question stringlengths 1 5.01k | choices listlengths 4 4 | answer stringclasses 4
values | support stringlengths 0 3.68k | source stringclasses 3
values |
|---|---|---|---|---|
The parameter of a square is equal to the perimeter of a rectangle of length 8 cm and breadth 6 cm. Find the circumference of a semicircle whose diameter is equal to the side of the square. | [
"23.59",
"23.55",
"11.0",
"23.53"
] | C | Let the side of the square be a cm.
Parameter of the rectangle = 2(8 + 6) = 28 cm Parameter of the square = 28 cm
i.e. 4a = 28
A = 7
Diameter of the semicircle = 7 cm
Circimference of the semicircle
= 1/2(âˆ)7
= 1/2(22/7)(7) = 11 cm
Answer:E | AquaRat_train |
A person walking at 4 Kmph reaches his office 8 minutes late. If he walks at 6 Kmph, he reaches there 8 minutes earlier. How far is the office from his house? | [
"3 1/5 Km",
"3 3/5 Km",
"3 2/5 Km",
"4 Km"
] | A | Formula = S1*S2/S2-S1 * T1+T2/60
= 4*6/2 * 16/6
= 24/2 * 16/60
= 8 * 2/5
= 16/5 = 3 1/5 Km
A | AquaRat_train |
You have 7 sticks of lengths 10, 20, 30, 40, 50, 60 and 70 centimeters. The number of non-congruent triangles that can be formed by choosing three of the sticks to make the sides is | [
"10",
"6",
"3",
"13"
] | D | The length of any side of a triangle must be larger than the positive difference of the other two sides, but smaller than the sum of the other two sides.
Based on this there can be only 13 triangles formed: (20, 30, 40), (20, 40, 50), (20, 50, 60), (30, 40, 50), (30, 40, 60), (30, 50, 60), (40, 50, 60), (50, 60, 70), (... | AquaRat_train |
What consists of all the biotic and abiotic factors in an area and their interactions? | [
"ecosystem",
"community",
"habitat",
"macroevolution"
] | A | An ecosystem consists of all the biotic and abiotic factors in an area and their interactions. | SCiQ_train |
Crystal Ear One day a friend asked my wife Jill if I wanted a hearing aid. "He certainly does,"replied Jill. After hearing about a remarkable new product, Jill finally got up the nerve to ask me if I'd ever thought about getting a hearing aid. "No way,"I said. "It would make me look 20 years older.""No, no"she replied.... | [
"Crystal Ear can signal where it is in case you cannot find it",
"you can wear Crystal Ear any time you like",
"you can even clean Crystal Ear yourself",
"you can even wear while swimming"
] | B | MMLU_train | |
An echo is produced by what type of reflection of sound source? | [
"Direct",
"Distant",
"Varied",
"Single"
] | D | MMLU_train | |
Cars P and Q are approaching each other on the same highway. Car P is moving at 47 mph northbound and Car Q is moving at 53 mph southbound. At 2:00 pm, they are approaching each other and 190 miles apart. Eventually they pass each other. At what clock time are they moving away from each other and 35 miles apart? | [
"4:00 pm",
"4:30 pm",
"3:45 pm",
"4:15 pm"
] | D | Total distance, which should be covered by both cars is 190+35=225 miles.
Let t be the time so the equation will be 47t+53t=225 thus,
t=2.25 hours
Answer: D | AquaRat_train |
A started a business with an investment of Rs. 70000 and after 6 months B joined him investing Rs. 120000. If the profit at the end of a year is Rs. 65000, then the share of B is? | [
"B)34000",
"C)34098",
"E)44098",
"A)30000"
] | D | Ratio of investments of A and B is (70000 * 12) : (120000 * 6) = 7 : 6
Total profit = Rs. 65000
Share of B = 6/13 (65000)
= Rs. 30000
Answer:A | AquaRat_train |
What is the main artery of the systematic circulation called? | [
"aorta",
"femoral",
"subclavian",
"carotid"
] | A | Blood Vessels The blood from the heart is carried through the body by a complex network of blood vessels (Figure 16.12). Arteries take blood away from the heart. The main artery of the systemic circulation is the aorta; it branches into major arteries that take blood to different limbs and organs. The aorta and arterie... | SCiQ_train |
The dodo is among the most famous extinct creatures, and _ for human-caused extinction events. Despite its bad name, and the fact that the species was alive during recorded human history, little is actually known about how this animal lived, looked, and behaved. A new study of the only known complete skeleton from a s... | [
"ways to save the dodo",
"the dodo's living habits",
"the bird's natural habitat",
"the cause of the dodo's extinction"
] | B | MMLU_train | |
A bowling ball sitting motionless on a table exerts a downward force on the table. The force exerted by the table must be | [
"equal to the force of the ball.",
"continually changing with the ball.",
"greater than the force of the ball.",
"less than the force of the ball."
