question stringlengths 1 5.01k | choices listlengths 4 4 | answer stringclasses 4
values | support stringlengths 0 3.68k | source stringclasses 3
values |
|---|---|---|---|---|
The speed of a train is 90 kmph. What is the distance covered by it in 15 minutes? | [
"42",
"52",
"15",
"22.5"
] | D | 90 * 15/60 = 22.5 kmph
Answer:C | AquaRat_train |
A farmer built a fence around his square plot. He used 27 fence poles on each side of the square. How many poles did he need altogether ? | [
"104",
"108",
"100",
"106"
] | A | Explanation:
Since each pole at the corner of the plot is common to its two sides, so we have :
Total number of poles needed = 27 x 4 - 4 = 108 - 4 = 104.
Answer: B | AquaRat_train |
What tissue consists of cells that form the body’s structure? | [
"fibrous",
"congenital",
"connective",
"reproductive"
] | C | Connective tissue consists of cells that form the body’s structure. Examples include bone and cartilage, which protect and support the body. Blood is also a connective tissue. It circulates and connects cells throughout the body. | SCiQ_train |
In the class of 50 students, 30 speak Tamil and 40 speak Telugu. What is the lowest possible number of students who
speak both the languages? | [
"D)30",
"A)8",
"C)20",
"B)10"
] | C | let the student who speaks Tamil-x
let the student who speaks Telugu-y
as (xuy)-(xny)=total
30+40-(xny)=50
=20
C) | AquaRat_train |
Regulatory proteins bind to regulatory elements to control what? | [
"differentiation",
"mutation",
"growth",
"transcription"
] | D | Regulation of Transcription. Regulatory proteins bind to regulatory elements to control transcription. The regulatory elements are embedded within the DNA. | SCiQ_train |
What is true of mutualistic relationships among organisms? | [
"The organisms ignore each other.",
"The organisms cooperate with each other.",
"The organisms prey on each other.",
"The organisms compete with each other."
] | B | MMLU_train | |
What helps push the fetus from the uterus during birth? | [
"glands",
"Shaking",
"tremors",
"contractions"
] | D | Near the time of birth, the amniotic sac breaks in a gush of liquid. Labor usually begins within a day of this event. Labor involves contractions of the muscular walls of the uterus. With the mother’s help, the contractions eventually push the fetus out of the uterus and through the vagina. | SCiQ_train |
A and B walk around a circular track. They start at 8 a.m. from the same point in the opposite directions. A and B walk at a speed of 4 rounds per hour and 4 rounds per hour respectively. How many times shall they cross each other before 9.30 a.m. ? | [
"B)6",
"E)9",
"C)8",
"D)12"
] | D | Relative speed = 4 + 4 = 8 rounds per hour.
So, they cross each other 8 times in an hour and 4 times in half an hour.
Hence, they cross each other 12 times before 9.30 a.m.
ANSWER:D | AquaRat_train |
The periodic table is one of the cornerstones of chemistry because it organizes all the known elements on the basis of their what? | [
"liquid properties",
"size properties",
"acid properties",
"chemical properties"
] | D | The periodic table is one of the cornerstones of chemistry because it organizes all the known elements on the basis of their chemical properties. A modern version is shown in Figure 2.7 "A Modern Periodic Table". Most periodic tables provide additional data (such as atomic mass) in a box that contains each element’s sy... | SCiQ_train |
What former planet is yet to clear its orbit? | [
"planet Venus",
"the earth",
"Former seventh planet",
"planet Mars"
] | C | MMLU_train | |
What type of molecule is first broken down in cellular respiration? | [
"fructose molecule",
"glucose molecule",
"oxygen molecule",
"hydrogen molecule"
] | B | Cellular respiration takes place in the stages shown here. The process begins with a molecule of glucose, which has six carbon atoms. What happens to each of these atoms of carbon?. | SCiQ_train |
It is a tall tale that terrifies most young children. Swallow a piece of chewing gum and it will remain in your body for seven years before it is digested. An even worse tale is that swallowed gum can wrap itself around your heart. But what does happen if you should accidentally eat a stick of gum? Chewing gum is made ... | [
"It remains in our digestive system forever.",
"It will be eventually moved out of our body.",
"It will fight against the power of the gut.",
"It will stick to the gut for one or two days."
] | B | MMLU_train | |
What does the decomposition of dead organisms and organic waste release into the atmosphere, soil, or ocean? | [
"nitrogen",
"hydrogen",
"carbon",
"oxygen"
] | C | Decomposition of dead organisms and organic wastes releases carbon back to the atmosphere, soil, or ocean. | SCiQ_train |
What is the 28th digit to the right of the decimal point in the decimal form of 5/11? | [
"6",
"7",
"5",
"4"
] | C | 5/11 = 0.45454545...
