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What type of motion only occurs when there is one force applied at the beginning of the trajectory after which there is no interference apart from gravity?
[ "projectile", "velocity", "propellant", "thrust" ]
A
projectile motion: A form of motion where a particle (called a projectile) is thrown obliquely near the earth's surface, & it moves along a curved path under the action of gravity. The path followed by a projectile motion is called its trajectory. Projectile motion only occurs when there is one force applied at the beg...
SCiQ_train
As a boy, Sanders was much influenced by books about the sea, but by the age of fifteen he had decided to become a doctor rather than a sailor. His father was a doctor. So he was often with the doctors and got along very well with them. When he was fourteen, he was already hanging around the hospital where he was suppo...
[ "worked as a doctor in the hospital", "got along well with the patients", "was interested in talking with doctors and patients", "helped to clean the medicine bottles in the hospital" ]
D
MMLU_train
Latitude, humidity, and elevation affect the type of what, a term for a large naturally occurring community?
[ "ecosystem", "climate", "biome", "territory" ]
C
Factors affecting biome type include latitude, humidity, and elevation.
SCiQ_train
Which type of joints do not allow any movement of the bones?
[ "linked", "fixed", "attached", "fitted" ]
B
The skull has fixed joints. Fixed joints do not allow any movement of the bones, which protects the brain from injury.
SCiQ_train
If the probability that Stock A will increase in value during the next month is 0.54, and the probability that Stock B will increase in value during the next month is 0.68. What is the greatest value for the probability that neither of these two events will occur? A. B. C. D. E.
[ "0.37", "0.32", "0.46", "0.63" ]
B
This would be a different question if we knew the probabilities were independent --- that is, any increase in Stock A would tell you nothing about whether or not Stock B increased, and vice versa. If the question guaranteed that, then probability P(not A *and* not B) = P(not A)*P(not B) = (1 - 0.54)*(1 - 0.68) = (0.46)...
AquaRat_train
What shape is the colony of a volvox cell?
[ "coil-shaped", "tubular", "pyramid", "hollow ball shaped" ]
D
Volvox Colony. Volvox cells live in a colony shaped like a hollow ball. The cells of the colony may be connected by strands of cytoplasm and can function together. For example, the whole colony can swim from one place to another as one.
SCiQ_train
Alok ordered 16 chapatis, 5 plates of rice, 7 plates of mixed vegetable and 6 ice-cream cups. The cost of each chapati is Rs.6, that of each plate of rice is Rs.45 and that of mixed vegetable is Rs.70. The amount that Alok paid the cashier was Rs.1081. Find the cost of each ice-cream cup?
[ "66", "45", "77", "99" ]
B
Let the cost of each ice-cream cup be Rs.x 16(6) + 5(45) + 7(70) + 6(x) = 1081 96 + 225 + 490 + 6x = 1081 6x = 270 => x = 45. Answer: E
AquaRat_train
At an election 2 candidates are participated a candidate got 30% of votes and defeated by 5000 votes. 100 votes are invalid. Find the total polled votes?
[ "11520", "12600", "15000", "13560" ]
B
winners votes = 100-30 = 70% invalid votes = 100 polled votes = [(100*5000)/(2*70-100)]+100 = 12600 Answer is B
AquaRat_train
No one is glad to hear that his body has to be cut open by a surgeon and part of it taken out. Today, however, we needn't worry about feeling pain during the operation. The sick person falls into a kind of sleep, and when he awakes, the operation is finished. But these happy conditions are fairly new. It is not many y...
[ "felt nothing", "felt very comfortable", "still felt pain", "would die" ]
C
MMLU_train
What changes an ecosystem?
[ "sunbathing", "rock climbing", "extracting coal", "swimming" ]
C
MMLU_train
What kind of reaction is a reaction in which two or more substances combine to form a single new substance?
[ "combination reaction", "power reaction", "chemical reaction", "compounding reaction" ]
A
A combination reaction is a reaction in which two or more substances combine to form a single new substance. Combination reactions can also be called synthesis reactions. The general form of a combination reaction is:.
SCiQ_train
What do plants do to prevent water loss at night?
[ "close their stems", "close their leaves", "shed their petals", "open their petals" ]
B
Plants also detect and respond to the daily cycle of light and darkness. For example, some plants open their leaves during the day to collect sunlight and then close their leaves at night to prevent water loss. Environmental stimuli that indicate changing seasons trigger other responses. Many plants respond to the days...
