between freshwater and terrestrial habitats. They are the first true tetrapods, or vertebrates with four limbs. Amphibians breathe with gills as larvae and with lungs as adults. They have a three-chambered heart and relatively complex nervous system.
SCiQ_train
A diploid cell contains two sets of what?
[ "neutrons", "atoms", "chromosomes", "ribosomes" ]
C
The surface of Venus is shrouded by thick clouds. Radar images show a complex surface. There are volcanoes and craters like those found on other planets and moons. The surface is not nearly as complex as the surface of Earth.
SCiQ_train
10, 14, 16, 18, 21, 24, 26
[ "26", "17", "25", "21" ]
D
Each of the numbers except 21 is an even number ANSWER :C
AquaRat_train
A smile will tell people around you that you are a kind and friendly person. However,many people don't smile because they think they ugly teeth. For example, one of my classmates, Mile, doesn't have very nice teeth,so thatis why he seldom opens his mouth.he even says that he has lost cofidence because of his teeth.So i...
[ "not smile often", "laugh all the time", "neiter smile nor laugh", "smile and even laugh often" ]
D
MMLU_train
During labor, what do contractions of the muscular walls of the uterus cause?
[ "excretion", "spontaneous abortion", "premature birth", "cervical dilation" ]
D
Near the time of birth, the amniotic sac breaks in a gush of fluid. Labor usually begins within a day of this event. Labor involves contractions of the muscular walls of the uterus, which cause the cervix to dilate. With the mother’s help, the contractions eventually push the fetus out of the uterus and through the vag...
SCiQ_train
What has more mass than the moon?
[ "your home planet", "Skylab", "the Atlantic ocean", "pluto" ]
A
MMLU_train
12.1212+17.0005 - 9.1104 = ?
[ "20.1015", "20.0015", "None", "20.0113" ]
D
Solution Given expression =(12.1212+17.0005)-9.1104 = (29.1217 - 9.1104) =20.0113. Answer C
AquaRat_train
What determines the ability of soil particles to bind many nutrients?
[ "surface pulses", "currents charges", "layer charges", "surface charges" ]
D
SCiQ_train
What do tube worms rely on for food?
[ "fatty microorganisms", "lentiviruses microorganisms", "sponges microorganisms", "chemosynthetic microorganisms" ]
D
These brilliant red “feathers” are actually animals called tube worms. They live in an extreme environment on the deep ocean floor, thousands of meters below the water’s surface. Their world is always very cold and completely dark. Without sunlight, photosynthesis is not possible. So what do organisms eat at these dept...
SCiQ_train
A and B together have Rs. 1210. If 4/15 of A's amount is equal to 2/5 of B's amount, how much amount does B have?
[ "Rs. 764", "Rs. 664", "Rs. 484", "Rs. 460" ]
C
Explanation: 4/15A=2/5B A=(2/5X15/4)B A/B=3/2 A:B=3:2 B's share = Rs.(1210X2/5)= Rs. 484. ANSWER IS B
AquaRat_train
Which scientist is known for his genetics experiments with pea plants?
[ "Charles Darwin", "Gregor Mendel", "Carolus Linnaeus", "Robert Hooke" ]
B
MMLU_train
Some plants, like redwood trees, may live for thousands of years. Some plants, like the black-eyed Susan wildflower, may only live a few weeks. What would these plants most likely have in common in order to survive?
[ "using cones for spreading seeds", "a successful way to reproduce", "the ability to live in the desert", "thorns to keep away animals" ]
B
MMLU_train
A school’s annual budget for the purchase of student computers increased by 38% this year over last year. If the price of student computers increased by 20% this year, then the number of computers it can purchase this year is what percent greater than the number of computers it purchased last year?
[ "20%", "15%", "10%", "16%" ]
B
Lats year: budget = $100, price = $1 --> the number of computers purchased = 100/1 = 100; This year: budget = $138, price = $1.2 --> the number of computers purchased = 138/1.2 = 115. Increase in the number of computers purchased = 15%. Answer: C.
AquaRat_train
Flashlights
[ "illuminate a person's age", "need remote controls to properly operate", "make it easier to spot cat toys under the couch", "make word searches easier" ]
C
MMLU_train
What is the name for the tiny air sacs at the end of bronchioles?
