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After replacing an old member by a new member, it was found that the average age of five members of a club is the same as it was 3 years ago.What is the difference between the ages of the replaced and the new member?
[ "15 years", "25 years", "2 years", "8 years" ]
A
the age 5 members will be 13,14,15,16 and 17 3 years before there age was 10,11,12,13 and 14 hence the average is 12(10+11+12+13+14/5=60/5=12). now if the oldest man 17 is replaced by 2 the the average is become same as three years ago the are . as (13+14+15+16+2)/5 = 60/5=12. hence the difference between the ages of t...
AquaRat_train
Hippos have always attracted people's interest. Modern hippos in Walt Disney movies can dance lightly. A stone hippo in a 13th-century church in France has wings. And in ancient Egyptian fairy tales, the hippo was a goddess that guided the dead to the afterworld. Despite their popular appeal, hippos, as well as other a...
[ "They eat up the grass in their habitats.", "They always destroy other animals' food.", "They stop other animals from drinking water.", "They grow too quickly for the land to support." ]
A
MMLU_train
A can do a work in 8 days. B can do the same work in 16 days. If both A & B are working together in how many days they will finish the work?
[ "3/4 days", "16/3 days", "3 days", "9/12 days" ]
B
A rate = 1/8 B rate = 1/16 (A+B) rate = (1/8)+(1/16) = 3/16 A & B finish the work in 16/3days correct option is B
AquaRat_train
Tom grows the nicest vegetables and fruits, and the most beautiful flowers in his village. Plants grow in Tom's garden all through the year.Tom cuts some flowers for his sitting-room table and eats some fruits and vegetables, but he sells most of them in the market. His vegetables, fruits and flowers are so wonderful t...
[ "Tom doesn't plant orange trees in his garden.", "Tom often gives away his flowers to villagers.", "Tom is very lazy and he does nothing every day.", "Tom eats some of the fruits and vegetables in his garden." ]
D
MMLU_train
One-fourth of the light switches produced by a certain factory are defective. Four-fifths of the defective switches are rejected and 1/20 of the non defective switches are rejected by mistake. If all the switches not rejected are sold, what percent of the switches sold by the factory are defective?
[ "4.4%", "6.6%", "11.3%", "5.5%" ]
B
1/4 of the switches are defective. The defective switches that are not rejected are 1/5*1/4 = 1/20 = 4/80 of all switches. The non defective switches that are sold are 3/4*19/20 = 57/80 of all switches. The percent of switches sold that are defective is 4/61 = 6.6% The answer is C.
AquaRat_train
Involved in balance, the semicircular canals are parts of what organs?
[ "lungs", "ovaries", "ears", "eyes" ]
C
The parts of the ears involved in balance are the semicircular canals. These are the curved structures above the cochlea in the inner ear in Figure above . Like the cochlea, the semicircular canals contain liquid and are lined with tiny hair cells. As the head changes position, the liquid moves. This causes the hair ce...
SCiQ_train
In how many ways can Ann, Bob, Chuck, Don and Ed be seated in a row such that Ann and Bob are not seated next to each other?
[ "24", "48", "72", "56" ]
C
These 5 people can be arranged in 5! ways. These are the total number of ways you get. Now, when we tie 2 people together, we have only 4 entities to arrange. We can do this in 4! ways. But in each of these entities, the two people can sit in two different ways (AB and BA). So number of ways in which these two people s...
AquaRat_train
How far would you be willing to go to satisfy your need to know?Far enough to find out your possibility of dying from a terrible disease?These days that's more than an academic question,as Tracy Smith reports in our Cover Story. There are now more than a thousand genetic tests,for everything from baldness to breast ca...
[ "He is strongly in favor of the present genetic tests.", "He is more likely to suffer from Alzheimer's disease.", "He believes genetic mapping can help cure any disease.", "He doesn't want to know his chance of getting a disease." ]
D
MMLU_train
On what part of bones would you expect to find cartilage?
[ "marrow", "end", "exterior", "interior" ]
B
The adult human skeleton has 206 bones, some of which are named below ( Figure below ). Bones are made up of living tissue. They contain many different types of tissues. Cartilage, a dense connective tissue, is found at the end of bones and is made of tough protein fibers. Cartilage creates smooth surfaces for the move...
SCiQ_train
What is the process by which some solids transition directly into gases?
[ "vaporization", "sublimation", "amplification", "articulation" ]
B
Sublimation and Deposition Some solids can transition directly into the gaseous state, bypassing the liquid state, via a process known as sublimation. At room temperature and standard pressure, a piece of dry ice (solid CO2) sublimes, appearing to gradually disappear without ever forming any liquid. Snow and ice sublim...