The even numbered positions in the decimal expansion are all 5.
The answer is C. | AquaRat_train |
What is formed when humid air near the ground cools below its dew point? | [
"weather",
"fog",
"steam",
"smoke"
] | B | Fog ( Figure below ) is a cloud on the ground. Fog forms when humid air near the ground cools below its dew point. Each type of fog forms in a different way. | SCiQ_train |
How can people access water in an aquifer that does not flow from a spring or a geyser? | [
"mound building",
"evaporation",
"dig a well",
"generate electricity"
] | C | Most groundwater does not flow out of an aquifer as a spring or geyser. So to use the water that's stored in an aquifer people must go after it. How? They dig a well. A well is a hole that is dug or drilled through the ground down to an aquifer. This is illustrated in Figure below . | SCiQ_train |
What are all of the living or once-living aspects of the environment called? | [
"biotic factors",
"photic factors",
"abiotic factors",
"fossils"
] | A | Biotic factors are all of the living or once-living aspects of the environment. They include all the organisms that live there as well as the remains of dead organisms. | SCiQ_train |
Square Dance ABC is an exciting new way to practice square dancing. Enjoy a fan, easy beginner's square dance, with no experience needed. There are three different dances. The A, B and C dances can be experienced in any order. This is the main difference between Square Dance ABC and the traditional "lesson-based" way. ... | [
"save lots of money for a holiday.",
"try square dancing only once",
"stay healthy and make lots of friends",
"learn the English letters ABC more easily"
] | C | MMLU_train | |
When does internal reflection occur? | [
"when light goes from a fast medium to another fast medium",
"when light goes from a fast medium to a slow",
"when light goes from a slow medium to another slow medium",
"when light goes from a slow medium to a fast"
] | D | Total internal reflection occurs when light goes from a slow (high index of refraction) medium to a fast (low index of refraction) medium. With total internal reflection, light refracts so much it actually refracts back into the first medium. This is how fiber optic cables work: no light leaves the wire. | SCiQ_train |
A man has Rs. 480 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has ? | [
"90",
"45",
"60",
"75"
] | A | Let number of notes of each denomination be x.
Then x + 5x + 10x = 480
16x = 480
x = 30.
Hence, total number of notes = 3x = 90.
answer :E | AquaRat_train |
Which technique will researchers studying the inheritance patterns of various disorders most likely use? | [
"cladogram",
"DNA fingerprinting",
"gel electrophoresis",
"chromosomal analysis"
] | D | MMLU_train | |
What do you call the zone in a body of water where there is too little sunlight for photosynthesis? | [
"semimetal zone",
"observable zone",
"Dark Zone",
"aphotic zone"
] | D | Neurons are usually classified based on the role they play in the body. Two main types of neurons are sensory neurons and motor neurons. | SCiQ_train |
What do nearly all animals have in common with regards to digestion? | [
"problematic digestion of food",
"complete digestion of food",
"internal digestion of food",
"external digestion of food"
] | C | Virtually all animals have internal digestion of food. Animals consume other organisms and may use special tissues and organs to digest them. (Many other organisms absorb nutrients directly from the environment. ). | SCiQ_train |
What do you call the lightless part of the ocean? | [
"Davy Jones' Locker",
"photic zone",
"aphotic zone",
"photoreactive zone"
] | C | The small surface zone that has light is the photic zone. The entire rest of the ocean does not have light and is the aphotic zone. | SCiQ_train |
It was a sunny night. Jim was having a drink with his friend. He drank too much, and he had to leave at half past eight because he had a ticket for a music festival, which would start at nine o'clock. It was half past an hour's walk from the pub to the theatre. Jim knew a _ that would only take ten minutes, but it mea... | [
"In a hospital.",
"In a pub.",
"At a theatre.",
"In a hotel."
] | B | MMLU_train | |
If a sample of data has mean of 23 and SD of 3, which of the following values is more than 2.5 SDs from the mean? | [
"a. 16",
"b. 13.5",
"c. 17",
"d. 23.5"
] | B | Value ismore than 2.5SDfrom the mean means that the distance between the mean and the value must be more than 2.5SD=7.5. So the value either <23-7.5=15.5 or >23+7.5=30.5.
