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In one of the strongest indications of the power of the mind to influence the body, a growing collection of evidence finds that people who are depressed have a greatly higher risk of developing heart disease. In a study of almost 3, 000 men and 5, 000 women, depressed men were 70 per cent more likely to develop coronar...
[ "depressed ones tend to eat high-fat and high-calories foods, which leads to physical damage to heart", "severe heart disease may cause people to feel hopeless and depressed", "depression may result in the lack of some kind of acids, which probably af fects the working of people' s heart", "people with depres...
B
MMLU_train
Almost everyone suffers from a headache occasionally. But some people suffer from repeated, frequent headaches. What is headache? What causes it? What can be done about a headache? What research is being done on headaches? The dictionary defines headache simply as "a pain in the head." What most people mean by heada...
[ "Specialists know what a headache is.", "What's a headache and its effect.", "Everyone suffers from a headache occasionally.", "A headache can warn you of something serious." ]
B
MMLU_train
The Galapagos Islands are in the Pacific Ocean, off the western coast of South America They are a rocky, lonely spot, but they are also one of the most unusual places in the world. One reason is that they are the home of some of the last giant tortoises left on earth. Weighing hundreds of pounds, these tortoises go sl...
[ "The tortoises began to disappear gradually.", "The number of tortoises began to decrease", "Scientists took away other animals off the islands.", "There are more and more giant tortoises on the islands." ]
D
MMLU_train
A rubber band will make a sound when it is
[ "vibrated.", "stretched.", "cut into pieces.", "shot across a room." ]
A
MMLU_train
What is one way to change water from a liquid to a solid?
[ "decrease the temperature", "increase the temperature", "decrease the mass", "increase the mass" ]
A
MMLU_train
By travelling at 40 kmph, a person reaches his destination on time. He covered two-third the total distance in one-third of the total time. What speed should he maintain for the remaining distance to reach his destination on time?
[ "20 kmph", "99 kmph", "30 kmph", "77 kmph" ]
A
Let the time taken to reach the destination be 3x hours. Total distance = 40 * 3x = 120x km He covered 2/3 * 120x = 80x km in 1/3 * 3x = x hours So, the remaining 40x km, he has to cover in 2x hours. Required speed = 40x/2x = 20 kmph. Answer:A
AquaRat_train
The population of Linterhast was 3,600 people in 1990 and 4,800 people in 1993. If the population growth rate per thousand is constant, then what will be the population in 1996?
[ "9600", "8000", "6400", "6000" ]
C
This is a set rate problem. If the population grew by 1,200 people in the past three years, then it grew by 33 percent: 4800−3600/3600=1200/3600=1/3≈33 Therefore in the next three years the population will grow at the same rate of 33% because the growth rate has been constant. 4,800+1/3∗4,800=4,800+1,600=6,400 Another ...
AquaRat_train
What is another term for movable joints?
[ "synovial", "interstitial", "sesamoidal", "fibrous" ]
A
Movable joints are also known as synovial joints . This is because the space between the bones is filled with a thick fluid, called synovial fluid , that cushions the joint (see Figure below ).
SCiQ_train
On July 1 at exactly 7:59:59, Bejing time, the world' s atomic clocks will pause for a single second, or, more precisely, change to the unusual time of 7:59:60. The addition of a leap second , is to keep our clocks in time with the slowing of Earth' s rotation and astronomical time as measured by the sun. Just one ...
[ "To change the world' s atomic clocks.", "To keep atomic clocks in time with the world' s computers.", "To keep atomic clocks in time with the slowing of Earth' s rotation.", "To record the changes to astronomical time." ]
C
MMLU_train
A train 240 m long passed a pole in 24 sec. How long will it take to pass a platform 650 m long?
[ "23", "89", "27", "76" ]
B
Speed = 240/24 = 10 m/sec. Required time = (240 + 650)/10 = 89 sec. Answer:B
AquaRat_train
If x is Negative integer ,y is positive integer, and 7x+3y=14 , which of the following could be the value of x ?