SCiQ_train
Recently, tests have proved that Beethoven died from lead poisoning. Bill Walsh directed the Beethoven Research Project. Mr Walsh and his team examined pieces of bone belonging to Beethoven. They found a large amount of lead in the bone pieces. They said the lead levels were equal to those found in pieces of his hair i...
[ "this is the first research into the cause of Beethoven's death", "any amount of lead will do great harm to people's health", "more lead was found in Beethoven's bones than in his hair", "scientists used to think that Beethoven's death was caused by other metals instead of lead" ]
D
MMLU_train
The function g(p) is defined for integers p such that if p is even, g(p) = p/2 and if p is odd, g(p) = p + 5. Given that g(g(g(g(g(p))))) = 19, how many possible values for p would satisfy this equation?
[ "8", "1", "11", "5" ]
A
Let me define terms: in g(p) = R p is argument, R is result, g() is function, in g(g(g(g(g(p))))), g1 is inner most, g5 is outermost for identification. From definition of function g, we can deduce that: If Result is even then two possibilities for argument = 1 Even 1 Odd If Result is odd then one possibility for argum...
AquaRat_train
The complete combustion of alkanes to carbon dioxide is an extremely __________ reaction.
[ "reactive", "hydrolic", "geothermal", "exothermic" ]
D
Each step in the process is either a gain of oxygen or a loss of hydrogen. Each step also releases energy, which explains why the complete combustion of alkanes to carbon dioxide is an extremely exothermic reaction.
SCiQ_train
What is it called when a liquid displays more attraction between the liquid particles than attraction between the liquid and the glass?
[ "stability", "flexion", "tension", "cohesion" ]
D
Some liquids, such as mercury, display more attraction between the liquid particles than attraction between the liquid and the glass. This is known as cohesion . The pull between the liquid particles is stronger, so the liquid pulls away from the glass.
SCiQ_train
One sunny day last September, Tim heard some shouting. Looking out to the sea carefully, he saw a couple of kids in a rowboat were being pulled out to sea. Two 12-year-old boys, Christian and Jack, rowed out a boat to search for a football. Once they'd rowed beyond the calm waters, a beach umbrella tied to the boat cau...
[ "to take in enough fresh air", "To consider turning back to not.", "To check his distance from the boys", "To ask the boys to take down the umbrella" ]
C
MMLU_train
What is measured by the intensity of the sound waves?
[ "loudness", "inputs", "pitch", "tone" ]
A
Loudness refers to how loud or soft a sound seems to a listener. The loudness of sound is determined, in turn, by the intensity of the sound waves. Intensity is a measure of the amount of energy in sound waves. The unit of intensity is the decibel (dB) .
SCiQ_train
Last summer was Ann's first trip to Spain . She was very excited. But when she arrived at the hotel, she found that her Spanish money wasn't in her handbag. She looked for it carefully in all her bags, but she couldn't find it. She had only a ten-pound note with her. She found a place to change her English money. On he...
[ "she didn't like Spanish food", "she didn't feel hungry", "she didn't know the price of that hotel included everything", "she didn't feel well" ]
C
MMLU_train
From below option 48 is divisible by which one?
[ "E)11", "B)5", "C)9", "A)3" ]
D
48/3 = 16 A
AquaRat_train
Janet walked past the barn, the big tree, and through the back yard to reach the chicken pen. Janet gathered the eggs from the chicken pen, so that her father could make scrambled eggs for breakfast. He would need at least 5 eggs for the meal, two for Janet and three for himself. Janet could only find four eggs in the ...
[ "Two", "Three", "Five", "Six" ]
C
MMLU_train
What is the time it takes for radioactive substance to decay?
[ "full-life", "deterioration rate", "half-life", "decay rate" ]
C
The disintegration of unstable nuclei does not occur all at once. The rate of disintegration is a statistical process. The most convenient way to consider it is by a concept known as half-life . The time required for half of the atoms in any given quantity of a radioactive substance to decay is the half-life of that el...
SCiQ_train
When positive integer N is divided by positive integer J, the remainder is 25. If N/J = 204.05, what is value of J?
[ "600", "800", "500", "200" ]
C
When a number is divided by another number, we can represent it as : Dividend = Quotient * Divisor + Remainder So, Dividend/Divisor = Quotient + Remainder/Divisor Given that N/J = 204.05 Here 204 is the quotient. Given that Remainder = 25 So, 204.05= 204 + 25/J So, J = 500 Answer: B
AquaRat_train
Bats are impressive creatures. They are known to carry dangerous diseases like SARS without getting sick. So researchers wanted to know: How do bats fight off so many deadly diseases? Learning their secret could help doctors better treat humans who have these diseases, therefore saving millions of lives. To solve this ...
[ "they have developed special immune system through evolution", "they are able to fly, which burns a lot of energy", "free radicals in their bodies can damage DNA and cause diseases", "they carry no special genes to repair damaged DNA" ]
A
MMLU_train
Low levels of thyroid hormones in the blood cause the release of what by the hypothalamus and pituitary gland?