Answer: B. | AquaRat_train |
The food particles are caught by the collar of the choanocyte and brought into the cell by what process? | [
"hippocampus",
"cellular respiration",
"phototropism",
"phagocytosis"
] | D | Chapter 15 1 Figure 15.3 B 3 Figure 15.33 A 4 B 6 D 8 B 10 A 12 B 14 C 16 C 18 A 20 Specialized tissues allow more efficient functioning because differentiated tissue types can perform unique functions and work together in tandem to allow the animal to perform more functions. For example, specialized muscle tissue allo... | SCiQ_train |
In a class of 40 students, 12 enrolled for both English and German. 22 enrolled for German. If the students of the class enrolled for at least one of the two subjects, then how many students enrolled for only English and not German? | [
"30",
"8",
"18",
"28"
] | C | Let A be the set of students who have enrolled for English and B be the set of students who have enrolled for German.
Then, (A U B) is the set of students who have enrolled at least one of the two subjects. As the students of the class have enrolled for at least one of the two subjects, A U B = 40
We know A U B = A + B... | AquaRat_train |
A Lady has given one-fourth part of her property to her daughter, half part to her sons and one-fifth part given as charity. How much part of hier property she has given? | [
"None",
"19/20",
"1/10",
"1/20"
] | B | Answer
Total share given by a person
= (1/4) + (1/2) + (1/5)
= (5 + 10 + 4)/20
= 19/20
Option: B | AquaRat_train |
Everybody has a home. People have homes. Animals have homes. People live in many different kinds of houses. Animals have different kinds of homes, too. Some animals live in holes under the ground . The woodchuck lives under the ground .His home has two doors. If any animal comes into one door, the woodchuck goes out t... | [
"not the same",
"the same",
"in holes",
"in trees"
] | A | MMLU_train | |
More than half of all known organisms are what? | [
"enzymes",
"insects",
"mammals",
"spiders"
] | B | The majority of arthropods are insects (Class Insecta). In fact, more than half of all known organisms are insects. There may be more than 10 million insect species in the world, although most of them have not yet been identified. In terms of their numbers and diversity, insects clearly are the dominant animals in the ... | SCiQ_train |
The combined magnetic force of the magnetized wire coil and iron bar makes an electromagnet what? | [
"very strong",
"very heavy",
"very reduced",
"Very light"
] | A | The combined magnetic force of the magnetized wire coil and iron bar makes an electromagnet very strong. | SCiQ_train |
If a square and a rhombus stand on the same base, then the ratio of the areas of the square and the rhombus is | [
"equal to 1",
"None",
"greater than 1",
"equal to 1 / 2"
] | A | Solution
A square and a rhombus on the same base are equal in area.
Answer C | AquaRat_train |
The turbine of a windmill spins and creates what? | [
"pollution",
"grains",
"lightning",
"electricity"
] | D | Wind power uses moving air as a source of energy. Some types of wind power have been around for a long time. People have used windmills to grind grain and pump water for hundreds of years. Sailing ships have depended on wind for millennia. Wind is now used to generate electricity. Moving air can make a turbine spin, ju... | SCiQ_train |
What is defined as a close relationship between organisms of different species in which at least one of the organisms benefits? | [
"parasitic",
"symbiosis",
"co-operative",
"endosymbiosis"
] | B | Symbiosis is a close relationship between organisms of different species in which at least one of the organisms benefits. The other organism may also benefit, it may be unaffected by the relationship, or it may be harmed by the relationship. Figure below shows an example of symbiosis. The birds in the picture are able ... | SCiQ_train |
Composite cones are steep-sided, cone-shaped types of what, which produce explosive eruptions? | [
"earthquakes",
"volcanoes",
"mountains",
"craters"
] | B | Composite cones are steep sided, cone shaped volcanoes that produce explosive eruptions. | SCiQ_train |
What are embedded in the membranes of b cells and bind a variety of antigens through their variable regions? | [
"a.m. cell receptors",
"er cell receptors",
"b cell receptors",
"b.a.p cell receptors"
] | C | Figure 42.13 B cell receptors are embedded in the membranes of B cells and bind a variety of antigens through their variable regions. The signal transduction region transfers the signal into the cell. | SCiQ_train |
The lungs are a series of ever-narrowing tubes that end in a myriad of tiny sacs called what? | [
"testes",
"alveoli",
"glands",
"brachii"
] | B | Breathing certainly is a major contribution to your health! Without breathing, we could not survive. Curiously, the act of breathing itself is little more than an application of Boyle’s law. The lungs are a series of ever-narrowing tubes that end in a myriad of tiny sacs called alveoli. It is in the alveoli that oxygen... | SCiQ_train |
What structure consists of an outer layer of cells called the trophoblast and an inner cell mass called the embryoblast? | [
"cytoplasm",
"nucleus",
"blastocyst",
"cell wall"
] | C | Blastocyst. The blastocyst consists of an outer layer of cells called the trophoblast and an inner cell mass called the embryoblast. The blastocyst fluid-filled cavity is also known as the blastocoel or blastocoele. | SCiQ_train |
Where is most digestion completed? | [
"the cavity",
"the esophagus",
"the stomach",
"the duodenum"
] | D | SCiQ_train | |
What are the two classifications of natural resources? | [
"renewable and reusable",
"recyclable and reversible",
"renewable and nonrenewable",
"productive and nonrenewable"
] | C | From the human point of view, natural resources can be classified as renewable or nonrenewable. | SCiQ_train |
Which parasite causes downy mildew in grape plants? | [
"taphrina confusa",
"epichloe typhina",
"chrysomyxa ledi",
"plasmopara viticola"
] | D | Plant Parasites Protist parasites of terrestrial plants include agents that destroy food crops. The oomycete Plasmopara viticola parasitizes grape plants, causing a disease called downy mildew (Figure 13.18a). Grape plants infected with P. viticola appear stunted and have discolored withered leaves. The spread of downy... | SCiQ_train |
Humans are well-equipped for life on Earth. But in space, it is different. Low or _ changes how the blood flows and causes motion sickness, muscle loss and tiredness. Weightlessness can also cause bone loss. But scientists are experimenting with little worms to better understand how space travel affects astronauts. The... | [
"Because it has strong life power in water.",
"Because they want to find how space travel affects astronauts",
"Because the worm will be taken into space.",
"Because they want to find what its DNA like."