[ "-3", "-2", "-4", "-1" ]
D
Use answer options to solve this problem - x is negative integer (-1,-2,-3......) put x=-1 7x+3y=14 7(-1)+3y=14 -7+3y=14 3y=14+7 3y=21 y=7 Answer will be (A)
AquaRat_train
Forces which cause objects to turn around continuously in a circle are known as?
[ "tension forces", "hydrodynamic forces", "frictional forces", "centripetal forces" ]
D
In the absence of a net force, objects move in a straight line. If they turn — that is, if their velocity changes, even only in direction — there must be an applied force. Forces which cause objects to turn around continuously in a circle are known as centripetal forces. When an object moves in a circle its velocity at...
SCiQ_train
What man-made devices in space are used to observe the earth's surface?
[ "crystals", "satellites", "telescopes", "sensors" ]
B
Observations can happen on many scales. You can use a microscope to observe tiny things. You can use a telescope to observe distant things in space. To learn about the effects of climate change, you could observe Earth's surface. How would you make observations of Earth's surface? You could do this from the land surfac...
SCiQ_train
Which is likeliest to be torn by human hands?
[ "wood", "steel", "taffy", "diamond" ]
C
MMLU_train
The marks obtained by Vijay and Amith are in the ratio 4:5 and those obtained by Amith and Abhishek in the ratio of 3:2. The marks obtained by Vijay and Abhishek are in the ratio of?
[ "6:2", "6:1", "6:9", "6:5" ]
D
4:5 3:2 ------- 12:15:10 12:10 6:5 Answer:C
AquaRat_train
A train passes a man standing on the platform. If the train is 70 meters long and its speed is 72 kmph, how much time it took in doing so?
[ "6 ½ sec", "2 ½ sec", "8 ½ sec", "3 ½ sec" ]
D
D = 70 S = 72 * 5/18 = 20 mps T = 70/20 = 3 ½ sec Answer: C
AquaRat_train
If HARD is coded as 1357 and SOFT is coded as 2468 what will 21448 stand for?
[ "SHOOT", "SHOOA", "SWOOT", "SHEOT" ]
A
HARD = 1357 => 1=H, 3=A , 5=R , 7=D SOFT = 2468 => 2=S, 4=O , 6=F , 8=T so, 21448 = SHOOT ANSWER:C
AquaRat_train
Animals like the lion are known as carnivorous (meat-eating) animals. They feed on smaller animals. But many other animals eat grass or plants. They are called herbivorous (plant-eating) animals. You may be surprised to learn that there are carnivorous plants as well as carnivorous animals. Plants that grow in poor soi...
[ "Tigers, lions and other meat-eating animals are called carnivorous animals.", "Zebras, elephants and common farm animals are known as herbivorous animals.", "All plants get food only from the soil.", "It is something like honeydew in the pitcher that insects come to food on." ]
C
MMLU_train
Three candidates contested an election and received 1130, 7630 and 15620 votes respectively. What percentage of the total votes did the winning candidate get?
[ "64%", "80%", "90%", "57%" ]
A
total votes are 24380 ( sum of votes obtained by 3 candidates) percentage of the total votes recd by the winning candidate = 100*15620/24380 = 64% ANSWER:C
AquaRat_train
A vendor buys 10 t-shirts at an average price of $14 per t-shirt. He then buys 15 more t-shirts at an average price of $11 per t-shirt. What is the average price D per t-shirt that the vendor paid for these purchases?
[ "$12.20", "$12.55", "$12.50", "$12.70" ]
A
Correct Answer: A Explanation: The relevant formula for this problem is Average D= (Sum)/(Number of Terms). Another way to look at the formula is Sum = Average x Number of Terms. For the first purchase, the vendor's sum (total cost) was $140, since 14 x 10 = 140. For the second purchase, the vendor's cost was $165, sin...
AquaRat_train
What is the square root of 16?
[ "4", "86", "35", "8" ]
A
4X4= 16 ANSWER B
AquaRat_train
What works by selecting for alleles that confer beneficial traits or behaviors, while selecting against those for deleterious qualities?
[ "natural selection", "artificial selection", "same selection", "characteristic selection" ]
A
19.2 Population Genetics Both genetic and environmental factors can cause phenotypic variation in a population. Different alleles can confer different phenotypes, and different environments can also cause individuals to look or act differently. Only those differences encoded in an individual’s genes, however, can be pa...