[ "enzymes", "acids", "bases", "hormones" ]
D
You can see an example of a negative feedback loop in Figure below . It shows how levels of thyroid hormones regulate the thyroid gland. This loop involves the hypothalamus and pituitary gland as well as the thyroid gland. Low levels of thyroid hormones in the blood cause the release of hormones by the hypothalamus and...
SCiQ_train
What does blood pickup from the lungs to be carried throughout the rest of the body?
[ "platelets", "oxygen", "white blood cells", "carbon" ]
B
The blood picks up oxygen in the lungs and carries it to cells throughout the body.
SCiQ_train
The size and symmetry of a beetle’s or an elk’s antlers or a grasshopper’s song communicate rather clearly their state of what?
[ "society", "health", "need", "problem" ]
B
transient males. Since these loyal males already bond and cooperate with females, it may well be a simple matter for them to bond and cooperate with each other. In a semi-counter intuitive manner, the ability to bond with males could be selected for based on its effect on reproductive success with females. On the other...
SCiQ_train
A polygon has 54 diagonals. How many sides does it have? Self made
[ "14", "13", "12", "16" ]
C
The best way to solve this problem is to use the formula: An n sided polygon can have n*(n - 3)/2 diagonals n*(n - 3)/2 = 54 n*(n - 3) = 108 Substitute n from the answer choices. n = 12 Answer: A
AquaRat_train
What carry messages from our sensory organs and others to the central nervous system?
[ "blood vessels", "fibers", "valves", "nerves" ]
D
20.7 Nerve Conduction–Electrocardiograms Nerve Conduction Electric currents in the vastly complex system of billions of nerves in our body allow us to sense the world, control parts of our body, and think. These are representative of the three major functions of nerves. First, nerves carry messages from our sensory org...
SCiQ_train
What have a symbiotic relationship between a fungus and a photosynthetic organism?
[ "amphibians", "sponges", "lichens", "crustaceans" ]
C
farm fungi as a supply of food. Lichens are a symbiotic relationship between a fungus and a photosynthetic organism, usually an alga or cyanobacterium. The photosynthetic organism provides energy derived from light and carbohydrates, while the fungus supplies minerals and protection. Some animals that consume fungi hel...
SCiQ_train
This is a family tree. It's a very big family. Tim and Gina are very old . They have a son, David and a daughter, Sally. David and his wife Jenny have the twins , Jack and Bob. Jack is single , but Bob is married . His wife is Lucy. They have a cute son, Sam. They love Sam very much. Sally's husband is Pa...
[ "Jenny", "Sally", "Kate", "Gina" ]
D
MMLU_train
What are made in the first step of the scientific method?
[ "patterns", "observations", "conclusions", "hypothesis" ]
B
Scientific investigations generally follow a process called the scientific method. Steps of the scientific method include making observations, asking a question, forming a hypothesis, testing the hypothesis, drawing a conclusion, and communicating the results.
SCiQ_train
What is the repeating monomer of a DNA molecule?
[ "triglyceride", "dipeptide", "nucleotide", "phospholipid" ]
C
MMLU_train
Osteoclasts break down bone to maintain mineral what?
[ "homeostatis", "polarity", "density", "fluctuations" ]
A
Under the direction of osteocytes, osteoblasts continuously build up bone, while osteoclasts continuously break down bone to maintain mineral homeostasis. Bone tissues include compact bone, spongy bone, bone marrow, and periosteum.
SCiQ_train
Josh was going on an adventure. He was going to float down the river with his friends, Dennis and Connor. They had been building a boat out of wood Connor's father had given them for the last week. The boys wanted to paint the boat because the brown wood did not look very good. Josh wanted green, Dennis liked purpl...
[ "Purple.", "Red.", "Green.", "Brown." ]
C
MMLU_train
Which organ's diseases include kidney stones, infections, and kidney failure due to diabetes?
[ "lungs", "heart", "kidney", "pancreas" ]
C
Kidney diseases include kidney stones, infections, and kidney failure due to diabetes. Kidney failure may be treated with dialysis.
SCiQ_train
A woman on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is:
[ "71.11 km/hr.", "68.11 km/hr.", "44.11 km/hr.", "88.11 km/hr." ]
A
A 71.11 km/hr. Total time taken = 160/64 + 160/80 = 9/2 hours --> Average speed = 320 x 2/9 = 71.11 km/hr.
AquaRat_train
Illnesses caused by bacteria in food are commonly known as what?
[ "chemical poisoning", "food poisoning", "viral poisoning", "the flu" ]
B
Some pathogens spread through food or water. When harmful bacteria contaminate food, they cause foodborne illness, commonly called food poisoning. An example of a pathogen that spreads through water is the protozoan named Giardia lamblia, described in Table above . It causes a disease called giardiasis.