] | A | MMLU_train | |
A and B can complete a work in 30days and 15day. They started doing the work together but after 5days B had to leave and A alone completed the remaining work. The whole work was completed in? | [
"20days",
"18days",
"10days",
"12days"
] | A | A+B 1day work = 1/30 + 1/15 = 1/10
Work done by A and B in 10days = 1/10 * 5 = 1/2
Remaining work = 1-1/2 = 1/2
Now 1/30 work is done by A in 1day
1/2 work will be done by A in 30*1/2 = 15days
Total time taken = 15+5 = 20days
Answer is C | AquaRat_train |
All of the students of Music High School are in the band, the orchestra, or both. 40 percent of the students are in only one group. There are 100 students in the band. If 20 percent of the students are in the band only, how many students are in the orchestra only? | [
"25",
"55",
"40",
"30"
] | A | % of students in one group only = 40%
% of students in both groups = 100 - 40 = 60%
% of students in the band only = 20%
Number of students who are in band = 100
60% + 20% = 80% = 100 Students
Finding total students:
x = (100 x 100)/80
x = 125
Students in orchestra only = 125 - 100 = 25
Answer:B | AquaRat_train |
Although similar in appearance to hyenas , African wild dogs are nevertheless true wild canine . They are a mixture of black, yellow, and white in such a wide variety of patterns that no two individuals look exactly alike. African wild dogs are widely distributed across the African plains but they do not live in jungle... | [
"In a pack there may be about 90 wild dogs and no leader.",
"There are no such wild dogs that are different.",
"African wild dogs can run at a speed of about 15 m/s for a long distance.",
"All African wild dogs kill zebras, impalas, and antelopes as their food."
] | C | MMLU_train | |
Two dice are rolled. What is the probability that the sum on the top face of both the dice will be greater than 9? | [
"1/6",
"3/8",
"2/3",
"1/2"
] | A | Total number of outcomes possible when a die is rolled = 6 (∵ any one face out of the 6 faces)
Hence, total number of outcomes possible two dice are rolled, n(S) = 6 × 6 = 36
E = Getting a sum greater than 9 when the two dice are rolled = {(4, 6), {5, 5}, {5, 6}, {6, 4}, {6, 5}, (6, 6)}
Hence, n(E) = 6
P(E) = n(E)/n(S)... | AquaRat_train |
How much space, in cubic units, is left vacant when maximum number of 3x3x3 cubes are fitted in a rectangular box measuring 6x9x11 ? | [
"108",
"111",
"109",
"112"
] | A | No of cubes that can be accommodated in box = (6*9*11)/(3*3*3)
6*9 in numerator can be perfectly divided by 3*3 in denominator.
side with length 11 can't be perfectly divided by 3 and hence is the limiting factor. Closet multiple of 3 less that 11 is 9. so vacant area in cube =
=6*9*(11-9)
=6*9*2
=108
Ans - E | AquaRat_train |
What type of energy is required in all chemical reactions? | [
"function",
"conduction",
"solar",
"activation"
] | D | All chemical reactions require activation energy, which is the energy needed to get a reaction started. | SCiQ_train |
Which characteristic is shared by all cells? | [
"They need energy.",
"They reproduce sexually.",
"They make their own food.",
"They move from place to place."
] | A | MMLU_train | |
US military is attempting to develop a new style "insect robot" to replace the human soldier to go wherever he can't. The greatest trouble this project has fallen across is how to enable the robot to fly freely like an insect, said an official of the Pentagon . The Pentagon is seeking for the cooperation with scientist... | [
"They can't keep sound growth of the insects.",
"They can't ensure the insects to produce their young.",
"They can't fix a chip in an insect.",
"They can't make sure the internal organs function well."
] | B | MMLU_train | |
Find the least square number which is exactly divisible by 10,12,15 and 18. | [
"103",
"900",
"217",
"120"
] | B | L.C.M. of 10, 12, 15, 18 = 180. Now, 180 = 2 * 2 * 3 * 3 *5 = 22 * 32 * 5.
To make it a perfect square, it must be multiplied by 5.
Required number = (22 * 32 * 52) = 900.
ANSWER A | AquaRat_train |
If x is an integer such that 5 < x < 21, 7 < x < 18, 13 > x > 2, 12 > x > 9, and x + 1 < 13, then x is | [
"11",
"3",
"5",
"9"
] | A | 5 < x < 21,
7 < x < 18,
2 < x < 13
9 < x < 12
x<13
From above: 10< x < 12 --> x = 11.