] | B | MMLU_train | |
Robotics would have great difficulty in existing if these had yet to be invented. | [
"pots",
"cats",
"desktops",
"paper towels"
] | C | MMLU_train | |
Butterflies are common all over the world,but butterflies in hotter countries are usually bigger and more brightly colored than those in coo1er countries,and there are more different kinds. Usually the male butterflies are more brightly colored than the females.The females have bigger and heavier bodies since they carr... | [
"is frightened and flies away at once",
"opens its eyes and stares at the bird",
"closes its wings and seems to have gone",
"opens its wings to frighten the bird away"
] | C | MMLU_train | |
The residents of Town X participated in a survey to determine the number of hours per week each resident spent watching television. The distribution of the results of the survey had a mean of 21 hours and a standard deviation of 7 hours. The number of hours that Pat, a resident of Town X, watched television last week w... | [
"6",
"20",
"30",
"12"
] | D | Given: mean=21 and SD=7
The number of hours that Pat watched television was between 1 and 2 standard deviations below the mean: 1 SD below the mean ismean-1*SD=14 and 2 SD below the mean ismean-2*SD=7 ,so the number of hours that Pat watched television was between 7 and 14 hours.
Answer: D. | AquaRat_train |
A person puts a potato in some embers on the edge of a campfire. The embers are | [
"hording thermal energy for later",
"taking in the warmth",
"meant for staying cool",
"doing a thermal release"
] | D | MMLU_train | |
When we move down a group of elements on the periodic table, what happens to their electronegativity? | [
"it decreases",
"it increases",
"it stays the same",
"it doubles"
] | A | The nonmetals are elements located in the upper right portion of the periodic table. Their properties and behavior are quite different from those of metals on the left side. Under normal conditions, more than half of the nonmetals are gases, one is a liquid, and the rest include some of the softest and hardest of solid... | SCiQ_train |
Preserved remains or traces of organisms that lived in the past are known as what? | [
"fossils",
"archives",
"skulls",
"deposits"
] | A | Fossils are preserved remains or traces of organisms that lived in the past. Most preserved remains are hard parts, such as teeth, bones, or shells. Examples of these kinds of fossils are pictured in Figure below . Preserved traces can include footprints, burrows, or even wastes. Examples of trace fossils are also show... | SCiQ_train |
If 6 (A's capital) = 8 (B's capital) = 10 (C's capital). Then the ratio of their capitals is? | [
"20:15:14",
"20:15:12",
"20:15:18",
"20:15:11"
] | B | 6A = 8B = 10C
A:B:C = 1/6:1/8:1/10
= 20:15:12
Answer: C | AquaRat_train |
What does the thymus gland produce? | [
"insulin",
"hormones",
"t cells",
"b cells"
] | C | Organs of the lymphatic system include the tonsils, thymus gland and spleen. The thymus gland produces T cells or T-lymphocytes (see below) and the spleen and tonsils help in fighting infections. The spleen’s main function is to filter the blood. The spleen also detects viruses and bacteria and triggers the release of ... | SCiQ_train |
Space travel is definitely bad for astronauts' bones, reducing their bone density after only a month of weightlessness, according to French research published on Friday. Laurence Vico and his fellow workers at St Etienne University called for more research into the effects of microgravity, after their study of 15 astr... | [
"they only cared for the Russian astronauts",
"they were not interested in their own astronauts",
"the Russian government invited them to do their research",
"the Russian astronauts worked in space for a long time"
] | D | MMLU_train | |
Since eddy currents and magnetic damping occur only in conductors, recycling centers can use these to separate metals from other materials? | [
"particles",
"cranes",
"alloys",
"magnets"
] | D | Since eddy currents and magnetic damping occur only in conductors, recycling centers can use magnets to separate metals from other materials. Trash is dumped in batches down a ramp, beneath which lies a powerful magnet. Conductors in the trash are slowed by magnetic damping while nonmetals in the trash move on, separat... | SCiQ_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... | [
"are always clean",
"can help the animals",