SCiQ_train
What is the primary gas produced from burning of wood?
[ "Hydrogen Dioxide", "liquid dioxide", "carbon dioxide", "toxic dioxide" ]
C
When wood burns, it changes to ashes, carbon dioxide, water vapor, and other gases. You can see ashes in the wood fire pictured here. The gases are invisible.
SCiQ_train
The marsupial embryo is nourished inside the uterus with food from a yolk sac instead of through a what?
[ "placenta", "umbilical cord", "ovum", "stomach" ]
A
The marsupial embryo is nourished inside the uterus with food from a yolk sac instead of through a placenta. The yolk sac stores enough food for the short period of time the embryo remains in the uterus. After the embryo is born, it moves into the mother’s pouch, where it clings to a nipple. It remains inside the pouch...
SCiQ_train
(64 - 12)2 + 4 x 64 x 12 = ?
[ "4406", "None of these", "5776", "5126" ]
C
Explanation : Here, the given statement is like (a - b)2 + 4ab where a= 64 and b = 12 (a - b)2 + 4ab = (a2 - 2ab + b2) + 4ab = a2 + 2ab + b2 = (a + b)2 Hence (64 - 12)2 + 4 x 64 x 12 = (64 + 12)2 = 762 = 5776. Answer : Option D
AquaRat_train
Weighing too much can damage your health, and obesity is a growing problem for both kids and adults around the world. Sleep might be one answer to the problem. A new study has found that elementary school students who slept too little were more likely to gain pounds. Past studies have shown a link between sleeping less...
[ "By listing figures.", "By comparing different opinions.", "By providing examples.", "By conducting a survey." ]
A
MMLU_train
Spores are the basic reproductive units of what organism?
[ "tropical plants", "yeast", "mushrooms", "fungi" ]
D
Specialized structures for reproduction: One example is a fruiting body. Just like a fruit is involved in the reproduction of a fruiting plant, a fruiting body is involved in the reproduction of a fungus. A mushroom is a fruiting body , which is the part of the fungus that produces spores ( Figure below ). The spores a...
SCiQ_train
Which action forms a different chemical substance?
[ "crushing a rock", "burning a piece of wood", "mixing salt and pepper", "melting an ice cube" ]
B
MMLU_train
Plants need green leaves to make food. A plant needs sunlight and carbon dioxide from the air for making food and it also needs water and salts from the soil to make food too. There are certain cells in the leaves which change carbon dioxide and water into sugar. To do this the cells needs energy, which they get fro...
[ "the air", "the soil", "the green leaves", "dead leaves" ]
D
MMLU_train
A skunk produces a bad what?
[ "food", "reek", "computer", "title" ]
B
MMLU_train
A train takes 6 hours to cover a distance of 540 Km. how much should the speed in Kmph be maintained to cover the same direction in 3/2th of the previous time?
[ "60 Kmph", "60 Kmph", "59 Kmph", "54 Kmph" ]
A
Time = 6 Distance = 540 3/2 of 6 hours = 6 * 3/2 = 9 Hours Required speed = 540/9 = 60 Kmph C)
AquaRat_train
Chris age after 20 years will be 5 times his age 5 years back. what is the present age of Chris?
[ "C)15", "A)20", "B)25", "E)5" ]
D
Chris present age= x after 20 years = x+20 5 years back = x-5 x+20= 5(x-5) x=5 Answer is E
AquaRat_train
A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of interest?
[ "5%", "6%", "4%", "3%" ]
B
S.I. = Rs. (15500 - 12500) = Rs. 3000. Rate =((100 x 3000)/(12500 x 4))% = 6% Answer :D
AquaRat_train
An article is bought for Rs.600 and sold for Rs.500, find the loss percent?
[ "16 2/6%", "19 2/9%", "16 9/3%", "16 2/3%" ]
D
600 ---- 100 100 ---- ? => 16 2/3% Answer: D
AquaRat_train
What kind of muscle is responsible for making the human heart beat?
[ "cardiac muscle", "teres minor", "respiratory muscle", "deltoid" ]
A
Muscle tissue consists of cells that can contract, or shorten. Examples include skeletal muscle, which is attached to bones and makes them move. Other types of muscle include cardiac muscle, which makes the heart beat, and smooth muscle, which is found in other internal organs.
SCiQ_train
What medical emergency occurs when a blood clot blocks blood flow to part of the brain, causing death of brain cells?
[ "cardiac arrest", "epileptic seizure", "heart murmur", "stroke" ]
D
A stroke occurs when a blood clot blocks blood flow to part of the brain. Brain cells die quickly when their oxygen supply is cut off. Therefore, a stroke may cause permanent loss of normal mental functions. Many stroke patients suffer some degree of paralysis, or loss of the ability to feel or move certain parts of th...