SCiQ_train
If xy not equal 0 and x^2*y^2 -xy =56, which of the following could be y in terms of x? I. 1/2x II. -8/x III. 7/x
[ "III", "II and III", "I &II", "II" ]
B
x2y2 - xy = 56 x2y2-xy-56 = 0 (xy-7)(xy+8)=0 xy = 7 or xy=-8 y = 7/x or y = -8/x II and III only E
AquaRat_train
What type of scientists study the effects people have on their environment?
[ "ecological scientists", "environmental scientists", "integrated scientists", "biological scientists" ]
B
Environmental scientists study the effects people have on their environment. This includes the landscape, atmosphere, water, and living things. These scientists ask all sorts of questions about how Earth systems are changing as a result of human actions. They try to predict what changes will come in the future.
SCiQ_train
In an IT company, there are a total of 100 employees including 50 programmers. The number of male employees is 80, including 35 male programmers. How many employees must be selected to guaranty that we have 3 programmers of the same sex?
[ "65", "55", "10", "35" ]
B
You could pick 50 non-programmers, 2 male programmers, and 2 female programmers, and still not have 3 programmers of the same sex. But if you pick one more person, you must either pick a male or a female programmer, so the answer is 55. C
AquaRat_train
What are the extremely small particles that comprise all matter?
[ "atoms", "electrons", "protons", "ions" ]
A
All matter is composed of extremely small particles called atoms.
SCiQ_train
Value of (256)5/4
[ "1012", "525", "1024", "1048" ]
C
Explanation: =(256)5/4=(44)5/4=4(5)=1024 Option B
AquaRat_train
What biome is located between the temperate and tropical biomes?
[ "Desert", "Tropical", "subtropical", "mountainous" ]
C
Latitude means how far a biome is from the equator. Moving from the poles to the equator, you will find (in order) Arctic, boreal, temperate, subtropical, and tropical biomes.
SCiQ_train
Elite Lessons Experienced music performer is offering one-on-one drum lesson. As the winner of the Drummer Contest, the largest drummer contest in Canada, I can teach you secret techniques that only an elite group knows, but the group doesn't share them with the public. The result is instant improvement in your speed a...
[ "$14 an hour", "$15 an hour", "$19 an hour", "$25 an hour" ]
A
MMLU_train
Something in chocolate could be used to stop coughs and lead to more effective medicines, say UK researchers. Their study found that theobromine , found in cocoa, was nearly a third more effective in stopping coughs than codeine, which was considered the best cough medicine at present. The Imperial College London resea...
[ "cannot be as effective as codeine", "can be harmful to people's health", "cannot be separated from chocolate", "can be a more effective cure for coughs" ]
D
MMLU_train
Natural selection cannot create new variations in organisms - these new variations must be created by what, which are usually associated with some sort of abnormality?
[ "pollution", "mutation", "radiation", "infection" ]
B
Introduction All life on Earth is related. Evolutionary theory states that humans, beetles, plants, and bacteria all share a common ancestor, but that millions of years of evolution have shaped each of these organisms into the forms seen today. Scientists consider evolution a key concept to understanding life. Natural ...
SCiQ_train
Plant World Garden Centre is located between Torquay and Newton Abbot. The Garden is laid out to represent the five continents of the world. Our inspirational gardens contain countless rare and foreign plants seldom seen outside their native lands. Our Famous "Gardens of the World" It was designed , built and planted i...
[ "PS9", "PS6", "PS27", "PS12" ]
D
MMLU_train
If each day a tree loses half its remaining leaves, what fraction of its leaves will it have lost after 5 days ?
[ "15/16", "1/32", "31/32", "1/16" ]
C
At the end of each day, the tree has 1212 it's remaining leaves. If initially the tree has x leaves. After day 1: 1/2x After day 2: 1/2x∗1/2=1/^2 x and so on .... After day 5: 1/2^5x=1/32x So leaves lost = Initial amount of leaves - Leaves remaining = x−1/32x=31/32x Answer:E
AquaRat_train
What type of movement is caused by erosion from direct gravity?
[ "electron movement", "frictional movement", "mass movement", "normal movement" ]
C
Outline the forces that act on particles in the nucleus.
