question stringlengths 1 5.01k | choices listlengths 4 4 | answer stringclasses 4
values | support stringlengths 0 3.68k | source stringclasses 3
values |
|---|---|---|---|---|
Some sea anemones establish what kind of relationship with hermit crabs by attaching to the crab’s shell? | [
"mutualistic",
"pathogenic",
"parasitic",
"predatory"
] | A | The mouth of a sea anemone is surrounded by tentacles that bear cnidocytes. The slit-like mouth opening and pharynx are lined by a groove called a siphonophore. The pharynx is the muscular part of the digestive system that serves to ingest as well as egest food, and may extend for up to two-thirds the length of the bod... | SCiQ_train |
Hello! My name is Becky Sharp. I'm eleven years old. I've got one brother--his name's Jonson and he's fourteen. I haven't got any sisters. I live with my mum , dad and grandma in a small house in Chesterfield,in the north of England. There are lots of things to do here. My friends and I go to the cinema on Saturdays. D... | [
"three",
"four",
"five",
"six"
] | C | MMLU_train | |
Which kingdom are mosses and trees included in? | [
"fungus",
"protista",
"gymnosperm",
"plant"
] | D | Mateusz Kulawik. Mosses and trees are all part of the plant kingdom . CC BY 2.0. | SCiQ_train |
An acellular, external cuticle protects the _________. | [
"stomach",
"dermis",
"lungs",
"epidermis"
] | D | Anatomy The epidermis is protected by an acellular, external cuticle, but this is much thinner than the cuticle found in the ecdysozoans and does not require periodic shedding for growth. Circular as well as longitudinal muscles are located interior to the epidermis. Chitinous hairlike extensions, anchored in the epide... | SCiQ_train |
Which part of the nephron collects wastes in the blood? | [
"tubule",
"vesicle",
"waste sac",
"filter"
] | A | The part of each nephron called the glomerulus is where blood in the capillaries is filtered. Excess water and wastes are filtered out of the blood. The tubule of the nephron collects these substances. Some of the water is reabsorbed. The remaining fluid is urine. | SCiQ_train |
Find the value of (20C18)*(20C20) | [
"380",
"400",
"360",
"350"
] | A | 20C20 = 1
(20C2)*(20C20) = 20! * 1/18!
= 20*19*18!/18!
= 20*19*1
= 380
ANSWER:B | AquaRat_train |
What is responsible for the properties of metals? | [
"the metallic yield",
"the metallic presence",
"the metallic properties",
"the metallic bond"
] | D | The metallic bond is responsible for the properties of metals. | SCiQ_train |
1,-3,2,-4,3,-5.... upto 2000 terms. find the average | [
"1",
"2",
"-1",
"0"
] | C | here in the question the average is asked for up to 2000 terms.
so up to 2000 terms will be
{1,-3,2,-4,3,-5,.........,1000,-1002}
so if we add them like this
{(1-3)+(2-4)+(3-5)+.........+(1000-1002)}
this will a sum of
{-2-2-2-2-......-2} for thousand times
i.e. {1000*(-2)}
therefore the sum is -2000
the average will b... | AquaRat_train |
Splitting of the nucleus of a radioactive atom into two smaller nuclei yields what type of reaction, which releases a great deal of energy from a small amount of matter? | [
"nuclear fusion",
"nucleation",
"solar fission",
"nuclear fission"
] | D | Nuclear fission is the splitting of the nucleus of a radioactive atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. Fission of a tiny pellet of radioactive uranium-235, like the one pictured in the Figure below , releases as much energy as burning 1,0... | SCiQ_train |
Convert 0.38 in to a vulgar fraction ? | [
"19/50",
"None",
"17/50",
"16/50"
] | A | Answer
0.38 = 38/100 = 19/50
Correct Option: D | AquaRat_train |
Pieces of the cell break off and form a new cell in what type of reproduction that produces genetically identical organisms? | [
"Meiosis",
"Mitosis",
"fragmentation",
"Fusion"
] | C | Like bacteria, reproduction in archaea is asexual. Archaea can reproduce through binary fission , where a parent cell divides into two genetically identical daughter cells. Archaea can also reproduce asexually through budding and fragmentation, where pieces of the cell break off and form a new cell, also producing gene... | SCiQ_train |
Cats are most closely related to which of the following animals? | [
"crocodiles",
"whales",
"frogs",
"penguins"
] | B | MMLU_train | |
Population growth is determined by rates of birth, death, immigration, and what else? | [
"emigration",
"exploitation",
"excitation",
"relaxation"
] | A | Population growth is determined by rates of birth, death, immigration, and emigration. | SCiQ_train |
In a car wheel, four spokes cover 40 degree. Then for the entire car,how many spokes are there? | [
"200",
"158",
"120",
"144"
] | D | given, 4 spokes cover 40degrees,
so for 360 degrees.---->360*4/40=36..
so, for entire car, 4*36=144
ANSWER:B | AquaRat_train |
What is the smallest positive integer K such that the product of 2205 x K is a perfect square? | [
"63",
"15",
"25",
"5"
] | D | A perfect square, is just an integer that can be written as the square of some other integer. For example 16=4^2, is a perfect square.