Answer: E. | AquaRat_train |
39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work? | [
"9",
"13",
"12",
"10"
] | B | Explanation :
Let the required number of days be x
More persons, less days (indirect proportion)
More hours, less days (indirect proportion)
⇒ 39 × 5 × 12 = 30 × 6 × x
⇒ 39 × 5 × 2 = 30 × x
⇒ 39 = 3 × x
⇒ x = 13. Answer : Option D | AquaRat_train |
A microscope can be made from two of what kind of lenses? | [
"angular",
"outer",
"inner",
"convex"
] | D | 26.4 Microscopes Although the eye is marvelous in its ability to see objects large and small, it obviously has limitations to the smallest details it can detect. Human desire to see beyond what is possible with the naked eye led to the use of optical instruments. In this section we will examine microscopes, instruments... | SCiQ_train |
Which part of a strawberry plant absorbs most of the water needed by the plant? | [
"flowers",
"fruits",
"leaves",
"roots"
] | D | MMLU_train | |
What is the name of the part that connects the vagina with the uterus? | [
"cervix",
"urethra",
"ovary",
"vulva"
] | A | The uterus is a hollow organ with muscular walls. The part that connects the vagina with the uterus is called the cervix . The uterus is where a baby develops until birth. The walls of the uterus grow bigger as the baby grows. The muscular walls of the uterus push the baby out during birth. | SCiQ_train |
What is one way of classifying organisms called? | [
"tuck",
"spasm",
"clade",
"cluster"
] | C | One way of classifying organisms that shows phylogeny is by using the clade. A clade is a group of organisms that includes an ancestor and all of its descendants. Clades are based on cladistics. This is a method of comparing traits in related species to determine ancestor-descendant relationships. Clades are represente... | SCiQ_train |
What term is used to describe the change in size or volume of a given mass with temperature? | [
"freezing",
"thermal expansion",
"atmospheric expansion",
"thermal contraction"
] | B | The expansion of alcohol in a thermometer is one of many commonly encountered examples of thermal expansion, the change in size or volume of a given mass with temperature. Hot air rises because its volume increases, which causes the hot air’s density to be smaller than the density of surrounding air, causing a buoyant ... | SCiQ_train |
What number has a 5:1 ratio to the number 8? | [
"12",
"40",
"22",
"88"
] | B | 5:1 = x: 8
x = 40
Answer: B | AquaRat_train |
Are you a man or a mouse? When people ask this question they want to know if you think you are a brave person or a coward . But you will never really know the answer to that question until you are tested in real life. Some people think they are brave, but when they come face to face with real danger, they act like cowa... | [
"become stronger",
"lose his feeling and power",
"become a stone",
"become a hero"
] | B | MMLU_train | |
What are made on ribosomes in the cytoplasm? | [
"lipids",
"proteins",
"cells",
"enzymes"
] | B | DNA is located in the nucleus. Proteins are made on ribosomes in the cytoplasm. Remember that information in a gene is converted into mRNA , which carries the information to the ribosome. In the nucleus, mRNA is created by using the DNA in a gene as a template. A template is a model provided for others to copy. | SCiQ_train |
The population of a town is 10000. It increases annually at the rate of 20% p.a. What will be its population after 4 years? | [
"14500",
"15400",
"20736",
"14300"
] | C | Formula :
( After =100 denominator
Ago = 100 numerator)
10000 × 120/100^4 = 20736
B) | AquaRat_train |
A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are drawn at random, what is the probability that at least one is green? | [
"23/35",
"23/32",
"23/31",
"23/33"
] | A | Given that there are three blue marbles, four red marbles, six green marbles and two yellow marbles.
Probability that at least one green marble can be picked in the random draw of two marbles = Probability that one is green + Probability that both are green
= (⁶C₁ * ⁹C₁)/¹⁵C₂ + ⁶C₂/¹⁵C₂
= (6 * 9 * 2)/(15 * 14) + (6 * 5... | AquaRat_train |
What is the name of the protective layer of gases that surrounds the earth and blocks harmful rays from the sun? | [
"the protector",
"the coma",
"the atmosphere",
"the corona"
] | C | The atmosphere protects living things from the Sun’s most harmful rays. Gases reflect or absorb the strongest rays of sunlight. Figure below models this role of the atmosphere. | SCiQ_train |
Bend over, take a deep breath and drink some water! This is just one of hundreds of tips you might get if you have the hiccups .Hiccups are so mysterious.We really don't know why they start and why they stop. Everyone has a favorite cure for a case of the hiccups.Some people think that a good scare is necessary to get... | [
"Saint Jude is an expert in curing the hiccups",
"the reason why the hiccups start and why the hiccups stop",
"some people think that a good scare is a cure for a case of hiccups",
"the British plumber drank a \"secret\" mixture given by an experienced doctor and then became well"
] | C | MMLU_train | |
X and Y invest Rs.21000 and Rs.17500 respectively in a business. At the end of the year, they make a profit of Rs.26400. What is the share of X in the profit? | [
"Rs.26400",
"Rs.14400",
"Rs.12000",
"Rs.13500"
] | B | Ratio of the investment=21000:17500=210:175
=42:35=6:5
Share of X in the profit=(26400×6)/11=2400×6
=14400
ANSWER:A | AquaRat_train |
A man is 37 years older than his son. In two years, his age will be twice the age of his son. The present age of this son is | [
"65 years",
"22 years",
"78 years",
"35 years"
] | D | Let's Son age is x, then Father age is x+37.