"are good for the lake",
"get into the rainwater"
] | D | MMLU_train | |
From observations as simple as blowing up a balloon, it is clear that increasing the amount of gas increases what else? | [
"every volume",
"the volume",
"area",
"the shift"
] | B | The combined gas law, , is true for a particular sample of gas. If any gas is added or allowed to leak out, however, the relationship is lost. In order to get a relationship that is true for any sample of gas, it is necessary to incorporate a term for the amount of gas. From observations as simple as blowing up a ballo... | SCiQ_train |
A toy car rolls at a constant speed down a straight inclined track. When the car reaches the flat surface at the base of the inclined track, the speed of the car decreases. Which statement best explains why the speed of the car decreases when it reaches the flat surface? | [
"The force of gravity acting on the car increases.",
"The force of gravity acting on the car decreases.",
"The forces influencing the car are not balanced.",
"The forces influencing the car are balanced."
] | C | MMLU_train | |
There is good news for old people with Alzheimer's disease . As we know, people who have Alzheimer's disease may get lost easily. Sometimes they can't find the way to their home. All the family members must be worried about their safety. Now, some has invented GPS-enabled walking shoes. The shoes are very special and ... | [
"Old people with Alzheimer's disease",
"Students in primary school.",
"Old people who are strong and healthy.",
"Anyone around the world"
] | A | MMLU_train | |
Dr. Glenn Tisman, a cancer specialist, knew his young neighbor, Ray Bateman, had an unusual mind. But he had no idea at the time that 12 - year - old Ray had the ability to become his partner in cancer research. Ray's parents remembered that at age four, Ray surprised them by fixing a broken vacuum cleaner . When he wa... | [
"is a boy of many gifts",
"is very helpful to his parents",
"learned fast under Dr. Tisman's instruction",
"stopped working with Dr. Tisman after his success"
] | A | MMLU_train | |
My Uncle Dave posed an interesting question to my wife and me when he came to visit us the other day. He asked: "What do you think the world will be like in 50 or 100 years, in terms of technology and society and so on?" He says he asks many of the people he meets this question to see what their thoughts are. His point... | [
"earn a lot of money",
"communicate with some like-minded people",
"help find the correct information needed",
"spare some time for surfing the Internet"
] | C | MMLU_train | |
Phospholipids are unable to mix with what? | [
"nitrogen",
"water",
"air",
"solids"
] | B | Molecules in the cell membrane allow it to be semipermeable. The membrane is made of a double layer of phospholipids (a "bilayer") and proteins ( Figure below ). Recall that phospholipids, being lipids, do not mix with water. It is this quality that allows them to form the outside barrier of the cell. | SCiQ_train |
When does coal release most of its energy? | [
"when falling",
"when forming",
"when compressed",
"when burning"
] | D | To prepare coal for use, the coal is first crushed into powder and burned in a furnace. Like other fuels, coal releases most of its energy as heat when it burns. The heat from the burning coal is used to boil water. This makes steam. The steam spins turbines, which creates electricity. | SCiQ_train |
What type of organism was the only able to live in the anoxic atmosphere of the first 2 billion years? | [
"anaerobic",
"mammals",
"aerobic",
"protists"
] | A | CHAPTER SUMMARY 22.1 Prokaryotic Diversity Prokaryotes existed for billions of years before plants and animals appeared. Hot springs and hydrothermal vents may have been the environments in which life began. Microbial mats are thought to represent the earliest forms of life on Earth, and there is fossil evidence of the... | SCiQ_train |
Which of the following is produced when sugar is digested in an animal cell? | [
"carbon dioxide.",
"chlorophyll.",
"oxygen.",
"sunlight."
] | A | MMLU_train | |
In a jar there are balls in different colors: blue, red, green and yellow.
The probability of drawing a blue ball is 1/8.
The probability of drawing a red ball is 1/5.
The probability of drawing a green ball is 1/7.
If a jar cannot contain more than 500 balls, how many yellow balls are in the Jar? | [
"125.",
"133.",
"149.",
"124."