SCiQ_train
the phases of the moon change the appearance of what?
[ "mars", "astral night light", "earth", "sun" ]
B
MMLU_train
What are required when the damage from trauma or infection cannot be closed with sutures or staples?
[ "tree grafts", "skin grafts", "debris grafts", "bone grafts" ]
B
Skin grafts are required when the damage from trauma or infection cannot be closed with sutures or staples. Watch this video (http://openstaxcollege. org/l/skingraft) to learn more about skin grafting procedures.
SCiQ_train
If (n+2)!/n!=90, n=?
[ "2/131", "10", "12", "8" ]
D
(n+2)!/n!= 90 Rewrite as:[(n+2)(n+1)(n)(n-1)(n-2)....(3)(2)(1)]/[(n)(n-1)(n-2)....(3)(2)(1)]= 132 Cancel out terms: (n+2)(n+1) = 132 From here, we might just TEST the answer choices. Since (10)(9) = 90, we can see that n = 8 B
AquaRat_train
What kind of systems use fluid to transmit pressure and increase force?
[ "electromagnetic systems", "hydraulic systems", "thermal systems", "plumbing systems" ]
B
Hydraulic car lifts also use fluid to transmit pressure and increase force. The lifts are used to raise cars, which are very heavy, so mechanics can work on them from underneath. Controls in airplanes use fluids to transmit pressure and increase force so a flick of a switch can raise or lower heavy landing gear. To see...
SCiQ_train
It was a hot Saturday afternoon, and James was going shopping with his mother. While she made her shopping list, James looked out the window. In the sky, he saw pretty birds. He smiled - James liked birds. He saw one last Friday when he was getting muddy in the puddles, and another on Wednesday when he was playing with...
[ "Wednesday", "Saturday", "Monday", "Friday" ]
B
MMLU_train
How does air pressure change as altitude increases?
[ "it decreases", "stays the same", "It increases", "goes up and down" ]
A
Like density, the pressure of the air decreases with altitude. There is less air pressing down from above the higher up you go. Look at the bottle pictured below ( Figure below ). It was drained by a hiker at the top of a mountain. Then the hiker screwed the cap on the bottle and carried it down to sea level. At the lo...
SCiQ_train
I lost my red schoolbag in our library. My key is in it. I must find it. Please call me at 6755321. Thank you. Jason, Class 332 Brandy found a white watch under a desk in his classroom. Is it yours? Please ask Mr. Hanson for it. His telephone number is 8974588. Class 213 Alan, your baseball is on the table of our ...
[ "red", "black", "white", "green" ]
C
MMLU_train
Laura wanted to go to the park and play because she wanted to see her friends. When she got to the park Laura did not see anyone. After looking, she saw her friend George by the basketball hoop. George was playing all by himself. George was happy when he saw Laura. Laura and George played basketball they saw the ice cr...
[ "The boys", "George", "Laura", "A stranger" ]
B
MMLU_train
If y exceeds x by 24%, then x is less than y by?
[ "19 2/3%", "19 11/31%", "76 2/3%", "16 8/3%" ]
B
X=100 y=124 124------24 100-------? => 19 11/31% Answer:C
AquaRat_train
What is produced by leydig cells in the embryonic testis and stimulates the development of male sexual organs?
[ "insulin", "testosterone", "androgen", "estrogen" ]
B
27.3 Development of the Male and Female Reproductive Systems The reproductive systems of males and females begin to develop soon after conception. A gene on the male’s Y chromosome called SRY is critical in stimulating a cascade of events that simultaneously stimulate testis development and repress the development of f...
SCiQ_train
How many valence electrons can be found in a carbon atom?
[ "three", "One", "five", "four" ]
D
Let’s briefly review the basics of covalent bonding as they pertain to carbon. Carbon has four valence electrons, which have a 2s 2 2p 2 configuration in isolated carbon atoms. These four electrons allow carbon to form four covalent bonds, which can mean four single bonds or some combination of single, double, and trip...
SCiQ_train
How does deeper material cause convection in the mantle?