=> 2(x+2) = (x+37+2)
=> 2x+4 = x+39
=> x = 35 years
Answer: D | AquaRat_train |
What is the name of the product formed from the reaction shown below? 4Fe(III) + 3O_{2} -> 2Fe_{2}O_{3} | [
"iron (II) oxide",
"iron (III) oxide",
"oxygen ferrite",
"diferrous trioxide"
] | B | MMLU_train | |
In a mixture of milk and water, the proportion of milk by weight was 80%. If, in a 180 gm mixture, 36 gms of pure milk is added, what would be the percentage of milk in the mixture formed? | [
"83.23%",
"83.33%",
"83.73%",
"83.93%"
] | B | Percentage of milk in the mixture formed
= [80/100 (180) + 36] / (180 + 36) * 100% = (144 + 36)/216 * 100%
= 5/6 * 100% = 83.33%.
Answer:E | AquaRat_train |
2,500 has how many positive divisors? | [
"15",
"20",
"25",
"10"
] | A | By factorization, we can write 2500 as 2500=2^2*5^4.
The number of factors is (2+1)(4+1) = 15
The answer is C. | AquaRat_train |
Three numbers are in the ratio 5 : 6 : 7. The sum of its longest and smallest numbers equals the sum of the third number and 37. Find the third number? | [
"B)85",
"D)43",
"A)37",
"E)84"
] | C | Let the numbers be 5x, 6x, 7x.
Largest number = 7x.
Smallest number = 5x.
Third number = 6x.
7x + 5x = 6x + 37
6x = 48 => third number is 37.
Answer: Option A | AquaRat_train |
A pipe can empty 3/4th of a cistern in 12mins. In 8 mins, what part of the cistern will be empty? | [
"4/9",
"3/8",
"1/2",
"3/7"
] | C | 3/4 ---- 12
? ----- 8 ==> 1/2
A | AquaRat_train |
Using all the letters of the word "PROBLEMS", how many words can be formed, which begin with P and end with S? | [
"120",
"650",
"560",
"720"
] | D | There are eight letters in the given word.
Consider 8 blanks ....
The first blank and last blank must be filled with P and S all the remaining six blanks can be filled with the remaining 6 letters in 6! ways.
The number of words = 6! = 720.
ANSWER:C | AquaRat_train |
In a class, the average age of 30 boys is 13 years and the average of 20 girls is 12 years. what is the average age of the whole class? | [
"12.9",
"12.3`",
"12.1",
"12.6"
] | D | Total age of 50 students
(30X 13+20 X 12) = 630
Average = 630/50 = 12.6 Years
Answer: D | AquaRat_train |
A and B together can do a work In 2 days. A alone can do it in 12 days. What time B will take to do the work alone? | [
"8 days",
"5 days",
"1.2 days",
"2.4 days"
] | D | Explanation:
A and B 1day's work = 1/2
A alone can do 1day's work = 1/12
what time B will take to do the work alone?
B = (A+B) - A = (1/2) - (1/12) = 2.4 Days
Answer: Option A | AquaRat_train |
Monday - 9:00 p.m. PT (11:00 p.m. CT) (Midnight ET) I love to answer questions about children's health. Some questions and their answers become articles, FAQ's, Updates, Fast Facts, Top Tips, or Guidelines here on the site. I answer others in real time during chat. Either way, here is how to submit a question - I am av... | [
"an advertiser",
"a lawyer",
"a teacher",
"an adviser"
] | D | MMLU_train | |
Surprisingly, where would you find the earth’s tallest mountains and deepest canyons? | [
"Tibet",
"taiga",
"ocean floor",
"rain forests"
] | C | Scientists have learned a lot about the ocean floor. For example, they know that Earth’s tallest mountains and deepest canyons are on the ocean floor. The major features on the ocean floor are described below. They are also shown in Figure below . | SCiQ_train |
7 people sit at the round table. In how many ways can we sit them so that Bob and Bill don't sit opposing each other? | [
"420",
"480",
"440",
"400"
] | B | 7 People: Bob,Bill,Red,Blue,White,Pink,Purple
Round Table: T
7 Chairs: 1,2,3,4,5,6,7
Let chairs 1 and 4 be opposite each other;
Bob is sitting on 1 and Bill is sitting on 4;
The rest of the people on 2,3,5,6,7 - can rearrange themselves in 5! ways
Now, Bill and Bob swap their positions;
Bob is sitting on 4 and Bill is ... | AquaRat_train |
What reinforces the thin walls of the right ventricle and plays a crucial role in cardiac conduction? | [
"pores valve",
"pores band",
"moderator band",
"moderator valve"
] | C | The walls of the ventricle are lined with trabeculae carneae, ridges of cardiac muscle covered by endocardium. In addition to these muscular ridges, a band of cardiac muscle, also covered by endocardium, known as the moderator band (see Figure 19.9) reinforces the thin walls of the right ventricle and plays a crucial r... | SCiQ_train |
What is a close relationship between two species in which at least one species benefits called? | [
"symbiosis",
"parasitic",
"competition",
"morphogenesis"
] | A | Symbiosis is a close relationship between two species in which at least one species benefits. For the other species, the relationship may be positive, negative, or neutral. There are three basic types of symbiosis: mutualism, commensalism, and parasitism. | SCiQ_train |
If two pipes function simultaneously, the reservoir will be filled in 12 days.One pipe fills the reservoir 10 hours faster than the other. How many hours does it take the second pipe to fill the reservoir. | [
"53 hours",
"45 hours",
"13 hours",
"30 hours"
] | D | If two pipes function simultaneously, the reservoir will be filled in 12 hours ( not days).One pipe fills the reservoir 10 hours faster than the other. How many hours does it take the second pipe to fill the reservoir.