[ "alveoli", "vacuoles", "gills", "ganglion" ]
A
Finally, air passes from the bronchi into smaller passages called bronchioles. The bronchioles end in tiny air sacs called alveoli.
SCiQ_train
The common cold is the world's most widespread illness, which is plagues that flesh receives. The most widespread fallacy of all is that colds are caused by cold. They are not. They are caused by viruses passing on from person to person. You catch a cold by coming into contact, directly or indirectly, with someone wh...
[ "they are working in the isolated arctic regions", "they are writing reports in terribly cold weather", "they are free from work in the isolated arctic regions", "they are coming into touch again with the outside world" ]
D
MMLU_train
What do we call the amount of time a substance is stored in a reservoir?
[ "residence time", "presence time", "storage time", "latency" ]
A
A substance is stored in a reservoir. The amount of time it stays in that reservoir is its residence time.
SCiQ_train
Like animals, protozoa are heterotrophic and capable of what?
[ "creating", "working", "moving", "pushing" ]
C
Like animals, protozoa are heterotrophic and capable of moving.
SCiQ_train
What occurs when two nonpolar liquids are mixed?
[ "polar-nonpolar interactions", "nonpolar-nonpolar interactions", "sediment - nonpolar interactions", "refracted - nonpolar interactions" ]
B
Nonpolar-nonpolar interactions occur when two nonpolar liquids are mixed. An example of this is the interaction between toluene and octane (see Figures above and below ). The interactions between a molecule of toluene and a molecule of octane are relatively weak, but so are the toluene-toluene and octane-octane interac...
SCiQ_train
Find the amount on Rs.8000 in 9 months at 20% per annum, if the interest being compounded quarterly?
[ "Rs.9261", "Rs.9164", "Rs.1261", "Rs.9621" ]
A
A = 8000(21/20)3 = 9261 ANSWER:B
AquaRat_train
A train 510 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?
[ "14", "40", "52", "21" ]
C
Speed = 45 * 5/18 = 25/2 m/sec Total distance covered = 510 + 140 = 650 m Required time = 650 * 2/25 = 52 sec Answer:B
AquaRat_train
A bag contains 8 red and 5 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
[ "5/7", "2/3", "4/7", "1/4" ]
C
Total number of balls = 8+6 = 14 number of white balls = 8 Probability = 8/14 = 4/7 Answer is A
AquaRat_train
We go shopping on Sunday. I often go to the supermarket with my mother on Sunday morning. Father likes fruit very much. We buy some bananas for him. Mother likes red apples, but the apples in the supermarket are green. We don't buy them. The strawberries are very nice. Mother likes them very much and buys some for...
[ "I", "Father", "Mother", "I don't know." ]
C
MMLU_train
Half the people on a bus get off at each stop after the first, and no one gets on after the first stop. If only one person gets off at stop number 5, how many people got on at the first stop?
[ "8", "32", "16", "128" ]
C
7 - > 1 6 - > 2 5 - > 4 4 - > 8 3 - > 16 2 - > 32 1 - > 64 because people get off after the first stop => the formula will be : 2^(n-1) where n is the stop number in this case n = 5 => 2^(5-1) = 2^4 = 16 => answer is D
AquaRat_train
dry wood easily what?
[ "scorches", "freezes", "evaporates", "melts" ]
A
MMLU_train
Some isotopes are stable indefinitely, while others are radioactive and do what through a characteristic form of emission?
[ "replicate", "decay", "bond", "expand" ]
B
Whether or not a given isotope is radioactive is a characteristic of that particular isotope. Some isotopes are stable indefinitely, while others are radioactive and decay through a characteristic form of emission. As time passes, less and less of the radioactive isotope will be present, and the level of radioactivity ...
SCiQ_train
What term is used to describe animals with three germ layers?
[ "sporozoans", "triplegerm", "triploblasts", "multilayer" ]
C
Watch this video (http://openstaxcollege. org/l/symmetry2) to see a quick sketch of the different types of body symmetry. Layers of Tissues Most animal species undergo a layering of early tissues during embryonic development. These layers are called germ layers. Each layer develops into a specific set of tissues and or...
SCiQ_train
One student wrote a report about an investigation in which fertilizer was added to tomato plants. Which information from that student's report would most help a second student repeat the investigation?