SCiQ_train
Each summer,you hear news that some sports players are sent to hospitals because it is too hot. Our bodies can't be outside in the sun for a long time. So in hot summers,be careful about playing sports outside. Firstly,to play sports safely in hot weather,you must drink water. Sports drinks are great for athletes,but t...
[ "eating habits in hot summers", "drinking more water in the heat", "sports safely in hot weather", "taking exercise in different periods" ]
C
MMLU_train
a man prpare the technical document it takes 2 hours for half an hour presentation and technical preparation. its screening takes 30 more minuts to prepare with the other guy.for to present a 7 half an hours how much time it will take
[ "37 hours", "35 hours", "37 1/2 hours", "34 hours" ]
C
here first 2 hours to prepare a technical document and half-an-hour to screen it ..so total 2 1/2 hour work is need to 1/2 hour presentation.... For 7 1/2 hours presentation... 1/2 hour presentation-------------->>2 1/2 hour work done 7 1/2 hr presentation --------------> x hours work done just do cross multiplication ...
AquaRat_train
In how many ways can 10 people line up at a ticket window of a railway station?
[ "33,44,800", "33,28,800", "None of these", "36,28,800" ]
D
The required number of ways = number of permutations of 10 people taking all 10 at a time. P(10, 10) = 10! = 10 x 9 × 8 x 7 x 6 × 5 x 4 x 3 × 2 x 1 = 36,28,800 ANSWER:A
AquaRat_train
One day, Annette wanted to make a birthday cake for her brother, Todd. She dug around in their white refrigerator and found she would need to go and buy eggs. She also needed to buy icing. Annette got on her pink bike and went to the grocery store. She asked the cashier to tell her what aisle the icing was on. Annett...
[ "2", "11", "14", "one" ]
C
MMLU_train
What is the source of precipitation?
[ "the atmosphere", "the sea", "clouds", "pollution" ]
A
The atmosphere is a crucial part of the water cycle. It is an important reservoir for water, and the source of precipitation.
SCiQ_train
Where might you find a live, breathing eagle?
[ "the moon", "in a thimble", "the woods", "a programming language" ]
C
MMLU_train
Cerebral palsy is a disease caused by injury to what organ as it is developing?
[ "brain", "skin", "liver", "heart" ]
A
Cerebral palsy is a disease caused by injury to the developing brain. The injury occurs before, during, or shortly after birth. Cerebral palsy is more common in babies that have a low weight at birth. But the cause of the brain injury is not often known. The disease usually affects the parts of the brain that control b...
SCiQ_train
a Punnett square is used to identify the percent chance of a trait being passed down from a parent to its what?
[ "home", "younglings", "animals", "pets" ]
B
MMLU_train
A group of bunnies move into a field and start to have litters of kits, and soon rabbits are all over the field, so the foxes that live six miles away
[ "relocate to the field", "eat all the bunnies", "find new food sources", "start to go hungry" ]
A
MMLU_train
In the Biotechnology class of 2000, there were W graduates. 32 of the graduates found a job, 45 continued on to their second degree and 13 did both. If only 9 people didn't do both, What is W equal to?
[ "75.", "76.", "71.", "73." ]
D
Total = 32 +45 -13 + 9 = 73 .... My first post on the forum... I hope I am correct C is correct choice.
AquaRat_train
A man went to see a doctor."Open your mouth,"the doctor said.Then 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,"the doctor said."I am the doctor,not you.I k...
[ "The postman sent letters on foot.", "The doctor had a walk in a park every day.", "The postman lived near a train station.", "The postman went to see the doctor on foot." ]
A
MMLU_train
Paperback: 264 pages Publisher:. Sams (March 29,2005) ISBN: 0672327627 Product Dimensions: 8.4x5.5x0.6 inches OVERVIEW This book offers straightforward practical answers when you need fast results. By working through each 10-minute lesson, you'll learn what you need to begin to use the PHP scripting language to make yo...
[ "$19.99 CAN.", "US$19.99", "The author doesn't tell us.", "$ 20." ]
A
MMLU_train
Dermal tissue covers the outside of a plant in a single layer of cells called what?
[ "cuticle", "the epidermis", "cambium layer", "scales" ]
B
Dermal tissue covers the outside of a plant in a single layer of cells called the epidermis . You can think of the epidermis as the plant’s skin. It mediates most of the interactions between a plant and its environment. Epidermal cells secrete a waxy substance called cuticle , which coats, waterproofs, and protects the...