Then one pipe will fill tank in 20 hrs and second in 30 hrs when opened alone.
ANSWER:C | AquaRat_train |
Which of these things would cause more racoons to hang out nearby? | [
"shooting them as they come",
"cutting their hair at night",
"leaving lids off garbage cans",
"putting garbage cans inside the garage"
] | C | MMLU_train | |
Air pollution is one of the hottest topics at present because poor air quality is an important factor in both the incidence and cause of respiratory diseases. Zhong Nanshan, a deputy to the NPC and a member of the CAE, said recently when the concentration of PM2.5 rises by 10 micrograms per cubic meter, hospitalizatio... | [
"Industrialization has its weakness as well as strengths.",
"The average death rate rises with different ages and places.",
"The air in Beijing is much more polluted than that in the other cities.",
"The more heavily-polluted air you breathe in, the sooner you'll have cancer."
] | D | MMLU_train | |
Sandra usually gets up at six in the morning. She usually has breakfast at six thirty. She goes to school at around seven o'clock. School starts at seven thirty. Sandra learns many subjects at school: math, English, science, history, art, music and PE. Her favorite subject is music. It's relaxing, and the music teacher... | [
"6:00",
"6:30",
"7:00",
"7:30"
] | C | MMLU_train | |
In 2013, a report from The Nero England Journal of Medicine showed that increased body weight is related to the death rate for all cancers. This is based on a study involving about 900,000 people, spanning many years. The study, started in 1992 by the American Cancer Society, included men and women from all 50 st... | [
"There is a clear explanation concerning why obesity leads to more cancers.",
"Generally speaking, women face fewer r18ks of dying of cancer than mem",
"Women witha BMI of 40 dying of uterine cancer are more than other women.",
"Smokers are still likely to face risks of dying of cancer though keeping weight o... | D | MMLU_train | |
A car travels the first 1/3 of certain distance with a speed of 10km/hr the next 1/3 distance with a speed of 20 km/hr, and the last 1/3 distance with a speed of 10 km/hr. the average speed of the car for the whole journey is? | [
"79km/hr",
"52km/hr",
"12km/hr",
"89km/hr"
] | C | Let the whole distance travelled be x km
and the average speed of the car for he whole journey be y km/hr
then (x/3)/10+(x/3)/20+(x/3)/10=x/y
x/30+x/60+x/30=x/y
1/12y=1
y=12km/hr
Answer(A) | AquaRat_train |
What term refers to something supplied by nature that helps support life? | [
"free resource",
"simple resource",
"existing resource",
"natural resource"
] | D | A natural resource is something supplied by nature that helps support life. When you think of natural resources, you may think of fossil fuels, like the coal in the coal field pictured in Figure below . However, sunlight, wind, soil, and living things are also important natural resources. | SCiQ_train |
When we neutralize a weak base with a strong acid, the product is ________ containing the conjugate acid of the weak base. | [
"salt",
"an ion",
"water",
"an electron"
] | A | Salts of Weak Bases and Strong Acids When we neutralize a weak base with a strong acid, the product is a salt containing the conjugate acid of the weak base. This conjugate acid is a weak acid. For example, ammonium chloride, NH4Cl, is a salt formed by the reaction of the weak base ammonia with the strong acid HCl: NH ... | SCiQ_train |
Jane 09:45:10 Hi, Jim. Nice to meet you! I'm a girl. My name is Jane Green. My favorite color is red. I have a red bike. My bike number is 67582. My telephone number is 873-3516. Jim 09:46:05 Hi, Jane . Nice to meet you, too! I'm a boy. My name's Jim Hand. My favorite color is blue. I have a blue car. My car number... | [
"Jim",
"Mary",
"Black",
"Green"
] | A | MMLU_train | |
Delvin Washington was having a difficult speech therapy . Over half a year ago, Washington was preparing for the biggest day of his young life ---graduating from high school. But on a cloudy day in May, he had a serious car accident. He survived, but his life changed forever. He recently began all-day physical rehabil... | [
"strong--willed",
"energetic",
"pessimistic",
"depressed"
] | A | MMLU_train | |
Simply by analyzing a drop of blood, a doctor will be able to diagnose a birth defect or even cancer when it is in the early stage; using new technology, a material lighter but much stronger than steel can be produced. These may sound like dreams at present. But the dreams may soon come true as research findings in lab... | [
"Nano-technology could only be used to invent new objects.",
"Nano-technology could be widely used to produce or invent objects.",
"Nano-technology is a money-consuming technology.",
"Nano-technology can not be used to improve the service of Internet."