[ "the amount of fertilizer added", "the height of the fertilized plants", "the size of each tomato produced", "the number of tomatoes produced" ]
A
MMLU_train
Frogs lay eggs that develop into tadpoles and then into adult frogs. This sequence of changes is an example of how living things
[ "go through a life cycle", "form a food web", "act as a source of food", "affect other parts of the ecosystem" ]
A
MMLU_train
Statements: Government has spoiled many top ranking financial institutions by appointing bureaucrats as Directors of these institutions. Assumptions: 1) Government should appoint Directors of the financial institutes taking into consideration the expertise of the person in the area of finance. 2) The Director of the fi...
[ "Only conclusion II follows", "Both I and II follow", "Either I or II follows", "Neither I nor II follows" ]
B
According to the statement, Government has spoiled financial institutions by appointing bureaucrats as Directors. This means that only those persons should be appointed as Directors who are experts in finance and are acquainted with the financial work of the institute. So, both I and II follow. E
AquaRat_train
Of the four numbers, whose average is 60, the first is one-fourth of the sum of the last three. The first number is
[ "10", "48", "87", "27" ]
B
Explanation: Let the first number be x, Then, sum of the four numbers = x + 4x = 5x. so, 5x/4 = 60 or x = (60 * 4) / 5 = 48. Answer: D) 48
AquaRat_train
If an item that originally sold for t dollars was marked up by r percent and then discounted by s percent, which of the following expressions represents the final price of the item?
[ "(10,000t + 100t(s – r) – rst)/10,000", "(10,000t + 100t(r – s) – rst)/10,000", "(100t(s – r) – rst)/10000", "(100t(r – s) – rst)/10000" ]
B
Assume t=100, r=10, s=10. So final price is 99. Now put these value each option. Only option A will give right answer.
AquaRat_train
How many meters are there in 550 centimeters?
[ "5.5 meters", "100 meters", "1 meter", "550 meters" ]
A
Solution: 1 meter = 100 centimeters Just divide 550 by 100 550 ÷ 100 = 5.5, so there are 5.5 meters in 550 centimeters Option B
AquaRat_train
Mohan purchased 15 kgs of rice at the rate of Rs.26 per kg and 15 kgs of pulses at the rate of Rs.26 per kg. Whaat is the total amount that he paid to the shopkeeper?
[ "A)Rs.780", "None of these", "C)Rs.700", "D)Rs.595" ]
A
Explanation: Price of 15 kgs of rice at Rs.26/kg = 15x26 = Rs.390 Price of 15 kgs of pulses at Rs.26/kg = 15x26 = Rs.390 Therefore, Total amount = Rs.390+Rs.390 = Rs.780 Answer: Option A
AquaRat_train
A number x is multiplied by 7, and this product is then divided by 3. If the positive square root of the result of these two operations equals x, what is the value of x if x≠0 ?
[ "9/25", "5/3", "25/9", "7/3" ]
D
sqrt(7x/3) to be perfect square x has to 7/3 Ans: B
AquaRat_train
We've talked about snails and their slow move. But much of the time snails don't move at all. They're in their shells ---sleeping . Hot sun will dry out a snail's body. So at the least sign of hot sun, a snail draws its body into its shell and closes the opening with a thin cover. Then it goes to sleep. A snail will ...
[ "it feels hungry", "it is put in a paper box", "spring is coming", "it rains heavily" ]
D
MMLU_train
What explains the spherical shape of ceres, once thought to be the largest asteroid?
[ "high gravity", "space debris", "low gravity", "orbital plane" ]
A
Ceres ( Figure below ) is a rocky body that orbits the Sun. It could be an asteroid or a planet. Before 2006, Ceres was thought to be the largest asteroid. Is it an asteroid? Ceres is in the asteroid belt. But it is by far the largest object in the belt. Ceres has such high gravity that it is spherical.
SCiQ_train
What term refers to the breaking stress that will cause permanent deformation or fracture of a material?
[ "viscosity", "elasticity", "malleability", "tensile strength" ]
D
makes it clear that the deformation is proportional to the applied force. Figure 5.13 shows the Hooke’s law relationship between the extension ΔL of a spring or of a human bone. For metals or springs, the straight line region in which Hooke’s law pertains is much larger. Bones are brittle and the elastic region is smal...
SCiQ_train