Now, 2205 = 3^2 * 7^7 * 5, so if k=5 then 2205 k = (3 * 7 * 5)^2, which is a perfect square (basically the least positive value of k must complete only the power of 7 to even power as p... | AquaRat_train |
In a graduate physics course, 70 percent of the students are male and 30 percent of the students are married. If two-sevenths of the male students are married, what fraction of the male students is single? | [
"2/3",
"5/7",
"1/3",
"2/7"
] | B | let assume there are 100 students of which 70 are male and 30 are females
if 30 are married then 70 will be single.
now its given that two-sevenths of the male students are married that means 2/7 of 70 = 20 males are married
if 30 is the total number of students who are married and out of that 20 are males then the rem... | AquaRat_train |
A and B complete a work in 8 days. A alone can do it in 12 days. If both together can do the work in how many days? | [
"4.8 days",
"2.44 days",
"2.99 days",
"3.99 days"
] | A | 1/8 + 1/12 = 5/24
24/5 = 4.8 days
Answer: D | AquaRat_train |
Boys and girls,as we all know,most people,especially young people ,tend to care about their hair much because hair plays a very important role in our appearance.But can you imagine what other uses hair has?Do you have any idea that human hair may become a new solar energy soutce?Before we begin with the new content of ... | [
"A famous scientist.",
"A reporter of The Daily Mail.",
"A senior hight school teacher.",
"A famous hairdresser."
] | C | MMLU_train | |
What is the muscular organ that nourishes and supports the growing embryo? | [
"uterus",
"ovary",
"stomach",
"fallopian tube"
] | A | The Uterus and Cervix The uterus is the muscular organ that nourishes and supports the growing embryo (see Figure 27.14). Its average size is approximately 5 cm wide by 7 cm long (approximately 2 in by 3 in) when a female is not pregnant. It has three sections. The portion of the uterus superior to the opening of the u... | SCiQ_train |
If A and B are two events such that P (A) = 3/4, P (B) = 1/2 and P (A n B) = 3/8,
find P (not A and not B). | [
"1/9",
"2/5",
"1/11",
"1/8"
] | D | P(not A and not B) = 1 - (P(A) + P(B) - P(AB))
which you might find somewhere in your text.
Substituting in our probabilities we get:
P(not A and not B) = 1 - (3/4 + 1/2 - 3/8)
P(not A and not B) = 1 - (7/8)
P(not A and not B) = 1/8.
B | AquaRat_train |
The soil beneath a deciduous forest is called what? | [
"pedalfer",
"forest floor",
"cocklebur",
"trichina"
] | A | The soil beneath a deciduous forest is a pedalfer. These soils are very fertile. | SCiQ_train |
What planet is closest to our sun? | [
"Earth",
"Pluto",
"Venus",
"mercury"
] | D | Mercury is very close to the Sun, so it can get very hot. Mercury also has virtually no atmosphere. As the planet rotates very slowly, the temperature varies tremendously. In direct sunlight, the surface can be as hot as 427°C (801°F). On the dark side, the surface can be as cold as –183°C (–297°F)! The coldest tempera... | SCiQ_train |
What are the light highlands of the moon called? | [
"mariae",
"kepler hills",
"terrae",
"craters"
] | C | The lunar surface has dark basalt maria. The light highlands are called terrae. | SCiQ_train |
If A = {9, 17, 25, 28, 29, 30}, how much less is the mean of the numbers in A than the median of the numbers in S? | [
"3.2",
"9.6",
"3.5",
"1.0"
] | C | This is a good question to understand the difference between mean and median.