] | C | We need to get some number which is less than 500 and exactly divisible by 8,5 and 7
Lets take LCM of three balls 8,5 and 7 = 280.
The probability of drawing a blue ball is 1/8...For every 8 balls we get 1 BLUE ball then out of 280 balls we get 35 BLUE balls.
The probability of drawing a red ball is 1/5...For every 5 b... | AquaRat_train |
What do you call plastids that contain the green pigment chlorophyll? | [
"Gerontoplasts",
"Chromoplasts",
"Leucoplasts",
"chloroplasts"
] | D | Chloroplasts are plastids that contain the green pigment chlorophyll. They capture light energy from the sun and use it to make food. A chloroplast is shown in Figure above . | SCiQ_train |
If $ 5,000 is invested in an account that earns 6% interest compounded semi-annually, then the interest earned after one year would be how much greater than if the $ 5,000 had been invested at 8% simple yearly interest? | [
"$ 8",
"$ 16",
"$ 432",
"$ 6"
] | D | ANS A
Solution
Amount (CI) = P+(1+r/n)^nt = 5000+(1+0.06/2)^2= 5406
Amount (SI) = P+PTR/100 = 5000+(5000*1*8/100)=5400
Difference = 5406-5400=6 $
A | AquaRat_train |
Primary batteries are single-use batteries because they cannot be what? | [
"recharged",
"UP ticked.",
"plugged",
"refreshed"
] | A | Primary Batteries Primary batteries are single-use batteries because they cannot be recharged. A common primary battery is the dry cell (Figure 17.10). The dry cell is a zinc-carbon battery. The zinc can serves as both a container and the negative electrode. The positive electrode is a rod made of carbon that is surrou... | SCiQ_train |
a student leaves a bag of acorns on the playground, which one of these will most likely take it? | [
"a fish in the pond",
"a dog in the house",
"a stray local chipmunk",
"a tiger in the zoo"
] | C | MMLU_train | |
Andrew started saving at the beginning of the year and had saved $200 by the end of the year. He continued to save and by the end of 2 years had saved a total of $540. Which of the following is closest to the percent increase in the amount Andrew saved during the second year compared to the amount he saved during the f... | [
"11%",
"25%",
"70%",
"56%"
] | C | Percent increase in the amount Andrew saved during the second year compared to the amount he saved during the first year.
Percentage Change = ( Change in value / Original value ) * 100
Percentage Change = [ (Saving in 2nd year - Saving in 1st year ) / Saving in 1st year ] * 100
Saving in 2nd year + Saving in 1st year =... | AquaRat_train |
If the average marks of three batches of 49, 60 and 45 students respectively is 50, 55, 60, then the
average marks of all the students is | [
"54.6",
"54.58",
"54.87",
"54.68"
] | C | Explanation:
=(49*50+60*55+45*60)/(49+60+45)=54.87
Answer: Option A | AquaRat_train |
What large dwarf planet in our solar system was only discovered in 2005? | [
"Cerus",
"eris",
"zeus",
"artemis"
] | B | Eris is the largest known dwarf planet in the solar system. It is 27 percent larger than Pluto ( Figure above ). Like Pluto and Makemake, Eris is in the Kuiper belt. But Eris is about three times farther from the Sun than Pluto. Because of its distance, Eris was not discovered until 2005. Early on, it was thought that ... | SCiQ_train |
Every year, millions of Americans see their personal information leak into the wrong hands. Maybe there's spyware on the their computer, or a service they use suffered a security reach, leaving customers at the risk of exposure. Or perhaps their password is easy to guess. Don't fear: You can easily set up proper defens... | [
"clear out everything in the system",
"make a random selection of network",
"get rid of potential spyware",
"refresh the infected system"
] | C | MMLU_train | |
David covered a distance of 50 miles on his first trip. On a later trip he traveled 450 miles while going three times as fast. His new time compared with the old time was: | [
"three times as much",
"twice as much",
"the same",
"half as much"
] | A | Let t be the time of the first trip.
On the later trip, David can travel 150 miles in time t.
The trip of 450 miles takes 3t.