[ "rises then sinks", "folds", "sinks then rises", "remains stable" ]
A
Not long after Wegener's death, scientists recognized that there is convection in the mantle. Deeper material is hotter and so it rises. Near the surface, it becomes cooler and denser so it sinks. This creates a convection cell in the mantle.
SCiQ_train
A sum of money becomes double itself in 8 years at simple interest. How many times will it become 10 years at the same rate?
[ "3 1/4", "2 1/4", "4 1/3", "8 1/2" ]
B
P ---- 2P ---- 8 years 2 1/4 P ---- 10 years ANSWER A
AquaRat_train
Riding School: You can start horse--riding at any age.Choose private or group lessons any weekday between 9 a.m.and 8:30 P.m.(3:30 p.m.on Saturdays).There are 10 kilometers of tracks and paths for leisurely rides across farmland and open country.You will need a riding hat. Opening Hours:Monday through Friday:9:00 a.m....
[ "Well trained staff members.", "Nursery for newly-born babies", "Good equipment.", "Various less expensive medicines." ]
B
MMLU_train
Calculate the circumference of a circular field whose radius is 2 centimeters.
[ "10", "6", "4", "8" ]
C
Circumference C is given by C = 2πr = 2π*2 = 4 π cm correct answer B
AquaRat_train
Our new neighbours are the Browns. They have two children, a boy and a girl. The boy is Jack and the girl is Alice. Jack is 11, and he is one year older than me. Alice and my sister Nancy are 8 years old. At weekends, Nancy and I like to go to play with Alice and Jack. Both Jack and I really enjoy playing computer game...
[ "8", "9", "10", "11" ]
A
MMLU_train
Hello! I'm Jane. I'm thirteen . I have a sister, but I don't have a brother. I like games. I often play soccer with her. I have 2 volleyballs. I like ping-pong, too. I play ping-pong with my friends after school. Do you like games ? Do you play sports every day ? Who does Jane play soccer with ?
[ "Her sister.", "Her brother.", "Her friends.", "Her classmates." ]
A
MMLU_train
Which of the following would be considered a predator?
[ "grizzly bear", "moose", "salmon", "lobster" ]
A
MMLU_train
If a tire rotates at 400 revolutions per minute when the car is traveling 72km/h, what is the circumference of the tire?
[ "3 meters", "5 meters", "8 meters", "7 meters" ]
A
400 rev / minute = 400 * 60 rev / 60 minutes = 24,000 rev / hour 24,000 * C = 72,000 m : C is the circumference C = 3 meters correct answer E
AquaRat_train
Two cyclist start from the same places in opposite directions. One is going towards north at 18kmph and the other is going towards south 20kmph. What time will they take to be 228km apart?
[ "1 1/4 hours", "6hours", "2 1/3 hours", "4hours" ]
B
To be (18+20) km apart, they take 1 hour To be 228 km apart, they take 1/38 * 228 = 6 hrs Answer is E
AquaRat_train
Two pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hours more than A to fill cistern. How much time will be taken by A to fill the cistern separately?
[ "8", "6", "9", "3" ]
B
Let the cistern be filled by pipe A alone in x hours. Then, pipe B will fill it in (x + 6) hours. 1/x + 1/(x + 6) = 1/4 x2 - 2x - 24 = 0 (x - 6)(x + 4) = 0 => x = 6. Answer: C
AquaRat_train
In most animals, what sense is related to balance or equilibrium?
[ "hearing", "feeling", "vision", "tasting" ]
A
SCiQ_train
A committee has 5 men and 6 women. What are the number of ways of selecting a group of eight persons?
[ "878", "199", "165", "234" ]
C
Total number of persons in the committee = 5 + 6 = 11 Number of ways of selecting group of eight persons = 11C8 = 11C3 = (11 * 10 * 9)/(3 * 2) = 165 ways. Answer: A
AquaRat_train
What do producers need to make food?
[ "sunlight, oxygen, and carbon dioxide", "sunlight, water, and carbon dioxide", "water, oxygen, and carbon dioxide", "water, oxygen, and sunlight" ]
B
MMLU_train
When sugar is added to water, it blends in such as in which drink?
[ "milk", "lemonade", "juice", "tea" ]
B
MMLU_train
As a body of waters surface area increases what else will increase?