] | B | MMLU_train | |
The field of organic chemistry studies the structure and reactivity of compounds containing what element? | [
"carbon",
"oxygen",
"nitrogen",
"hydrogen"
] | A | Since then, the distinction between organic and inorganic compounds and reactions has blurred. Currently, the field of organic chemistry studies the structure and reactivity of nearly all carbon-containing compounds. Over twenty million organic compounds are known, ranging from very simple molecules to complex proteins... | SCiQ_train |
What process determines the dna sequence of an entire genome? | [
"dna replication",
"whole-genome sequencing",
"genetic factorization",
"chromosomal counting"
] | B | 17.3 | Whole-Genome Sequencing By the end of this section, you will be able to: • Describe three types of sequencing • Define whole-genome sequencing Although there have been significant advances in the medical sciences in recent years, doctors are still confounded by some diseases, and they are using whole-genome sequ... | SCiQ_train |
What man-made structures orbit all of the inner planets as well as jupiter and saturn? | [
"comets",
"satellites",
"moons",
"space shuttles"
] | B | All of the inner planets are orbited by man-made satellites. Jupiter and Saturn have man-made satellites too. We can see what the planets look like from the photos they take. The satellites also carry instruments that collect a lot of important data. This is better than taking a field trip to such hostile places. You c... | SCiQ_train |
The smallest known species of cactus, called Blossfeldia Liliputana, is named after | [
"The Hobbit characters by J. R. R. Tolkien",
"a fictional island in Gulliver's Travels by Jonathan Swift",
"Frodo Baggins from Lord of the Rings",
"Bilbo Baggins from Lord of the Rings"
] | B | MMLU_train | |
What does oil do when mixed with water? | [
"dissappears",
"forms droplets",
"precipitates",
"dissolves"
] | B | Figure 2.13 Oil and water do not mix. As this macro image of oil and water shows, oil does not dissolve in water but forms droplets instead. This is due to it being a nonpolar compound. (credit: Gautam Dogra). | SCiQ_train |
what is the ratio of two no. 5xy and 8xy. | [
"1:2",
"5:8",
"2:5",
"3:4"
] | B | 5xy/8xy
=5:8
answer C | AquaRat_train |
By selling 110 mangoes, a fruit-seller gains the selling price of 20 mangoes. Find the gain percent? | [
"17.71%",
"28.28%",
"33.33%",
"22.22%"
] | D | SP = CP + g
110 SP = 110 CP + 20 SP
90 SP = 110 CP
90 --- 20 CP
100 --- ? => 22.22%
Answer: D | AquaRat_train |
Which of the following would you use to most efficiently transport heat? | [
"empty water bottle",
"cotton T-Shirt",
"baseball cap",
"empty soda can"
] | D | MMLU_train | |
A boy won the grand prize at the 2012 International Science and Engineering Fair, the largest high school science competition in the world. The Maryland teenager Jack Andraka is the youngest winner of the $75,000 prize. He was chosen from among l,500 students in 70 countries. Jack invented a test for pancreatic cancer... | [
"A high school task.",
"A professor's encouragement",
"The loss of a friend.",
"Doubts about the present test."
] | C | MMLU_train | |
Software Trainer If you are aged 24-25 and have experience in teaching and training, you could be the person we are looking for. You should be good at the computer and have some experience in programme writing. You will be allowed to make your own decisions, and to design courses as well as present them. Pay upwards of... | [
"One having good computer knowledge.",
"One with some office experience.",
"One with GCSE grade C level.",
"One trained in producing music programmes."
] | A | MMLU_train | |
On increasing the number of lines in a page by 100, they become 240. What is the % of increase in the no. of lines in the page? | [
"60%",
"305",
"50%",
"71.4%"
] | D | Explanation : Number of pages increased = 100
Now , the number of pages of book = 240
Number of pages of the books before increase = 240 – 100 = 140
% increase in the number of pages in the book = 100 /140
x 100% = 71.4%
D | AquaRat_train |
The passing of traits from parents to offspring is done through what? | [
"sperm",
"egg",
"dna",
"blood"
] | C | Genetics is the study of inheritance. Inheritance is the passing of traits from parents to offspring. How are these traits "passed"? Through DNA, which is the genetic material of all organisms. This concept will focus on genetics, inheritance, and DNA. | SCiQ_train |
What mirrors diverge light rays and, thus, have a negative focal length? | [
"diffraction",
"convex",
"concave",
"curved"
] | B | behind the mirror. Convex mirrors diverge light rays and, thus, have a negative focal length. | SCiQ_train |
A standing wave is created when what type of wave interferes with the original wave? | [
"realized wave",
"translated wave",
"refracted wave",
"reflected wave"
] | D | When a wave meets a barrier, it reflects and travels back the way it came. The reflected wave may interfere with the original wave. If this occurs in precisely the right way, a standing wave can be created. The types of standing waves that can form depend strongly on the speed of the wave and the size of the region in ... | SCiQ_train |
What term describes the application of knowledge to real-world problems and is practiced by engineers? | [
"invention",
"technology",
"mechanisms",
"science"
] | B | Technology is the application of knowledge to real-world problems. Engineers are professionals in technology. | SCiQ_train |
How many seconds will a 770 m long train take to cross a man walking with a speed of 2.5 km/hr in the direction of the moving train if the speed of the train is 46.5 km/hr? | [
"63",
"66",
"35",
"88"
] | A | Speed of train relative to man = 46.5 - 2.5 = 44 km/hr.