The answer is B. | AquaRat_train |
The ratio between the presents of the A and B is 6:7. If B is 4 years older than A, what will be the ratio of the ages of A and B after 4 years? | [
"6:7",
"3:4",
"1:2",
"7:8"
] | D | Let A and B ages will be 6x and 7x
7x - 6x = 4
x = 4
Required ratio = 6x+4 : 7x+4 = 28:32 = 7:8
Answer is C | AquaRat_train |
The quickness of this animal is a key change that allows it to escape attacks from feasting animals: | [
"the praying mantis",
"the potato bug",
"antelope",
"the eagle"
] | C | MMLU_train | |
3 years before age of A was double than age of B.after 7 years the sum of their ages will 83.calculate the age of A. | [
"42",
"24",
"45",
"21"
] | C | Let 3 years before age of B=x year and age of A=2x year
present age of B=(x+3) and present age of A=(2x+3)
after 7 years age of B=(x+10) year and age of A=(2x+10) year
(x+10)+(2x+10)=83,3x=63,x=21.
present age of A=(2x+3)=45 years
answer D | AquaRat_train |
What type of organism is used to produce alcoholic beverages and bread? | [
"yeast",
"bacteria",
"larvae",
"insects"
] | A | SCiQ_train | |
What is the probability of rolling two six-sided dice, and getting a different number on each die? | [
"1/3",
"7/18",
"5/9",
"5/6"
] | D | MAGOOSHOFFICIAL SOLUTION
For the first die, we can roll any one of six numbers. For the second die, we can roll any number save for the number we rolled on the first die, giving us 5 possibilities. For the third die, we can roll four different numbers (we can’t roll the number we rolled on the first or second die.
6 x ... | AquaRat_train |
What changes the chemical composition of a substance and can only occur through a chemical reaction? | [
"mineral changes",
"Oxygen Changes",
"chemical changes",
"carbon changes"
] | C | Pure substances, such as compounds, can be separated through chemical changes. Chemical changes change the chemical composition of a substance and can only occur through a chemical reaction. | SCiQ_train |
A and B together can do a work in7 days. If A alone can do it in 14 days. In how many days can B alone do it? | [
"20",
"25",
"21",
"14"
] | D | A
14
1/7 – 1/14 = 1/14 => 14 | AquaRat_train |
A basket has 5 apples and 4 oranges. Three fruits are picked at random. The probability that at least 2 apples are picked is -. | [
"41/42",
"10/23",
"1/42",
"25/42"
] | D | Total fruits = 9
Since there must be at least two apples,
(⁵C₂ * ⁴C₁)/⁹C₃ + ⁵C₃/⁹C₃ = 25/42.
ANSWER:A | AquaRat_train |
What happens to most of the energy in a trophic level as it passes to the next higher level? | [
"it is lost",
"it increases",
"it stays the same",
"it is transferred"
] | A | SCiQ_train | |
Living things need to take in nutrients so that they can grow and create what? | [
"plasma",
"hydrogen",
"protein",
"energy"
] | D | SCiQ_train | |
In a coconut grove, (x + 1) trees yield 60 nuts per year, x trees yield 120 nuts per year and (x – 1) trees yield 180 nuts per year. If the average yield per year per tree be 100, find x. | [
"None of the above",
"2",
"5",
"4"
] | B | (x+1)×60+x×120+(x−1)×180/(x+1)+x+(x−1)=100
⇒ 360x−120/3x = 100
⇒ 60x = 120 ⇒ x = 2
Answer A | AquaRat_train |
One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 34 minutes, then the slower pipe alone will be able to fill the tank in | [
"136 mins",
"132 minw",
"140 mins",
"144 mins"
] | A | Explanation:
Let the slower pipe alone fill the tank in x minutes
then faster will fill in x/3 minutes.
Part filled by slower pipe in 1 minute = 1/x
Part filled by faster pipe in 1 minute = 3/x
Part filled by both in 1 minute =
1/x+3/x=1/34
=>4/x=1/34
x=34∗4=136mins
Option C | AquaRat_train |
Rising air pressure means that I should bring | [
"black holes",
"sunblock",
"time travel",
"magic"
] | B | MMLU_train | |
What is the term for longer chains of monosaccharides ? | [
"oligosaccharides",
"proteins",
"polysaccharides",
"hydrocarbons"
] | C | Longer chains of monosaccharides are referred to as polysaccharides . Starch, glycogen, and cellulose are three extremely common polysaccharides made entirely out of glucose molecules. The differences lie in the types of bonds between the glucose units and the extent of branching in the carbohydrate chain. Starch is fo... | SCiQ_train |
40 percent of the ducks included in a certain side effects study were male. If some of the ducks had side effects during the study and 25 percent of the ducks who had side effects were male, what was the ratio of the side effect rate for the male ducks to the side effect rate for the female ducks? | [
"9/14",
"1/2",
"1/4",
"8/7"
] | B | Say total male = 40
Total female =60
Required ratio =( .25/40)/ (.75/60) = 1/2 C is the answer | AquaRat_train |