Mean: Average of all the numbers. (Sum of all the elements divided by the number of elements)
Median: Arrange the elements of the set in increasing order. If the number of terms is odd, the middle term is the median. If the number of terms is... | AquaRat_train |
What is another name for a reasonable explanation for something that might be formed near the beginning of a scientific inquiry into a problem? | [
"hypothesis",
"conclusion",
"theory",
"experiment"
] | A | After doing the research, the farmer will try to answer the question. She might think, “If I don’t plow my fields, I will lose less soil than if I do plow the fields. Plowing disrupts the soil and breaks up roots that help hold soil in place. ” This answer to her question is a hypothesis . A hypothesis is a reasonable ... | SCiQ_train |
Puberty and other physical changes occurs during which stage of development? | [
"adolescence",
"adulthood",
"childhood",
"infancy"
] | A | Adolescence includes the physical changes of puberty among other changes. | SCiQ_train |
A particular organism is able to survive in an environment due to a thick layer of fat beneath its skin. In which situation would the layer of fat most likely be a survival advantage? | [
"swimming in arctic waters",
"eating large amounts of fish",
"being preyed upon by other animals",
"living in an environment with high temperatures"
] | A | MMLU_train | |
If (4x + 3)(x - 2) = 4x^2 + x, what is a possible value of x? | [
"5",
"-1",
"6",
"-6"
] | B | Rearranging the given expression:
(4x + 3)(x - 2) = 4x^2 + x
i.e. 4x^2 - 5x - 6 = 4x^2 + x
i.e. -6x = 6
i.e. x = 6/-6 = -1
Answer: Option C
Had it been a difficult expression to solve further, then we could have used options to check which on esatisfies the expression after solving it as further as possible | AquaRat_train |
The rising and sinking of these can cause precipitation? | [
"global air currents",
"underwater currents",
"circular air currents",
"temporary air currents"
] | A | Global air currents affect precipitation. How they affect it varies with latitude ( Figure below ). Where air rises, it cools and there is precipitation. Where air sinks, it warms and causes evaporation. These patterns are part of the global wind belts. | SCiQ_train |
The music class consists of 4 girls and 5 boys. How many ways can a group of 3 be formed if it has to include at least one boy? | [
"165",
"158",
"161",
"80"
] | D | Reverse combinatorics approach is preferred method on this one
Note that at least 1 boy gives clue to using this method
All combinations - four girls = answer
All combinations is 9C3 = 84
All girls 4C3 = 4
So our answer is 84-4 = 80
Hence, answer is (A) | AquaRat_train |
The Big Bang theory states that the universe | [
"is contracting.",
"has no beginning.",
"started as a single mass.",
"is constantly forming hydrogen."
] | C | MMLU_train | |
In statistics a boundary on the precision and accuracy is known as what? | [
"median",
"frequency",
"instance",
"error"
] | D | An error is a boundary on the precision and accuracy of the result of a measurement. Some errors are caused by unpredictable changes in the measuring devices (such as balances, rulers, or calipers), but other errors can be caused by reading a measuring device incorrectly or by using broken or malfunctioning equipment. ... | SCiQ_train |
The process where eroded material is dropped somewhere is called? | [
"maturation",
"diffusion",
"deposition",
"diffusion"
] | C | Erosion and deposition are responsible for many landforms. Erosion is the transport of sediments. Agents of erosion include flowing water, waves, wind, ice, or gravity. Eroded material is eventually dropped somewhere else. This is called deposition . | SCiQ_train |
In a recent election, Ms. Robbins received 7,200 votes cast by independent voters, that is, voters not registered with a specific political party. She also received 10 percent of the votes cast by those voters registered with a political party. If N is the total number of votes cast in the election and 40 percent of th... | [
"0.1N + 7,200",
"0.06N + 7,200",
"0.06N + 8,000",
"0.06N + 3,200"
] | B | total vote = N
vote cast by independent voters = 0.4 N
vote cast by registered voters = 0.6 N
vote received by Ms. Robbins = 7200 + 10% of vote be registered voters = 7200 + 0.06 N
Answer choice C | AquaRat_train |
A Hong Kong Disneyland park admission ticket is your passport to a full day of magical adventures. Learn the ways to buy your tickets now. Three types of 1-day ticket are available: Ticket Type Price General Admission Ticket (aged 12--64) HK $ 499 Child Ticket (aged 3----11) HK $ 355 Senior Ticket (aged 65 or above) HK... | [
"HK $ 998",
"HK $ 854",
"HK $ 499",
"HK $ 1353"
] | A | MMLU_train | |
If you're a male and you're reading this, congratulations: you're a survivor. According to a survey, you're more than twice as likely to die of skin cancer than a woman, than nine times more likely to die of AIDS. Assuming you make it to the end of your natural term, about 78 years for men in Australia, you'll die on a... | [
"I should avoid playing golf",
"it could happen to me, too",
"I should consider myself lucky",
"it would be a big misfortune"
] | B | MMLU_train | |
What do you do when you need to look something up? Go to the library? Open an encyclopedia ? Click onto the Internet? These days, most people go straight to Wikipedia, the online encyclopedia. But how reliable is it? There is no denying the popularity and usefulness of Wikipedia. It attracts as many as 78 million visit... | [
"because of its popularity, 78 million people from 270 countries visit Wikipedia monthly",
"Wikipedia is the most comprehensive resource with all information we need",
"anyone who has access to the Internet can edit any contents of Wikipedia as they like",
"the primary job of the administrator is to make sure... | D | MMLU_train | |
To the extent that behaviors are controlled by what, they may evolve through natural selection? | [
"mutation",
"dna",
"genes",
"rna"
] | C | To the extent that behaviors are controlled by genes, they may evolve through natural selection. If behaviors increase fitness , they are likely to become more common over time. If they decrease fitness, they are likely to become less common. | SCiQ_train |
What device changes kinetic energy to electrical energy through electromagnetic induction? | [
"due generator",
"Emission generator",
"electric generator",
"real generator"
] | C | An electric generator is a device that changes kinetic energy to electrical energy through electromagnetic induction. Electromagnetic induction is the process of generating electric current with a magnetic field. It occurs when a magnetic field and an electric conductor, such as a coil of wire, move relative to one ano... | SCiQ_train |
A train travelling at a speed of 75 mph enters a tunnel 3 1/2 miles long. The train is 1/4 mile long. How long does it take for the train to pass through the tunnel from the moment the front enters to the moment the rear emerges? | [
"3.2 min",
"2.5 min",
"None",
"3 min"
] | D | Solution
Total distance covered = (7/2 + 1/4) miles
= 15 / 4 miles
= (18 x 5 /18) km/hr
Time taken = (15 / 4 x 75) hrs
= 1 /20 hrs
= (1 / 20 x 60)
= 3 min.