[ "vaporization", "evaporating milk", "coals", "fires" ]
A
MMLU_train
What two organs secrete fluids that aid in digestion?
[ "pancreas and liver", "kidney and gall bladder", "stomach and lung", "spleen and bladder" ]
A
The pancreas and liver secrete fluids that aid in digestion.
SCiQ_train
A rabbit might die if
[ "it has insufficient money to buy food", "all the greenery was burned in a fire", "all of the rabbit's prey has disappeared", "all the other rabbits shun it" ]
B
MMLU_train
A prize of $1200 is to be distributed among 40 winners, each of whom must be awarded at least $40. If 2/5 of the prize will be distributed to 3/5 of the winners, what is the greatest possible individual award?
[ "$360", "$280", "$120", "$100" ]
C
Total value of the prize =$1200 Number of people = 40 2/5 of 1200 (=$480) should be distributed among 3/5 of 40 (=24 people ) with each getting $40 each. Remaining money = 1200-480 = $720. Now in order to 'maximize' 1 prize, we need to minimise the others and we have been given that each should get $40. Thus, minimisin...
AquaRat_train
Out of 15 consecutive numbers, 2 are chosen at random. The probability that they are both odds or both primes is?
[ "1/2", "1/7", "1/8", "1/1" ]
B
A leap year has 52 weeks and two days Total number of cases = 7 Number of favourable cases = 1 i.e., {Saturday, Sunday} Required Probability = 1/7 Answer:B
AquaRat_train
The speed of a bus increases by 2 km after every one hour. If the distance travelling in the first one hour was 35 km. what was the total distance travelled in 12 hours?
[ "287", "552", "233", "376" ]
B
Given that distance travelled in 1st hour = 35 km and speed of the bus increases by 2 km after every one hour Hence distance travelled in 2nd hour = 37 km Hence distance travelled in 3rd hour = 39 km ... Total Distance Travelled = [35 + 37 + 39 + ... (12 terms)] This is an Arithmetic Progression(AP) with first term, a=...
AquaRat_train
A train is 300 meter long is running at a speed of 35 km/hour. In what time will it pass a bridge of 115 meter length?
[ "42.686", "29", "44.586", "23" ]
A
Speed = 35 Km/hr = 35*(5/18) m/sec = 175/18 m/sec Total distance = 300+115 = 415 meter Time = Distance/speed = 415 * (18/175) = 42.686 seconds. Answer: E
AquaRat_train
Fat on human body is distributed in two different ways. Some fat people have a large chest and no waistline , looking rather like apples. Others are fatter below the waist, looking more like pears. Doctors in Cambridge, England have been examining the relationship between health and fat distribution. They fi...
[ "they take very little exercise every day", "they eat too much", "they are examined by X-ray scanners quite often", "they have much more inside fat" ]
D
MMLU_train
What is the opposite of rarefaction zones, where air molecules in waves are loosely packed?
[ "compression zones", "molecules zones", "measurements zones", "pressure wave" ]
A
Longitudinal waves, like sound waves, have compression and rarefaction zones. The compression zones are where, for example in a sound wave traveling through air, the air molecules are densely packed. The rarefaction zones are areas where the air molecules are loosely packed, like a vacuum zone. Us teachers will often d...
SCiQ_train
A man swims downstream 72 km and upstream 45 km taking 9 hours each time; what is the speed of the current?
[ "1.9", "1.5", "1.8", "1.1" ]
B
72 --- 9 DS = 8 ? ---- 1 45 ---- 9 US = 5 ? ---- 1 S = ? S = (8 - 5)/2 = 1.5 Answer:A
AquaRat_train
Before 1900, many theories existed as to the cause of yellow fever . Some doctors were sure the disease was air-borne; others felt that it was spread from person to person. Dr. Carlos Finlay, a well-known Cuban doctor of that time, had long held the theory that it was caused by the bite of mosquitoes. But neither the ...
[ "in his American lab", "by talking with Finlay", "in a kind of scientific Way", "by reading a lot of articles" ]
C
MMLU_train
Humans have long been interested greatly in the idea of being able to walk on water. Sadly, biological facts prevent us ever realizing this dream without artificial aid--we simply weigh too much, and all our weight pushes down through our relatively small feet, resulting in a lot of pressure that makes us sink. However...