SCiQ_train
A very small artery that leads to a capillary is known as what?
[ "vein", "arterium", "capillary junction", "arteriole" ]
D
Arterioles An arteriole is a very small artery that leads to a capillary. Arterioles have the same three tunics as the larger vessels, but the thickness of each is greatly diminished. The critical endothelial lining of the tunica intima is intact. The tunica media is restricted to one or two smooth muscle cell layers i...
SCiQ_train
If a species of plant or animal ceases to exist on earth, either by natural causes or by activities of humans, the loss of the plant or animal
[ "reversible extinction", "cannot be undone", "reversible", "a subspecies" ]
B
MMLU_train
There are robots all around us. Some do very complicated jobs like flying airplanes and driving subway trains. and some do one simple job. When an automatic washing machine is switched on, water pours in. The machine waits until the water is warm enough for washing clothes. It does this by "feedback" . Information abou...
[ "robots are very popular", "there are various kinds of robots", "we see robots only at certain times", "robots can be easily controlled" ]
A
MMLU_train
If 2x + y = 4 and x + 2y = 5, then (x + y)/3 =
[ "1", "4", "4/3", "18/5" ]
A
We have two equations: 2x + y = 4 x + 2y = 5 Notice that something nice happens when we ADD them. We get: 3x + 3y = 9 Divide both sides by 3 to get:x + y = 3 So, (x + y)/3 =3/3=1 Answer: A
AquaRat_train
What are the three most common protective devices?
[ "fuses, circuit breaks & surge protectors", "fuses , fabrication breaks & surge protectors", "tranistors, resistors & diodes", "fuses , circuit breaks & surge claws" ]
A
There are multiple ways to prevent these situations from occurring. The three most common protective devices are fuses, circuit breakers, and surge protectors.
SCiQ_train
A train 600 m long can cross an electric pole in 20 sec and then find the speed of the train?
[ "108 Kmph", "72 Kmph", "28 Kmph", "97 Kmph" ]
A
Length = Speed * time Speed = L/T S = 600/20 S = 30 M/Sec Speed= 30*18/5 (To convert M/Sec in to Kmph multiply by 18/5) Speed = 108 Kmph Answer: E
AquaRat_train
I like to get up late, so my ideal school starts at 9: 00 a. m. It finishes at 3: 00 p. m. So we can do lots of sports after school. In my ideal school, there is a big dining hall. We have an hour for lunch. We can listen to music in the hall. We can have maths every day because I think maths is very interesting. The c...
[ "Because it is interesting.", "Because it is very important.", "Because it is very useful.", "Because I will be a maths teacher." ]
A
MMLU_train
In a certain encryption pattern, HARD is coded as 1357 and SOFT is coded as 2468, What will 21448 stand for?
[ "SHAFT", "SHOOT", "SHAOT", "SHORT" ]
B
on the behlaf of order like h =1 a=3 r=5 and so on. so 21448 is SHOOT ANSWER:C
AquaRat_train
Share Rs.5400 among John, Jose & Binoy in the ration 2 : 4 : 6.Find the amount received by John?
[ "1400", "980", "1240", "1800" ]
D
Amount received by sanjay. 4 / 12 X 5400 = 1800= ( related ratio / sum of ratio ) x Total amount So, the Amount received by sanjay is 1800. A
AquaRat_train
A river 2m deep and 45 m wide is flowing at the rate of 7 kmph the amount of water that runs into the sea per minute is?
[ "4500 M3", "4580 M3", "4700 M3", "10500 M3" ]
D
Explanation: (7000 * 2 * 45)/60 = 10500 M3 Answer: Option C
AquaRat_train
Robert is travelling on his cycle andhas calculated to reach point A at 2 PM. if he travels at 10 kmph, he will reach there at 12Pm if he travels at 15 kmph. At what speed must he travel to reach A at 1 PM?
[ "5 kmph", "8 kmph", "12 kmph", "8 kmph" ]
C
Let the distance travelled by x km. Then, x - x = 2 10 15 3x - 2x = 60 x = 60 km. Time taken to travel 60 km at 10 km/hr = 60 hrs = 6 hrs. 10 So, Robert started 6 hours before 2 P.M. i.e., at 8 A.M. Required speed = 60 kmph. = 12 kmph. 5 B
AquaRat_train
What are the dark areas that appear on the sun called?
[ "anomalies", "coreolis effect", "sunspots", "coronas" ]
C
Tiny Mercury is the small black dot in the lower center of this picture of the Sun. The larger dark area near the left edge is a sunspot.
SCiQ_train
Around 1200 species of what broad animal group are currently at risk of extinction due to human activity?