If n is an integer and 101n^2 is less than or equal to 3600, what is the greatest possible value of n? | [
"5",
"9",
"7",
"10"
] | A | 101 * n^2 <=3600
n^2 <=3600/101 which will be less than 81 since 3600/100 = 36 which is the square of 9
Next closest value of n where n^2<=36 is 5
Ans B | AquaRat_train |
A red blood cell will swell and burst when placed in a? | [
"acidic solution",
"exothermic solution",
"dissolved solution",
"hypotonic solution"
] | D | A cell that does not have a rigid cell wall, such as a red blood cell, will swell and lyse (burst) when placed in a hypotonic solution. Cells with a cell wall will swell when placed in a hypotonic solution, but once the cell is turgid (firm), the tough cell wall prevents any more water from entering the cell. When plac... | SCiQ_train |
Which disease does the bacteria salmonella cause in humans? | [
"food poisoning",
"water poisioning",
"blood poisoning",
"skin poisoning"
] | A | The organisms are bacteria called Salmonella. If the word Salmonella rings a bell, that’s probably because Salmonella causes human diseases such as food poisoning. Many other types of bacteria also cause human diseases. But not all bacteria are harmful to people. In fact, we could not survive without many of the trilli... | SCiQ_train |
A train with a length of 100 meters, is traveling at a speed of 72 km/hr. The train enters a tunnel 3.5 km long. How many minutes does it take the train to pass through the tunnel from the moment the front enters to the moment the rear emerges? | [
"3",
"3.4",
"5.5",
"5.7"
] | A | 72 km/hr = 1.2 km/min
The total distance is 3.6 km.
3.6 / 1.2 = 3 minutes
The answer is A. | AquaRat_train |
What is the jelly-like material in which the contents of the cell are suspended? | [
"cortisol",
"cytosol",
"mitochondrial",
"jam"
] | B | The cytosol is the jelly-like material in which the contents of the cell are suspended. | SCiQ_train |
(A% of 4B + B% of A) is equal to ? | [
"5% of AB",
"B% of A",
"AB% of 3",
"None"
] | A | Answer
A% of 4B + B% of A =4AB/100 + AB/100
= 5AB/100 = 5% of AB
Correct Option: C | AquaRat_train |
Iron will do what when it is exposed to oxygen and water? | [
"contract",
"rust",
"become hot",
"expand"
] | B | Perhaps the most familiar example of corrosion is the formation of rust on iron. Iron will rust when it is exposed to oxygen and water. The main steps in the rusting of iron appear to involve the following (Figure 17.17). Once exposed to the atmosphere, iron rapidly oxidizes. anode: Fe(s) ⟶ Fe 2+(aq) + 2e −. | SCiQ_train |
American children are not the only couch potatoes with nearly one third of children globally spending 3 hours a day or more watching TV or on computers, according to the study of over 70,000 teens in 34 nations. From Argentina to Zambia, Regina Guthold of the World Health Organization in Geneva and her colleagues found... | [
"Most children around the world don't meet the exercise recommendation.",
"Girls in every country are no more active than boys.",
"Children in rich countries relatively get less physical activity.",
"Only 4% of the girls from Egypt are not active in exercise."
] | A | MMLU_train | |
How many watts equals a horse power? | [
"904",
"745",
"695",
"375"
] | B | Sometimes power is measured in a unit called the horsepower. For example, the power of car engines is usually expressed in horsepowers. One horsepower is the amount of work a horse can do in 1 minute. It equals 745 watts of power. Compare the horsepowers in the Figure below to the other Figure below . | SCiQ_train |
Which function is performed at similarly structured sites in prokaryotic and eukaryotic cells? | [
"protein synthesis",
"packaging and transport of proteins",
"storage of genetic material",
"release of energy from storage forms"
] | A | MMLU_train | |
If (2x + 1) times (x + 2) is an odd integer, then x must be: | [
"an even integer",
"a prime number",
"a composite number",
"an odd integer"
] | D | Solution:
(2x + 1) times (x + 2) means (2x + 1)(x + 2)
(2x + 1)(x + 2) = 2x^2+5x+2
For 2x^2+5x+2 to be odd, 5x+2 must be odd since 2x^2 is always even.
So 5x must be odd, hence x must be odd.
Therefore x is an odd integer.
Answer: A | AquaRat_train |
If x is an integer and (x)(x^4)(x^3) is positive, which of the following could be negative? | [
"x + x^11",
"3x^2",
"(x)(x)",
"x^4"
] | A | A) X^4 - always positive (or 0).
B) X(X^3) = X^4 - Again always positive (or 0).
C) (x)(x) = X^2 - Again always positive (or 0).
D) x+x^11 - Could be -ve if x is -ve.
E) 3X^2 - again always positive (or 0)
Answer D. | AquaRat_train |
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