Answer B | AquaRat_train |
More and more people take part in marathons these days - over 30,000 people will run the London Marathon this weekend, for instance. But it's not just the 26 miles and 385 yards that could be a daunting prospect. "I have to admit to being completely frustrated by the blocking and for 18-19 miles was just keeping away f... | [
"The long distance.",
"Too many participants.",
"The dangerous blocking.",
"Serious injuries in forearms."
] | C | MMLU_train | |
In an exothermic reaction, what, specifically, is released? | [
"humidity",
"precipitation",
"heat",
"water"
] | C | When methane gas is combusted, heat is released, making the reaction exothermic. Specifically, the combustion of 1 mol of methane releases 890.4 kilojoules of heat energy. This information can be shown as part of the balanced equation. | SCiQ_train |
The radius of a cylinder is 8 m, height 13 m. The volume of the cylinder is: | [
"4400",
"3300",
"1100",
"2614.9"
] | D | Cylinder volume = πr(power2)h
= 22/7 × 8 × 8 × 13
= 2614.9 m(power3)
Answer is B. | AquaRat_train |
What are the three stages of water? | [
"ice, rock, sky",
"ice, liquid, vapor",
"liquid, underground, frozen",
"vapor, earth, internal"
] | B | (A) Natalie Lucier; (B) Gareth Haywood; (C) Lynn Greyling. Ice, liquid, and water vapor are the three phases of water . (A) CC BY 2.0; (B) CC BY 2.0; (C) Public Domain. | SCiQ_train |
What percent of a day is 6 hours? | [
"25%",
"20%",
"10 %",
"6.25%"
] | A | Total hours in a day = 24
Required percent =6×100=25%
---
24
Answer: Option C | AquaRat_train |
During the day we work and play; at night we sleep. Our bodies rest while we sleep. In the morning we are ready to work and play again. While we are asleep our bodies grow most. Children usually need more sleep. We can get our lessons better and we feel better too, when we have plenty of rest. Boys and girls need ten h... | [
"fresh air",
"Cool air",
"Warm air",
"Dry air"
] | B | MMLU_train | |
Out of first 20 natural numbers, one number is selected at random. The probability that it is either an even number or a prime number is? | [
"17/24",
"17/25",
"17/20",
"17/21"
] | C | n(S) = 20
n(Even no) = 10 = n(E)
n(Prime no) = 8 = n(P)
P(EᴜP) = 10/20 + 8/20 - 1/20 = 17/20
Answer: D | AquaRat_train |
In how many years Rs 200 will produce the same interest at 10% as Rs. 400 produce in 5 years at 12% | [
"13",
"16",
"15",
"12"
] | D | Explanation:
Clue:
Firstly we need to calculate the SI with prinical 400,Time 5 years and Rate 12%, it will be Rs. 240
Then we can get the Time as
Time = (100*240)/(200*10) = 12
Option C | AquaRat_train |
What is the term for a mixture that varies in its composition? | [
"amorphous",
"mixed composition",
"homogeneous",
"heterogeneous"
] | D | The rock in Figure above is an example of a heterogeneous mixture. A heterogeneous mixture varies in its composition. The black nuggets, for example, are not distributed evenly throughout the rock. | SCiQ_train |
I love to tell the story about how I met my best friend---- Tiger. We met at the school fair. Each year, all the fourth-grade classes hold a school fair. Everyone in the fourth-grade works at the fair. Some sell ice cream, drinks and snacks. Others take care of the little children who ride the rides. I got the second j... | [
"ice cream sellers",
"all the school children",
"little boys and girls",
"the fourth-grade students"
] | D | MMLU_train | |
Like the marketplace, the metabolic economy is regulated by what basic principle? | [
"supply and demand",
"price and demand",
"jobs and demand",
"industrial and demand"
] | A | SCiQ_train | |
Meissner’s corpuscles are not as plentiful in the palms as they are in the what other part of the hand? | [
"fingertips",
"cuticles",
"bones",
"fingernails"
] | A | Which of the following statements about mechanoreceptors is false? a. Pacini corpuscles are found in both glabrous and hairy skin. Merkel’s disks are abundant on the fingertips and lips. Ruffini endings are encapsulated mechanoreceptors. Meissner’s corpuscles extend into the lower dermis. Meissner’s corpuscles, (shown ... | SCiQ_train |
A fruit seller had some mangoes. He sells 30% mangoes and still has 280 mangoes. Find the number of mangoes he had. | [
"228 mangoes",
"287 mangoes",
"400 mangoes",
"289 mangoes"
] | C | Explanation:
Suppose originally he had X mangoes.