[ "mammals", "birds", "reptiles", "amphibians" ]
B
Today, some 1,200 species of birds are threatened with extinction by human actions. Humans need to take steps to protect this precious and important natural resource. What can you do to help?.
SCiQ_train
Have you ever had a doctor write you a prescription for three laps around a local trail ? How about a prescription for sit-ups? These treatments may not be as typical as the drugs that are usually used to treat our problems, but maybe they should be: a new report shows that regular exercise can be just as effective as...
[ "To compare the two studies to find their similarities.", "To prove the theory: regular exercise can reduce people's depression and anxiety.", "To compare Jasper Smith's study with the two ones.", "To help those suffering from depression and anxiety get rid of them." ]
B
MMLU_train
refraction is when light bends and when it stops producing light after hitting something its its
[ "sleeping", "smelting", "absorbtion", "cooking" ]
C
MMLU_train
What are convection currents that occur far below the surface of the ocean called?
[ "waves", "subsequent currents", "deep currents", "flat currents" ]
C
Deep currents are convection currents that occur far below the surface. They are caused by differences in the density of ocean water.
SCiQ_train
What's the best way humans can conserve water?
[ "use less", "boil it", "salt it", "use more" ]
A
The water supply can be harmed in two major ways. The water can be polluted, and it can be overused. Protecting the water supply must address both problems. We need to reduce how much pollution ends up in the water supply—keeping water from being polluted is easier and cheaper than cleaning it. We need to treat water t...
SCiQ_train
What is a group of connected cells that have a similar function within an organism called?
[ "organ", "nucleus", "tissue", "colony" ]
C
A tissue is a group of connected cells that have a similar function within an organism. More complex organisms such as jellyfish, coral, and sea anemones have a tissue level of organization. For example, jellyfish have tissues that have separate protective, digestive, and sensory functions.
SCiQ_train
Given that E and F are events such that P(E) = 36, P(F) = 24 and P(E n F) = 36, find P (E|F) and P(F|E)
[ "12", "2", "5", "8" ]
B
Here, E and F are events P(E|F) = P(EnF)/P(F) = 36/36 = 1 P(F|E) = P(EnF)/P(E) = 36/24 = 2. C)
AquaRat_train
What function of the car is affected by the pedal that controls the amount of gas the engine gets?
[ "transmission", "braking", "acceleration", "shifting" ]
C
The car pedal on the right controls the amount of gas the engine gets. How does this affect the car’s acceleration?.
SCiQ_train
What term describes a specific statement that is thought to be never violated by the entire natural universe?
[ "scientific law", "hypothesis", "evidence", "theory" ]
A
A scientific law is a specific statement that is thought to be never violated by the entire natural universe. Everyday laws are arbitrary limits that society puts on its members.
SCiQ_train
Once there was an old man who liked being told lies. He said "Any man who can tell me two lies which can satisfy me can marry my daughter." So all the liars in the countryside came to his house. But he said to all of them, "I am not satisfied with your lies. I would not give my daughter to any of you. One day, however,...
[ "satisfied the old man", "wanted to marry the old man's daughter", "were successful", "were tired of telling others lies" ]
B
MMLU_train
x, y, and z are three positive integers whose average is 10. If x≤y≤z and z-x=3, which of the following could be the median Q of x, y, and z? I. 9 II. 10 III. 11
[ "I and III only", "I only", "III only", "II only" ]
A
Average gives us an idea that 3 nos. are close to 10. so 10, 10, 10 is an unacceptable option because (z-x =3), but it helps in getting other combinations. Let us see options. If 9 has to be median. 1st term has to less than 9 or equal to 9. (also maintain z-x = 3) 9 9 12 --> satisfies all conditions so 9 can be a medi...
AquaRat_train
Stoichiometric coefficients are used in chemical equations to indicate the amounts of reactants and what?
[ "fuels", "consumers", "products", "imports" ]
C
Stoichiometric coefficients are used in chemical equations to indicate the amounts of reactants and products.
SCiQ_train
What are vascular plants that produce seeds in cones called?
[ "deciduous", "evergreen", "angiosperms", "gymnosperms" ]
D
Gymnosperms are vascular plants that produce seeds in cones. Examples include conifers such as pine and spruce trees. The gymnosperm life cycle has a very dominant sporophyte generation. Both gametophytes and the next generation’s new sporophytes develop on the sporophyte parent plant. Figure below is a diagram of a gy...
SCiQ_train
How many millions of years ago did pangaea begin breaking apart?
[ "250", "500", "400", "600" ]
A
Pangaea has been breaking apart since about 250 million years ago. Divergent plate boundaries formed within the continents to cause them to rift apart. The continents are still moving apart. The Pacific is shrinking as the Atlantic is growing. The Appalachians ( Figure below ) are now on a passive margin. The mighty mo...