SCiQ_train
What is a structure that consists of two or more types of tissues that work together to do the same job?
[ "cell", "organ", "organism", "organ system" ]
B
After tissues, organs are the next level of organization of the human body. An organ is a structure that consists of two or more types of tissues that work together to do the same job. Examples of human organs include the brain, heart, lungs, skin, and kidneys. Human organs are organized into organ systems, many of whi...
SCiQ_train
Basic Study Manual: $30 Future success depends on the ability to learn. Here are the answers to the questions most often asked by parents, teachers, business trainers and by students themselves. Read this book and learn: What the three barriers to study are and what to do about them. What to do if you get tired of a ...
[ "$65", "$80", "$90", "$130" ]
C
MMLU_train
The smallest cyclic ether is called what?
[ "quark", "peroxidase", "aldehyde", "epoxide" ]
D
The smallest cyclic ether is called an epoxide. Draw its structure.
SCiQ_train
The owner of a missing cat is asking for help. "My baby has been missing for over a month now, and I want him back so badly," said Mrs. Brown, a 56-year-old woman. Mrs. Brown lives by herself in a trailer park near Clovis. She said that Clyde, her 7-year-old cat, didn't come home for dinner more than a month ago. The n...
[ "More than a month", "More than two months", "More than three months", "It's been back." ]
A
MMLU_train
Which is the best way to maintain a strong, fit body?
[ "regular exercising", "a healthy diet", "being a vegetarian", "bodybuilding" ]
B
Athletics are very competitive these days at all levels, from school sports to the pros. Everybody is looking for that edge that will make them faster, stronger, more physically fit. One approach taken by many athletes is the use of amino acid supplements. The theory is that the increase in amino acids in the diet will...
SCiQ_train
Income and expenditure of a person are in the ratio 5 : 4. If the income of the person is Rs. 18000, then find his savings?
[ "3629", "3619", "3600", "3612" ]
C
Let the income and the expenditure of the person be Rs. 5x and Rs. 4x respectively. Income, 5x = 18000 => x = 3600 Savings = Income - expenditure = 5x - 4x = x So, savings = Rs. 3600. Answer:A
AquaRat_train
What term describes weathering that occurs as water expands when it freezes, wedging apart rock?
[ "cleavage", "chemical weathering", "erosion", "mechanical weathering" ]
D
form of mechanical weathering that occurs as water expands when it freezes, wedging apart rock.
SCiQ_train
What is the term for the temperature at which a solid changes into a liquid?
[ "the mixture point", "the starting point", "the pressure point", "the melting point" ]
D
The melting point is the temperature at which a solid changes into a liquid.
SCiQ_train
The process in which the nucleus divides is called what?
[ "mitosis", "meiosis", "cytokinesis", "epistasis" ]
A
In eukaryotic cells, the nucleus divides before the cell itself divides. The process in which the nucleus divides is called mitosis. Before mitosis occurs, a cell’s DNA is replicated. This is necessary so that each daughter cell will have a complete copy of the genetic material from the parent cell. How is the replicat...
SCiQ_train
If a diver surfaces too quickly, he may suffer the bends. Nitrogen dissolved in his blood is suddenly liberated by the reduction of pressure. The consequence, if the bubbles accumulate in a joint, is sharp pain and a bent body -- thus the name. If the bubbles form in his lungs or brain, the consequence can be dea...
[ "failed to evole an anti-decompression means", "grdually developed measures against the bends", "died out because of large sharks and crocodiles", "evoled an anti-decompression means but soon lost it" ]
A
MMLU_train
which of these is an accurate scenario?
[ "the sun traveling around the earth", "none of these", "the sun orbiting Mars", "the earth traveling around the sun" ]
D
MMLU_train
In what way do all vertebrates reproduce?
[ "mitosis", "sexually", "biologically", "asexually" ]
B
Vertebrates reproduce sexually, and almost all have separate male and female sexes. Aquatic species generally have external fertilization, whereas terrestrial species usually have internal fertilization. Vertebrates have one of three reproductive strategies, known as ovipary, ovovivipary, or vivipary.
SCiQ_train
What is the angle between the 2 hands of the clock at 8:24 pm?