Then, (100 – 30)% of X = 280
70/100 * X = 280
X = (280 * 100) / 70 = 400
ANSWER: B | AquaRat_train |
The kiwi bird The kiwi bird is a flightless bird,about the size of a chicken. It sleeps during the day and is active at nighttime. It has a long beak that is onethird the length of its body, and its beak actually has nostrils at the end. The kiwi is the only bird with this feature. Another unique feature of the kiwi ... | [
"It has no tail at all.",
"It has a long beak.",
"Its feathers are thick and brown.",
"There are nostrils at the end of its beak."
] | D | MMLU_train | |
How many halves are there in nine-fourth? | [
"8",
"3.2",
"4.5",
"7"
] | C | divide 9/4 by 1/2
=9/4÷1/2
=9/4*2/1
=18/4
=4.5.
Answer is B. | AquaRat_train |
Which object is least likely to have any light pass through it? | [
"a dog",
"a plastic bottle",
"a prism",
"a window"
] | A | MMLU_train | |
In a class there are a total of 8 rows of desks and each desk can seat one student. There are 10 desks in the first row. In each subsequent row there are 2 more desks than in the previous row. Find the maximum number of students seated in the class? | [
"132",
"136",
"112",
"118"
] | B | The 8 rows form an Arithmetic progression with first term 10 and last 24. Avg is 17.
so 17*8=136
Answer is C. | AquaRat_train |
The edge of a cube is 6a cm. Find its surface? | [
"126a2 cm2",
"216a2 cm2",
"150a2 cm2",
"116a2 cm2"
] | B | 6a2 = 6 * 6a * 6a = 216a2
Answer:E | AquaRat_train |
What is the most significant cause of respiratory disease as well as cardiovascular disease and cancer? | [
"smoking",
"driving",
"running",
"sleeping"
] | A | Smoking is the most significant cause of respiratory disease as well as cardiovascular disease and cancer. Exposure to tobacco smoke by smoking or by breathing air that contains tobacco smoke is the leading cause of preventable death in the United States. Regular smokers die about 10 years earlier than nonsmokers. The ... | SCiQ_train |
The density of bone is, in part, related to the amount of what mineral in one’s diet? | [
"barium",
"calcium",
"nitrogen",
"potassium"
] | B | The densities of many components and products of the body have a bearing on our health. Bones. Bone density is important because bone tissue of lower-than-normal density is mechanically weaker and susceptible to breaking. The density of bone is, in part, related to the amount of calcium in one’s diet; people who have a... | SCiQ_train |
What phenomenon is best described as evaporation? | [
"caffeine coming from hot cocoa",
"heat coming from hot cocoa",
"steam coming from hot cocoa",
"flavor coming from hot cocoa"
] | C | MMLU_train | |
An astronaut's work may sound exciting, but living in space isn't as fun as you think. The website www.space.com lists the disadvantages of living in space. Here are some of them. When astronauts work outside the station during spacewalks, they have to wear special gloves. The gloves are very tight. They can hurt the a... | [
"They feel very lonely.",
"They have to stay alone in space.",
"They have no friends.",
"They have no families."
] | A | MMLU_train | |
Cardinals | [
"have live births",
"eat only meat",
"incubate their food",
"incubate their young"
] | D | MMLU_train | |
Sachin is younger than Rahul by 9 years. If the ratio of their ages is 7:9, find the age of Sachin | [
"24.1",
"24.3",
"31.5",
"24.5"
] | C | If Rahul age is x, then Sachin age is x-9,
so (x-9)/x = 7/9
=> 9x-81 = 7x
=> 2x = 81
=> x = 40.5
So Sachin age is 40.5 - 9 = 31.5
Answer: A | AquaRat_train |
Fossils themselves and the order in which they appear in are generally collectively called what? | [
"fuel cycle",
"fossil record",
"coal record",
"fossil magnitude"
] | B | There are many layers of rock in the Earth's surface. Newer layers form on top of the older layers; the deepest rock layers are the oldest. Therefore, you can tell how old a fossil is by observing in which layer of rock it was found. The fossils and the order in which fossils appear is called the fossil record . The fo... | SCiQ_train |
The sum of first five prime numbers is: | [
"69",
"10",
"15",
"28"
] | D | Explanation:
Required sum = (2 + 3 + 5 + 7 + 11) = 28.