SCiQ_train
Not all think laughter is the best medicine, but it seems to help.So scientists carried on a new study of diabetes patients who were given a good dose of humor for a year to prove it. Researchers divide 20 high-risk diabetic patients into two groups.Both groups were given standard diabetes medicine.Group L viewed 30 ...
[ "To find out if laughter was good to health.", "To discover the best medicine to cure diabetes.", "Because the number of diabetic patients is the largest in the world.", "Because diabetic patients need more laughter than other patients." ]
A
MMLU_train
Wonderful Events HORSE RACING 100 YEARS OF PICTURES ALL YEAR ROUND THEN AND NOW (Photo Show) Races Starting at 3 p.m. February 1 - April 30 Every Sunday City Art Museum Racetrack only 20 Miles Away 750, High Street Lots of Parking Space Tuesday to Sunday City Stadium 10 a.m. - 5 p.m. Fre...
[ "At 3 p.m. this Saturday.", "At 3 p.m. this Sunday.", "At 3 p.m. this Friday.", "At 3 p.m. every Saturday." ]
A
MMLU_train
The simple interest on Rs.13000 at a certain rate of interest in five years is Rs.7200. Find the compound interest on the same amount for two years at the same rate of interest.
[ "3052.85", "3052.82", "3039.51", "3039.82" ]
C
R = 100 I / PT => R = (100 * 7200)/ (13000 * 5) = 11.07% CI = P{ [1 + R /100]n - 1} = 13000 { [ 1 + 11.07 / 100]^2 - 1} = Rs.3039.51 Answer:D
AquaRat_train
American beekeeping operations have been hit hard by what scientists call colony collapse disorder(C.C.D.). Almost half of their worker bees have disappeared during the past season. C.C.D. has also been reported in Israel, Europe and South America. Bees fly away from the hive and never return. Sometimes they are found ...
[ "Israeli acute paralysis virus should be responsible for the disorder", "the solution to the bee disorder will be found eventually", "American bees are more likely to defend themselves than Australian bees", "the crop and plant production in U.S may be influenced by the bee disorder" ]
D
MMLU_train
The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is
[ "5%", "8.75%", "None", "6%" ]
A
Solution Increase in 10 years = (262500 - 175000) = 87500. Increase% = (87500/175000×100)% = 50%. Required average = (50/10)% = 5%. Answer B
AquaRat_train
George went to a fruit market with certain amount of money. With this money he can buy either 40 oranges or 40 mangoes. He retains 10% of the money for taxi fare and buys 20 mangoes. How many oranges can he buy?
[ "25", "12", "20", "30" ]
A
Let the amount of money be 200 Let cost of 1 Orange be 4 Let cost of 1 mango be 4 He decides to retain 10% of 200 = 20 for taxi fare, so he is left with 180 He buys 20 mangoes ( @ 4) so he spends 80 Money left is 100(180 - 80) No of oranges he can buy = 100/4 =>25 So, George can buy 25 Oranges. A
AquaRat_train
A unique type of organism is also known as what?
[ "element", "parasites", "taxonomy", "species" ]
D
A species is a unique type of organism. Members of a species can interbreed and produce offspring that can breed (they are fertile). Organisms that are not in the same species cannot do this. Examples of species include humans, lions, and redwood trees. Can you name other examples?.
SCiQ_train
Many observatories are built on high mountains to avoid interference from what?
[ "animal life", "the atmosphere", "artificial light", "airplanes" ]
B
Telescopes on Earth all have one big problem: incoming light must pass through the atmosphere. This blocks some wavelengths of radiation. Also, motion in the atmosphere distorts light. You see this when you see stars twinkling in the night sky. Many observatories are built on high mountains. There is less air above the...
SCiQ_train
A train 900 m long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 min, then the length of the tunnel is?
[ "400", "500", "540", "520" ]
A
Speed = 78 * 5/18 = 65/3 m/sec. Time = 1 min = 60 sec. Let the length of the train be x meters. Then, (900 + x)/60 = 65/3 x = 400 m. Answer: Option A
AquaRat_train
Women are friendly. But men are more competitive. Why? Researchers have found it's all down to the hormone oxytocin . Although known as the love hormone, it affects the sexes differently. "Women tend to be social in their behavior. They often share with others. But men tend to be competitive. They are trying to improve...
[ "Placebo.", "Oxytocin.", "The gesture.", "The social status." ]
B
MMLU_train
What are the two most common silicates?
[ "Petalite and Analcime", "feldspar and quartz", "Petalite and Quartz", "Analcime and Feldspar" ]
B
Feldspar and quartz are the two most common silicates. In beryl, the silicate pyramids join together as rings. Biotite is mica. The silicate pyramids come together to create thin, flexible sheets. Compare the beryl and the biotite pictured below ( Figure below ).