[ "100°", "108°", "None of these", "107°" ]
B
Required angle = 240 – 24 × (11/2) = 240 – 132 = 108° Answer D
AquaRat_train
What is the dividend. divisor 19, the quotient is 7 and the remainder is 6
[ "137", "140", "138", "139" ]
D
D = d * Q + R D = 19 * 7 + 6 D = 133 + 6 D = 139
AquaRat_train
A science class is taking a field trip to a forest to observe and study birds. Which tool would be most helpful for observing birds?
[ "beakers", "binoculars", "safety goggles", "microscopes" ]
B
MMLU_train
It is vital to your health to have a
[ "good time", "jet ski", "plane", "colony of bacteria" ]
D
MMLU_train
A population of small, plant-eating beetles lives in a forest. About half of the beetles are light brown and the others are dark green. If years of drought cause the area to become dry with few trees, what would the beetle population most likely look like after several generations?
[ "It would be mostly light brown beetles.", "It would be mostly dark green beetles.", "It would be mostly carnivorous beetles.", "It would be mostly very large beetles." ]
A
MMLU_train
Mr. Smith is thirty one .He is tall and heavy , and he has short hair . He likes children and his job .He works at school and gives the children classes from Monday to Friday .He often has much work to do , but he often plays games with his students after school .All his students like him very much .On Sunday he driv...
[ "in his car", "on a bus", "on foot", "by bike" ]
A
MMLU_train
Early to bed, early to rise, makes a man healthy, wealthy and wise. This is an old English saying. Have you heard of it before? It means that we must go to bed early and get up early in the morning. Then we shall be healthy. We shall also be rich (wealthy) and clever (wise). This is true. The body must have enough slee...
[ "it makes him healthy", "he has a lot of homework to do", "he is strong enough", "he does exercise" ]
A
MMLU_train
If Sharon's weekly salary increased by 16 percent, she would earn $348 per week. If instead, her weekly salary were to increase by 25 percent, how much would she earn per week?
[ "$375", "$385", "$374", "$392" ]
A
(348/116)125 =375 In this case long division does not take much time. (348/116)=3 3*125=375(300+75) Answer E
AquaRat_train
Solid bedrock vibrates less and therefore does less of what to bedrock?
[ "block", "butress", "damage", "dampen" ]
C
Ground type. Solid bedrock vibrates less than soft sediments, so there is less damage on bedrock. Sometimes sediments become saturated with water. They then undergo liquefaction and become like quicksand ( Figure below ). Soil on a hillside may become a landslide.
SCiQ_train
The stomach mucosa’s epithelial lining consists only of surface mucus cells, which secrete a protective coat of what?
[ "bile mucus", "alkaline mucus", "phosphate mucus", "acidic mucus" ]
B
The stomach mucosa’s epithelial lining consists only of surface mucus cells, which secrete a protective coat of alkaline mucus. A vast number of gastric pits dot the surface of the epithelium, giving it the appearance of a well-used pincushion, and mark the entry to each gastric gland, which secretes a complex digestiv...
SCiQ_train
A particular library has 150 books in a special collection, all of which were in the library at the beginning of the month. These book are occasionally loaned out through an inter-library program. If, by the end of the month, 65 percent of books that were loaned out are returned and there are 108 books in the special c...
[ "100", "60", "40", "120" ]
D
The total number of books is 150. Let x be the number of books which were loaned out. 65% of books that were loaned out are returned. 35% of books that were loaned out are NOT returned. Now, there are 108 books, thus the number of un-returned books is 150-108 = 42 books. 0.35x = 42 x = 120 The answer is E.
AquaRat_train
Cell communication that occurs over short distances is known as what?
[ "contraposition signaling", "cell echo", "paracrine signaling", "hypersignaling" ]
C
Cells that are communicating may be right next to each other or far apart. In juxtacrine signaling , also known as contact-dependent signaling, two adjacent cells must make physical contact in order to communicate. Cell communication may also occur over short distances, which is known as paracrine signaling , or over l...
SCiQ_train
The length of a rectangular landscape is 8 times its breadth. There is a playground in it whose area is 1200 square mtr & which is 1/6rd of the total landscape. What is the length of the landscape?
[ "270", "240", "180", "340" ]
B
Sol. x * 8x = 6 * 1200 x = 30 Length = 8 * 30 = 240 E
AquaRat_train
Nearly all of today's Native Americans in North, Central and South America can trace their ancestry to just six women whose descendants immigrated around 20,000 years ago, a DNA study suggests. The finding does not mean that only these six women gave rise to migrants who crossed into North America from Asia in...