= 44 * 5/18 = 110/9 m/sec.
Time taken to pass the man = 770 * 9/110 = 63 sec.
Answer: A | AquaRat_train |
Galaxies can be spiral, elliptical, or which other type? | [
"irregular",
"simple",
"vertical",
"oblong"
] | A | Galaxies can be spiral, elliptical, or irregular. | SCiQ_train |
Expert Tricks on iPhone 5 We don't want to change your phone, we wanna make you say, wow, that is a bigger change than I expected. iPhone 5 in a result of that desire to surprise. It's been completely redesigned. For the first time ever, we've increased the size of display by making the screen taller but not wider. You... | [
"It is taller, wider and thinner.",
"It is taller, wider and thicker.",
"It is taller, thinner but not wider.",
"It is shorter, wider and thinner."
] | C | MMLU_train | |
What kind of climates are found at or near the equator? | [
"dry grasslands",
"arctic climates",
"tropical climates",
"tundra"
] | C | Tropical climates are found at or near the Equator. Because warm air rises at the Equator, there is a lot of rain. | SCiQ_train |
The moon's surface | [
"has asteroid impact marks",
"is smooth all over",
"is filled with lakes",
"has a stronger gravitational pull than Earth"
] | A | MMLU_train | |
A lot of grown-ups worry that spending too much time playing video games isn't good for a kid's health. Now some doctors have noticed that kids who bring their hand-held game players to the hospital seem less worried about being there. These patients also seem to experience less pain when they are concentrating on a su... | [
"Music.",
"The Internet.",
"Novels.",
"Films."
] | B | MMLU_train | |
Here are four of my friends. Get to know them and their interesting experiences. I'm Mark. I'm 12. I have learned a lot about cycling and cycled about two hundred miles with my friends. We all felt very excited. My name is Sam. I'm one year older than Mark. I have entered a competition. At last, I won it and the priz... | [
"five",
"two",
"three",
"Four"
] | C | MMLU_train | |
For many years, scientists have wondered how Chrysopelea paradisi, known as the "flying" snakes, can stay afloat as they leap from one tree to another, sometimes covering a distance of as long as 79 feet. Now a new study has explained that it may be all to do with the way they move. The report was published by Virgin... | [
"the places they live",
"the way they move",
"the life habits they have",
"the long bodies they have"
] | B | MMLU_train | |
A rectangular tiled patio is composed of 90 square tiles. The rectangular patio will be rearranged so that there will be 2 fewer columns of tiles and 4 more rows of tiles. After the change in layout, the patio will still have 90 tiles, and it will still be rectangular. How many rows are in the tile patio before the cha... | [
"10",
"28",
"11",
"5"
] | C | r*c=90 and (11+4)(c-2)=90 --> r=11 and c=8.
Answer:D. | AquaRat_train |
What was the first antiseptic called? | [
"phenol",
"acid",
"chlorine",
"gasoline"
] | A | objects such as furniture or floors). The first widely used antiseptic was phenol. Joseph Lister used it for antiseptic surgery in 1867. Phenol is toxic to humans, however, and can cause severe burns when applied to the skin. In the bloodstream, it is a systemic poison—that is, one that is carried to and affects all pa... | SCiQ_train |
Neumann was the oldest of 3 children of a banker, and his speed of learning new ideas and of solving problems stood out early.At 17, his father tried to persuade him not to become a mathematician because he may lead a poor life being a mathematician, and so Neumann agreed to study chemistry as well.In 1926, at 23, he r... | [
"He had three children.",
"He died from an accident.",
"He received many awards in his life.",
"He and Einstein were classmates in Princeton University."
] | C | MMLU_train | |
What is the unit digit in 14^100? | [
"2",
"6",
"5",
"3"
] | B | Unit digit in 14^100 = unit digit in [(14^4)^25 ]
But unit digit in 14^4=6
unit digit 14^100= 6
Answer is E | AquaRat_train |
The entropy change is positive as the solid state changes into which state? | [
"gas",
"liquid",
"mixture",
"chemical"
] | B | The entropy change is positive as the solid state changes into the liquid state. If the transition went from the liquid to the solid state, the numerical value for would be the same, but the sign would be reversed since we are going from a less ordered to a more ordered situation. | SCiQ_train |
O(x) represents the least odd integer greater than x, whereas o(x) represents the greatest odd integer less than x.