ANSWER D | AquaRat_train |
The reverse process of moving material into a cell is the process of what? | [
"endocytosis",
"exocytosis",
"proteolysis",
"osmosis"
] | B | Exocytosis The reverse process of moving material into a cell is the process of exocytosis. Exocytosis is the opposite of the processes discussed above in that its purpose is to expel material from the cell into the extracellular fluid. Waste material is enveloped in a membrane and fuses with the interior of the plasma... | SCiQ_train |
What is the are of an equilateral triangle of side 16 cm? | [
"64√1",
"64√3",
"64√5",
"64√7"
] | B | Area of an equilateral triangle = √3/4 S2
If S = 16, Area of triangle = √3/4 * 16 * 16
= 64√3 cm2;
Answer:D | AquaRat_train |
How many bones fuse together to form the cranium? | [
"8",
"8",
"3",
"6"
] | A | Fixed joints do not allow any bone movement. Many of the joints in your skull are fixed ( Figure below ). There are eight bones that fuse together to form the cranium. The joints between these bones do not allow movement, which helps protect the brain. | SCiQ_train |
A can do a work in 15 days and B in 20 days. If they work on it together for 8 days, then the fraction of the work that is left is | [
"1/15",
"7/15",
"3/15",
"8/15"
] | A | Person ( A ) ( B ) ( A+B )
Time - ( 15 ) ( 20 ) (-)
Rate - ( 20 ) ( 15 ) ( 35 )
Work -(300) (300) (300)
therefore A+B requires (300/35) days to complete entire work
For 1st 4 days they work 35 * 8 = 280
Remaining work is 300 - 280 = 20
Remaining fraction of work is = 20/300 = 1/15
Answer E | AquaRat_train |
A chef uses a metal spoon to stir noodles cooking in a pan. After five minutes, she notices that the thermal energy from the pan has made the spoon | [
"cold.",
"hot.",
"wet.",
"dry."
] | B | MMLU_train | |
The Ministry of Education in Singapore is releasing a new book this month that summarizes the thinking behind the model method for teaching math.The approach has drawn interest from many comers of the world thanks to the country's top performance on international exams.Last night, education officials and researchers fr... | [
"questions if math education in Singapore is successful",
"welcomes discussions on the US adaptation of Singapore methods",
"firmly believes that the Singapore model can be applied to the US",
"suggests that the US improve math education by adding state standards"
] | B | MMLU_train | |
Tomorrow is Saturday. I'm not going to work, and my brother isn't going to school. We are going to play table tennis. We are going to have lunch in a restaurant. We're coming home at five. My parents are going to visit my grandparents. They are going to get home at half past five. We are going to help my mother cook th... | [
"student",
"teacher",
"worker",
"manager"
] | A | MMLU_train | |
For each month of a given year except December, a worker earned the same monthly salary and donated one-tenth of that salary to charity. In December, the worker earned N times his usual monthly salary and donated one-fifth of his earnings to charity. If the worker's charitable contributions totaled one-sixth of his ear... | [
"11/3",
"8/5",
"22",
"4"
] | C | Let monthly salary for each of the 11 months except December was x, then
11x*1/10 + Nx*1/5 = 1/6(11x + Nx);
11/10 + N/5 = 1/6(11 + N)
11+2N/10 = 11+N/6 =>66+12N = 110+10N =>2N=44
N = 22
Answer: B | AquaRat_train |
Cellulose is the main structural component of what part of the plant cell, and makes up over thirty percent of plant matter? | [
"proteins wall",
"cell wall",
"roots",
"flowers"
] | B | Figure 31.3 Cellulose, the main structural component of the plant cell wall, makes up over thirty percent of plant matter. It is the most abundant organic compound on earth. Plants are able to make their own cellulose, but need carbon from the soil to do so. | SCiQ_train |
A student was asked to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14 and x. He found the mean to be 12. What should be the number in place of x ? | [
"5",
"7",
"8",
"4"
] | B | Clearly, we have (3 + 11 + 7 + 9 + 15 + 13 + 8 + 19 + 17 + 21 + 14 + x) / 12 = 12.
or 137 + x = 144 o144 - 137 = 7.