[ "The six mothers probably lived on the present islands in North America.", "Most Native Americans have got the DNA legacy passed from the six women.", "Beringian DNA was found in the women who originally immigrated to North America.", "The research was not accepted by the previous scientists because of its co...
B
MMLU_train
For the first time, researchers have discovered that some plants can kill insects in order to get additional nutrients. New research shows that they catch and kill small insects with their own sticky hairs near the roots and then absorb nutrients through their roots when the insects are killed and fall to the ground. P...
[ "evolution of species", "helps from other garden plants", "artificial cultivation", "nutrients preserved in rich soil" ]
A
MMLU_train
Hybrid cars are cars that run on petrol and electricity. They have a small standard petrol engine and a battery electric motor to provide electric power. There are some differences between different models of hybrid cars, but the general principle is that the car runs on petrol, and the electric motor kicks in when...
[ "show haw hybrid cars slow down", "encourage people to buy hybrid cars", "inform people a kind of energy-saving cars", "explain why hybrid cars use less energy" ]
C
MMLU_train
Which list is correctly ordered from smallest to largest?
[ "Biosphere, organism, ecosystem, population", "Community, organism, ecosystem, biosphere", "Organism, population, community, ecosystem", "Population, ecosystem, community, biosphere" ]
C
MMLU_train
Teachers of Physics Needed for (be Middle School in Kent Start date: Sept. 1st,2014 Hours; Full Time Are you skilled in teaching physics? If yes, come and join us! This school follows the idea that learning is joyful. It offers a friendly and supportive environment for its teachers and students. The primary concern i...
[ "leave a note", "present a document", "send an invitation", "carry an advertisement" ]
D
MMLU_train
When it rains, some animals will ___.
[ "hibernate for the season", "migrate to warmer climates", "change their body covering", "move to seek shelter" ]
D
MMLU_train
Now let's look ourselves as a species in relation to ecosystem balance.Modern scientists believe that humankind, like other animals, evolved through millions of years of changes and adaptations to the environment and that our most direct evolutionary ancestor was probably an earlier species of the primate(monkey, ape)...
[ "humankind is very important to earlier species, such as the primate group", "human beings are limited by the environment while animals are not", "human beings become more and more different from each other", "humankind has experienced a generalization rather than specialization in ability" ]
D
MMLU_train
The two main fundamental particles that make up neutrons are quarks and what else?
[ "leptons", "prions", "atoms", "gluons" ]
D
Neutrons consist of fundamental particles known as quarks and gluons. Gluons carry the strong nuclear force that binds together the quarks in a neutron.
SCiQ_train
When a is divided by b the remainder is 13.When c is divided by d the remainder is 12. If a,b,c,d are all positive integers then which of these may be the value of b*d?
[ "100", "144", "196", "169" ]
C
b has to be greater than or equal to 14 d has to be greater than or equal to 13 b*d>=14*13 Only answer choice that satisfies above inequality is 625 ANSWER:E
AquaRat_train
My first reaction was annoyance. It was Friday afternoon, and I was within an hour of finishing my work for the week. As I was leaving, a nurse brought me one more patient message. The statement read: "Mm. Jones called to say that she has had blurred vision ever since her medical test this morning. " I smiled. Sudde...
[ "Mrs. Jones would ask for more tests", "the patient was being unreasonable", "the nurse was joking with him", "Mrs. Jones would call him" ]
B
MMLU_train
It is 4 o'clock in the early morning. Everything but the computing room on the campus of the university appears as quiet and misty as the mysterious hell. In the computing room, 30 students with sleepy eyes, sit still at their desk, beating the dirty and worn keys. Staring at the colorful screen, they tap continuously ...
[ "The Charm of Computer Science", "A New Type of Electronic Toys", "Future Computer Programmers", "Computer Addicts" ]
D
MMLU_train
In a certain random experiment, exactly one of the outcomes A, B, and J will occur. In each random experiment, the probability that outcome A will occur is 1/3 , and the probability that outcome B will occur is 1/3. What is the probability that when the random experiment is conducted 6 independent times, each of outcom...
[ "5/243", "1/12", "16/81", "10/81" ]
D
Number of ways in which a group of 2A,2B,2J can be formed in any order = 6!/(2!*2!*2!) [ formula for total of 6 items with 2 each of similar kind) Total number of ways in which the die can be thrown independently = _ _ _ _ _ _ ; there are 6 places .First can be filled in 3 different ways A/B/J; Second in 3 diff ways ag...