SCiQ_train
Your cell phone holds secrets about you. Besides the names and numbers that you've programmed into it, traces of your DNA remain on it, according to a new study. DNA is genetic material that appears in every cell. Like your fingerprint, your DNA is unique to you --- unless you have an identical twin. Scientists today u...
[ "let them leave their traces on their phones", "avoid keeping their cell phones too long", "give them a chance to get rid of their secrets", "find out who is responsible for the crime" ]
A
MMLU_train
One day when I opened my email, a beautiful woman named Rachel appeared on my computer screen. She greeted me by name and started talking with great enthusiasm. Every now and then she stopped to smile at me or blow a kiss. It was pretty cool. Rachel was there thanks to Facemail. Facemail lets you send email that ...
[ "is a kind of software unlikely to be downloaded for free", "will be in control of the email system soon", "can also be used in other ways in everyday life", "is likely to harm your email if wrongly used" ]
C
MMLU_train
A book store bought copies of a new book by a popular author, in anticipation of robust sales. The store bought 400 copies from their supplier, each copy at wholesale price x. The store sold the first 150 copies in the first week at 80% more than x, and then over the next month, sold a 100 more at 20% more than x. Fina...
[ "20% profit", "30% loss", "60% profit", "10% loss" ]
A
[[x(150)(1.8)+x(100)(1.2)+x(150)(0.6)]/400x] - 1 [50[(3)(1.8) + (2)(1.2) + (3)(0.6)] / (50)(8)] - 1 [(5.4 + 2.4 + 1.8)/8] - [8/8] +1.6/8 +20% answer is D
AquaRat_train
If P * Q implies (P2 + Q2), 8 * (3 * 2) = ?
[ "233", "640", "86", "104" ]
A
Explanation: We have, P * Q = (P2 + Q2) ......... Given 8 * (3 * 2) = ? 8 * 13 = (64 +169) = 233 ANSWER C
AquaRat_train
Many times when people hear the words social networking, their brains automatically go to sites such as Twitter or Facebook.However, there are sites for those into social networking and into reading. Sound crazy? It's really not. If you' ve ever wanted a site where you can receive book recommendations, follow your favo...
[ "you have a lot of websites to log on", "you'd better go to Goodreads.com", "you should go to bookstores or libraries", "you can go to Twitter or Facebook" ]
B
MMLU_train
Which gas moves from the blood in the capillaries into the air?
[ "nitrogen", "carbon dioxide", "carbon monoxide", "oxygen" ]
B
Unlike oxygen, carbon dioxide is more concentrated in the blood in the capillaries surrounding the alveoli than it is in the air inside the alveoli. Therefore, carbon dioxide diffuses in the opposite direction. It moves out of the blood and into the air.
SCiQ_train
Find the value of (2 − 1/3) (1 − 1/4)(1 − 1/5)……… (1 − 1/99)(1 − 1/100)
[ "3/25", "1/15", "1/17", "1/20" ]
D
Option 'C' (2 − 1/3) (1 − 1/4)(1 − 1/5)..... (1 − 1/99)(1 − 1/100) 5/3 × 3/4 × 4/5 × ....... 98/99 × 99/100 = 5/100 = 1/20
AquaRat_train
What is the greatest integer that will always evenly divide the sum of two consecutive even integers?
[ "6", "2", "12", "4" ]
B
Let the three consecutive even integers be 2x , 2x + 2 Sum = 2x + 2x + 2 = 4x+2 = 2(2x+1) Therefore , 2 will always be a factor . Answer A
AquaRat_train
What should you use to protect your eyes from chemicals?
[ "certain goggles", "eye goggles", "your hands", "contacts" ]
B
SCiQ_train
Molecules are represented by symbols that all who agree on?
[ "astrologists", "chemists", "physics", "geologists" ]
B
This passage from a Bach cello suite could be played by any trained musician from any country, because there is agreement as to what the symbols on the page mean. In the same way, molecules are represented using symbols that all chemists agree upon.
SCiQ_train
The temperature of the box is related to the average speed of what?
[ "air", "earth", "light", "molecules" ]
D
The temperature of the box is related to the average speed of the molecules. Use momentum principles to relate temperature to pressure. Explain conceptually, in words rather than with equations.
SCiQ_train
What structure is made from dna and protein molecules coiled together?
[ "atoms", "chromosome", "enzymes", "bacterium" ]
B
As a cell prepares to divide, its DNA first forms one or more structures called chromosomes. A chromosome consists of DNA and protein molecules coiled into a definite shape. Chromosomes are circular in prokaryotes and rodlike in eukaryotes. You can see an example of a human chromosome in Figure below . The rest of the ...
SCiQ_train
Humans depend on which natural resource from the environment?
[ "water", "houses", "electricity", "roads" ]
A
MMLU_train