Answer: B | AquaRat_train |
Find the number that fits somewhere into the middle of the series. Some of the items involve both numbers and letters
Look at this series: D12, H16, __, P24, T28, ... What number should fill the blank? | [
"K19",
"H16",
"L20",
"I17"
] | C | E
L20
In this series, the letters progress by 4, and the numbers increase by 4. | AquaRat_train |
A, B, C and D enter into partnership. A subscribes 1/3 of the capital B 1/4, C 1/5 and D the rest. How much share did A get in a profit of Rs.2445? | [
"s.920",
"s.800",
"s.815",
"s.810"
] | C | 2445 * 1/3 = 815
Option C | AquaRat_train |
Jimmy is at school now. He is in the classroom, but he can't find his schoolbag. Where is it? Is it lost? Oh, no! It is in his room. He doesn't take it to the school. He calls his sister Sally and asks her to take his school things to the school. Here are his school things. His schoolbag is on the chair. Under the ch... | [
"Sally' s pencils.",
"Jimmy' s pencils.",
"Sally' s notebook.",
"Jimmy' s notebook."
] | B | MMLU_train | |
What is the sugar that the cells of living things use for energy? | [
"glucose",
"sucrose",
"chlorophyll",
"insulin"
] | A | Sugars are simple carbohydrates. Molecules of sugar have just a few carbon atoms. The simplest sugar is glucose (C 6 H 12 O 6 ). Glucose is the sugar that the cells of living things use for energy. Plants and some other organisms make glucose in the process of photosynthesis. Living things that cannot make glucose obta... | SCiQ_train |
Many rural areas in the United States have no doctor. Some medical schools are trying different ways to treat the problem . One idea is to educate doctors in smaller communities and hope they stay. Dr. William Cathcart-Rake heads a new program at the University of Kansas in the Midwest. "We need more doctors. There's s... | [
"Salina has a population of 500,000",
"a quarter of all physicians in Kansas are too old for the ideal doctors",
"William Cathcart-Rake heads a new program in rural Kansas",
"Educating more doctors in cities can settle the problem"
] | B | MMLU_train | |
When plants undergo photosynthesis, a reaction produces sugar, oxygen, and water. During respiration, stored energy from the products of photosynthesis is converted to usable energy. In what form is the energy stored prior to use in respiration? | [
"chemical energy",
"kinetic energy",
"light energy",
"heat energy"
] | A | MMLU_train | |
In the early days of the Internet, the idea that it represented an entirely new and separate field distinct from the real world was seized upon by both supporters and critics of the new technology.Supporters liked the idea that the virtual world was a placeless datasphere, liberated from constraints and restrictions ... | [
"worried that friends would never meet in person",
"believed that the Internet could isolate people online",
"worried that people would be separated from the real world",
"were concerned that people were addicted to social networks"
] | C | MMLU_train | |
What force is perpendicular to velocity and causes uniform circular motion? | [
"circular friction",
"centripetal torque",
"centripetal force",
"tangential force"
] | C | Figure 6.11 The frictional force supplies the centripetal force and is numerically equal to it. Centripetal force is perpendicular to velocity and causes uniform circular motion. The larger the F c , the smaller the radius of curvature r and the sharper the curve. The second curve has the same v , but a larger. | SCiQ_train |
Biomass energy , often forgotten as promising alternative to oil, received its day in the sun with the gathering of the Bio-Energy World Congress and Exposition in Atlanta, Georgia, late in April, 2007. Nearly 1700 scientists, businessmen and policy-makers, one-quarter from the foreign nations, gathered for a week to d... | [
"Willow and sea plants.",
"Wood and grains.",
"Water and alcohol mixture.",
"Crops and oil mixture."
] | D | MMLU_train | |
The frequency of sound waves is measured in what unit? | [
"hertz",
"rads",
"decibel",
"watt"
] | A | The frequency of sound waves is measured in hertz (Hz), or the number of waves that pass a fixed point in a second. Human beings can normally hear sounds with a frequency between about 20 Hz and 20,000 Hz. Sounds with frequencies below 20 hertz are called infrasound . Infrasound is too low-pitched for humans to hear. S... | SCiQ_train |
What are lipids' function in relation to nerves? | [
"transportation",
"reproduction",
"conservation",
"protection"
] | D | Lipids are nutrients, such as fats that store energy. Lipids also have several other roles in the body. For example, lipids protect nerves and make up the membranes that surround cells. | SCiQ_train |
What is the failure of replicated chromosomes during meiosis to separate known as? | [
"separation",
"pollenation",
"nondisjunction",
"regression"
] | C | Mistakes may occur during meiosis that result in nondisjunction . This is the failure of replicated chromosomes to separate during meiosis (the animation at the link below shows how this happens). Some of the resulting gametes will be missing a chromosome, while others will have an extra copy of the chromosome. If such... | SCiQ_train |
What is a copy of an image formed by reflection or refraction? | [
"a mirror image",
"an image",
"a photographic image",
"an example"
] | B | A mirror is typically made of glass with a shiny metal backing that reflects all the light that strikes it. When a mirror reflects light, it forms an image. An image is a copy of an object that is formed by reflection or refraction. Mirrors may have flat or curved surfaces. The shape of a mirror’s surface determines th... | SCiQ_train |
What renewable energy source converts energy from the sunlight into electricity? | [
"geothermal energy",
"hydrostatic energy",
"solar energy",
"geophysical energy"
] | C | Less energy is needed to get renewable energy sources. Solar energy is a good example. Sunlight is everywhere, so no one needs to go out and find it. We don’t have to drill for it or pump it to the surface. We just need to install solar panels like the ones in Figure below and let sunlight strike them. The energy from ... | SCiQ_train |
John makes $50 a week from his job. He earns a raise and now makes $80 a week. What is the % increase? | [
"17.9%",
"18.12%",
"16%",
"60%"
] | D | Increase = (30/50)*100 = (3/5)*100 = 60%.