AquaRat_train
A person wants to discover how much time they've spent on something, so when they think about data, they need to
[ "accumulate it", "ignore it", "lose it", "forget it" ]
A
MMLU_train
Hemoglobin, with four polypeptide chains or subunits, is the most frequently cited example of a protein having what kind of structure?
[ "ternary", "quaternary", "binary", "unary" ]
B
Four interactions stabilize the tertiary structure of a protein: (a) ionic bonding, (b) hydrogen bonding, (c) disulfide linkages, and (d) dispersion forces. When a protein contains more than one polypeptide chain, each chain is called asubunit. The arrangement of multiple subunits represents a fourth level of structure...
SCiQ_train
What is a sugar that is found in fruits?
[ "fructose", "ethanol", "sucrose", "glucose" ]
A
In the Figure below , you can see structural formulas for glucose and two other sugars, named fructose and sucrose. Fructose is a sugar that is found in fruits. It is an isomer of glucose. Isomers are compounds that have the same atoms but different arrangements of atoms. Do you see how the atoms are arranged different...
SCiQ_train
Our school is very big. There are sixty classes in our school. There are about fifty students in a class. There is a television in a classroom, but there isn't a computer. There are 52 desks in my classroom. In my class there are 26 boys and 25 girls. Our library is big, too. There are many books in it. The gym is beh...
[ "library", "science lab", "dining hall", "classroom" ]
C
MMLU_train
A man is burned in an accident on the road, which means that at one point he was
[ "exposed to extreme heat", "frozen in an ice storm", "crashed into a helicopter", "melted by molten lava" ]
A
MMLU_train
A and B invested Rs.15000 and Rs.20,000 respectively in a business. How should a loss of Rs.2800 be divided between them at the end of year? (in rupees)
[ "1300,1500", "1200,1600", "1500,1300", "1700,1200" ]
B
Ratio btwn invest is == 3:4 loss==2800 so 2800/7==400 A==3*400==1200 B==4*400==1600 ANSWER:B
AquaRat_train
When you feel sad, tears will come down from your eyes. When you are happy, especially when you laugh hard, tears will also come down from your eyes. But tears have a more important job than showing your feelings. Tears keep your eyes clean and healthy. They wash away dirt and germs just like bath. Your eyes also need...
[ "what makes people blind", "why people have tears", "why people cry when they are sad", "what tears are" ]
B
MMLU_train
It was a Monday morning. As the teacher walked into the classroom, he heard a low voice , "Here's the teacher. I'm sure this boring fellow is going to talk about how to use commas ."It was a boy's voice and the teacher knew who he was. However, the teacher didn't get angry. He said nothing about it, but really began to...
[ "the same as", "a kind of different from", "quite different from", "All above" ]
C
MMLU_train
If two organisms are classified in different orders but are in the same class, which of these statements is true?
[ "The organisms have the same genus.", "The organisms are in the same phylum.", "The organisms are in different kingdoms.", "The organisms are members of the same species." ]
B
MMLU_train
How long will a boy take to run round a square field of side 50 meters, if he runs at the rate of 9km/hr?
[ "32sec", "1min", "25sec", "80sec" ]
D
Speed = 9 km/hr = 9*5/18 = 5/2 m/sec Distance = 50*4 = 200m Time taken = 200*2/5 = 80sec Answer is A
AquaRat_train
The green turtle is listed as endangered by the International Union for the Conservation of Nature. Under the U.S. Endangered Species Act of 1973, the green turtle was listed as threatened except for the breeding populations in Florida and on the Pacific coast of Mexico, where it is listed as endangered. Green turtles ...
[ "Humans catch them to get profit.", "They lose their nests.", "They have fewer places to find food.", "People like to keep them as pets." ]
D
MMLU_train
Fossil records indicate that Earth was first inhabited by bacteria-like organisms. These organisms
[ "were single-celled.", "had organ systems.", "were multi-cellular.", "had small appendages." ]
A
MMLU_train
Departments A, B, and C have 4 employees each, and department D has 20 employees. Departments A, B, C, and D have no employees in common. A task force is to be formed by selecting 1 employee from each of departments A, B, and C and 2 employees from department D. How many different task forces are possible?