Likewise, E(x) represents the least even integer greater than x, whereas e(x) represents the greatest even integer less than x.
According to these definitions, the value of O(3.2) + E(–1.7) + o(–1.3) + e(... | [
"2",
"3",
"4",
"5"
] | C | O(x) represents the least odd integer greater than x - O(3.2) = 5,
o(x) represents the greatest odd integer less than x - o(–1.3) = -3,
E(x) represents the least even integer greater than x - E(–1.7) = 0 ,
e(x) represents the greatest even integer less than x - e(2.7) = 2.
The value of O(3.2) + E(–1.7) + o(–1.3) + e(2.... | AquaRat_train |
The Shopkeeper increased the price of a product by 25% so that customer finds it difficult to purchase the required amount. But somehow the customer managed to purchase only 68% of the required amount. What is the net difference in the expenditure on that product? | [
"15%",
"19%",
"13%",
"12.5%"
] | A | Quantity X Rate = Price
1 x 1 = 1
0.68 x 1.25 = 0.85
Decrease in price = (0.15/1) × 100 = 15%
D) | AquaRat_train |
If someone is experiencing frequent falls | [
"they should move out of their house",
"they should just stop trying to walk",
"they should try wearing slicker bottomed shoes",
"they should try putting down carpet or throw rugs"
] | D | MMLU_train | |
Nearly all of today's Native Americans in North, Central and South America can trace their ancestry to just six women whose descendants immigrated around 20,000 years ago, a DNA study suggests. The finding does not mean that only these six women gave rise to migrants who crossed into North America from Asia in... | [
"It shows that DNA is passed from parents to daughters.",
"It concludes that the six women arrived individually but lived at the same time.",
"It is a joint one conducted by Salt Lake City and an Italian university.",
"It shows that only six women in 95% of present Native Americans have got a particular DNA l... | C | MMLU_train | |
Crude oil is a mixture of different types of what? | [
"fats",
"hydrocarbons",
"greenhouse gases",
"contaminants"
] | B | Oil comes out of the ground as crude oil. Crude oil is a mixture of many different hydrocarbons. Oil is separated into different compounds at an oil refinery ( Figure above ). This is done by heating the oil. Each hydrocarbon compound in crude oil boils at a different temperature. We get gasoline, diesel, and heating o... | SCiQ_train |
If x^2 – 2y^2 = 2xy, then (x - y)^2 = | [
"x^2",
"3x^2",
"4xy",
"3y^2"
] | D | (x-y)^2 = x^2 + y^2 - 2xy = x^2 + y^2- x^2+2y^2 = 3y^2
Correct option : D | AquaRat_train |
A man sells an article at 5% profit. If he had bought it at 5% less and sold it for 1 less, he would have gained 10%. The cost price of the article is : | [
"280",
"150",
"200",
"240"
] | C | Let the CP of the article be x.
Then, SP = 105x⁄100
Now, new CP = 95x⁄100 and new SP = 105x⁄100 - 1
According to the question
105x/100−1−95/100=10×95x/100×100
∴ x = 200
Answer A | AquaRat_train |
Desert plants fall into two sorts according to the way they deal with the problem of surviving drought. There are the drought--avoiders--those which persist only as seeds, ready to spring up when it rains, to flower quickly and produce another crop of seeds, and to die again. There are also the drought--resisters--tho... | [
"they take thick cylindrical or even spherical shape",
"they are best--known in prefix = st1 /America",
"they have many ways of containing water",
"some of them can be very tiny"
] | C | MMLU_train | |
In My, Xiang sold 15 used cars. For these 15 used cars the range of selling prices was 15,000 and the lowest selling price was 4,500. In June, Xiang sold 10 cars. For these 10 cars the range of selling was 9,000 and the lowest selling price was 6,100. What was the range of selling prices for the 25 used car sold by xia... | [
"19,200",
"15,600",
"16,820",
"15,750"
] | B | for 10 cars - 9000+ 6100 = 15,100
for 15 cars - 15000+ 4500 = 19,500
max = 19,500 min 4500
answer is approx 15,000.
Option A is closest. | AquaRat_train |
What do all mammals have in common that distinguishes them from birds? | [
"eyes",
"fur",
"a brain",
"a heart"
] | B | MMLU_train | |
Light travels at a speed which is about a million times faster than the speed of sound. You can get some idea of this difference by watching the start of a race. If you stand some distance away from the starter, you can see smoke from his gun before the sound reaches your ears. This great speed of light produces some ... | [
"the stars have been shining all the time",
"the stars seen tonight will shine four years later",
"the stars were shining long ago but seen tonight",
"the starlight seen today could be seen four years ago"
] | C | MMLU_train | |
Plants use chlorophyll to | [
"get rid of waste",
"absorb energy that the closest star provides",
"keep warm from thermal energy",
"absorb light colored food from the soil"
] | B | MMLU_train |
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