E | AquaRat_train |
Luke Dollar is a scientist. He has spent many years in Madagascar studying lemurs . Here is an interview with him. Reporter: What were you like as a kid? Luke: As a kid, I was an explorer . I lived with my grandparents on a farm in Alabama. I spent a lot of time outdoors. It was a lot of fun and I enjoyed that. From ... | [
"In Birmingham.",
"In Madagascar.",
"At Duke University.",
"On his grandparents' farm."
] | C | MMLU_train | |
My name is Zhang Lin. Today is my birthday. I am nine years old. Mom and Dad get a big cake for me. I like it very much. It is on the table now. There are some other things on the table, too. Such as apples, oranges, juice, chicken and some fish. I'm thirsty now. I want a bottle of orange juice. My friends Li Fan and ... | [
"Zhang Lin's parents",
"Zhang Lin's sisters",
"Zhang Lin's friends",
"Zhang Lin's brothers"
] | C | MMLU_train | |
There are six different models that are to appear in a fashion show. Two are from Europe, two are from South America, and two are from North America. If all the models from the same continent are to stand next to each other, how many ways can the fashion show organizer arrange the models? | [
"64",
"48",
"8",
"72"
] | B | Let's say that Models of Europe are represented by E1 and E2 respectively
Let's say that Models of South America are represented by S1 and S2
Let's say that Models of North America are represented by Na and N2
So we have to define the total ways of entries of E1 E2 S1 S2 N1 N2
We have to keep E1 E2 together and similar... | AquaRat_train |
6 baseball players each stand at different corners of a baseball diamond. The sides of the diamond are all of equal length. Two arrangements of baseball players are considered different only when the relative positions of the players differ. How many different ways can the baseball players arrange themselves around the... | [
"160",
"256",
"120",
"240"
] | C | it is like a circular arrangement.
total ways for n people to arrange in a circle is = factorial (n-1)
in this case n= 5
hence ans = 5 factorial = 120
hence A | AquaRat_train |
A San Diego boy Kristoffer Von Hassel has the gaming world' s attention after he exposed a security weakness that let him log into his dad's Xbox Live account, without permission. Kristoffer's father, Robert, noticed soon after Christmas that his son was logging into his account and playing games that weren't appr... | [
"Critical and negative.",
"Friendly and sympathetic.",
"Serious and responsible.",
"Cold and casual."
] | C | MMLU_train | |
Along with nerve tissue, what kind of tissue are lecithins and cephalins important constituents of? | [
"skin tissue",
"lung tissue",
"heart tissue",
"brain tissue"
] | D | (a) Amino alcohols are commonly found in phosphoglycerides, which are evident in its structural formula (b). There are two common types of phosphoglycerides. Phosphoglycerides containing ethanolamine as the amino alcohol are called phosphatidylethanolamines orcephalins. Cephalins are found in brain tissue and nerves an... | SCiQ_train |
What can be described as a tiny male gametophyte enclosed in a tough capsule? | [
"grain of pollen",
"seed",
"dna",
"cell"
] | A | A grain of pollen is a tiny male gametophyte enclosed in a tough capsule (see Figure below ). It carries sperm to an ovule while preventing it from drying out. Pollen grains can’t swim, but they are very light, so the wind can carry them. Therefore, they can travel through air instead of water. | SCiQ_train |
A shopkeeper purchased 70 kg of potatoes for Rs. 420 and sold the whole lot at the rate of Rs. 6.30 per kg. What will be his gain percent? | [
"8 1/8 %",
"5 %",
"8 1/7 %",
"2 1/3 %"
] | B | C.P. of 1 kg = 420/70 = Rs. 6
S.P. of 1 kg = Rs. 6.30
Gain % = 0.30/6 * 100 = 5
= 5 %
Answer:C | AquaRat_train |
Through which part of the body do most animals take in oxygen? | [
"ears",
"mouth",
"nose",
"rectum"
] | B | SCiQ_train |
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