[ "100,000", "400,000", "190,000", "12,610" ]
D
4c1 * 4c1* 4c1*20c2 = 10*10*10*190=12,610. Hence A is the correct answer.
AquaRat_train
Rahim bought 65 books for Rs.1150 from one shop and 50 books for Rs.920 from another. What is the average price he paid per book ?
[ "22", "277", "18", "38" ]
C
Average price per book = (1150 + 920) / (65 + 50) = 2070 / 115 = Rs.18.Answer:B
AquaRat_train
Andrew wanted to make some extra money to buy a toy truck that he really wanted but didn't get for his birthday. The truck cost thirty dollars and it made four different noises. The truck also had a ladder that was three feet long. Andrew had asked for it for his birthday but didn't get it. He did get a camera from...
[ "a dog", "a gift", "a lawn", "a toy truck" ]
D
MMLU_train
How many electrons does lithium have?
[ "seven", "three", "two", "four" ]
B
SCiQ_train
Early blastomeres can form what if isolated?
[ "tumors", "lesions", "cancer", "a complete embryo" ]
D
SCiQ_train
If n is even, which of the following cannot be odd? I n + 3 II 3n III n^2 - 1
[ "I, II and III", "I and II only", "II only", "I only" ]
C
Let take a look at I n + 3 we have this formula : even + odd = odd => n + 3 is odd III: n^2 - 1 n^2 always be even so n^2 - 1 is odd => only II is always even => answer is B
AquaRat_train
A train 100 m long passed a pole in 20 sec. How long will it take to pass a platform 500 m long?
[ "120 sec", "110 sec", "100 sec", "90 sec" ]
A
Speed = 100/20 = 5 m/sec. Required time = (100 + 500)/5 = 120 sec Answer:D
AquaRat_train
Should e-cigarettes (electronic cigarettes) be a new choice for the smokers trying to get rid of the habit? Reactions from Americans are mixed. More than half of the people questioned in a survey think e-cigarettes should be controlled by the US Food and Drug Administration, but 47 percent believe the e-cigarettes shou...
[ "are much safer than common cigarettes", "are popular among people who want to quit smoking", "will take the place of traditional cigarettes", "are produced in a safer way by manufacturers" ]
B
MMLU_train
When does a caldera form?
[ "after an eruption", "after a hurricane", "when faults form", "before an eruption" ]
A
A caldera forms after a massive eruption. The top of the volcano collapses, forming a basin.
SCiQ_train
Which of the following numbers is prime?
[ "5^82−2^82", "4^66+7^66", "2^16+1", "5^2881+7^2881" ]
C
Let's check which of the options is NOT a prime: A. 2^16 + 1 --> the units digit of 2 in positive integer power repeats in blocks of four {2, 4, 8, 6}. Hence, the units digit of 2^16 is 6 and the units digit of 2^16 + 1 is 7 --> 2^16 + 1 CAN be a prime. B. 2^31 + 3^31 --> the units digit of 2^31 is 8 and the units digi...
AquaRat_train
The sum of the present ages of a father and his son is 60 years. five years ago, father's age was four times the age of the son. so now the son's age will be:
[ "15", "5", "20", "10" ]
A
Explanation: Let the present ages of son and father be x and (60 -x) years respectively. Then, (60 - x) - 5= 4(x - 5) 55 - x = 4x - 20 5x = 75 x = 15. Answer: C
AquaRat_train
A and B can do a work in 2 days, B and C in 4 days and C and A in 6 days. In how many days will the work be completed, if all three of them work together?
[ "18/12", "16/28", "42/16", "24/11" ]
D
One day work of A and B = 1/2 One day work of B and C = 1/4 One day work of C and A = 1/6 2(A + B + C) = 1/2 + 1/4 + 1/6. 2(A + B + C) = 11/12 (A + B + C) = 11/24 Number of days required = 24/11 days. Answer: C
AquaRat_train
What kind of reproduction is vegetative reproduction?
[ "asexual", "meiosis", "sexual", "mitosis" ]
A
Vegetative reproduction is a type of asexual reproduction found in plants. This type of reproduction occurs when new individuals are formed without the production of seeds or spores. The formation of new plants out of rhizomes or stolons is an example of vegetative reproductive, such as in the strawberry plant. Other p...
SCiQ_train
How many directions can ions flow along the axon?
[ "one", "six", "three", "two" ]
A
SCiQ_train