[ "It is risky but beneficial.", "It is impractical though possible in thoery.", "It is crazy and cannot become a reality.", "It is interesting and worth trying." ]
B
MMLU_train
Here is 15 dots. If you select 3 dots randomly, what is the probability that 3 dots make a triangle?
[ "412/455", "438/455", "434/455", "440/455" ]
A
Total ways of selecting 3 dots out of 15 is 15C3 = 455 If 3 dots are collinear then triangle may not be formed. Now look at the above diagram. If we select any 3 dots from the red lines they may not form a triangle. They are 3 x 5C3 = 30. If we select the three letters from blue lines, they may not form a triangle. The...
AquaRat_train
What form of radiation is the energy emitted by the sun?
[ "seismic", "thermal", "magnetic", "electromagnetic" ]
D
Figure 8.11 The sun emits energy in the form of electromagnetic radiation. This radiation exists at different wavelengths, each of which has its own characteristic energy. All electromagnetic radiation, including visible light, is characterized by its wavelength.
SCiQ_train
Dogs and cats are not for students who live in the dormitory. Just think about the noise, the smell and all that wild behavior--chewing on whatever they can get their teeth on, or knocking over the trash can. But don't feel sad. There are smaller and less destructive pets to make your dormitory life colorful. Betta fis...
[ "Betta fish", "Chinchillas", "Land hermit crabs", "Red-eared sliders" ]
D
MMLU_train
If you were to walk up to Arthur Bonner and say, "Hey, Butterfly Man," his face would break into a smile. The title suits him.,and he loves it. Arthur Bonner works with the Palos Verdes blue butterfly, once thought to have died out. Today the butterfly is coming back -- thanks to him. But years ago if you'd told him th...
[ "made Bonner famous", "changed Bonner's life", "brought Bonner wealth", "enriched Bonner's knowledge" ]
B
MMLU_train
What requires nutrients to grow and gets nutrients with use of beak apparatus?
[ "dirt", "birds", "computers", "metals" ]
B
MMLU_train
Why does water infiltrate the ground?
[ "because soil and rocks are porous", "prolonged drought conditions", "gravity", "run-off from flooding" ]
A
Water infiltrates the ground because soil and rock are porous. Between the grains are pores, or tiny holes. Since water can move through this rock it is permeable. Eventually, the water reaches a layer of rock that is not porous and so is impermeable. Water stops moving downward when it reaches this layer of rock.
SCiQ_train
What occurs if the body's renal system fails to work?
[ "Gas exchange is impaired.", "Blood oxygenation no longer occurs.", "Metabolic waste builds up in the blood.", "Nutrients are no longer transported to organs." ]
C
MMLU_train
n^(n/2)=2 is true when n=2 in the same way what is the value of n if n^(n/2) =4?
[ "2", "6", "5", "4" ]
D
n^(n/2)=4 Apply log N/2logn=log4 nlogn=2log4=log4^2=log16 Logn=log16 Now apply antilog n=16/n Now n=4. ANSWER:C
AquaRat_train
Which item is designed to change electrical energy into heat energy?
[ "Alarm clock", "Hand dryer", "Fan", "Telephone" ]
B
MMLU_train
If x and g are integers and 2x–g= 11, then 4x+ g CANNOT be
[ "551", "1", "–5", "17" ]
D
2x-g=11....g=2x-11 4x+g=4x+2x-11=6x-11 6x-11=-5...x=1 6x-11=1... x=2 6x-11=13...x=4 6x-11=17..X is not integer 6x-11=551..X is not integer I think the choice E is 55 not 551. Otherwise both DE CANNOT be solution=D
AquaRat_train
Dear Mary, I must go to see your grandparents now.I prepare these things for you.Your dictionary is in the bookcase.Your schoolbag is on the sofa.Your pencil box,notebooks and your school card are in the schoolbag.Your jacket is on the chair.Don't _ your watch.It's on the desk. Love you. Mom Who writes the note ?
[ "Mary", "Mary's father", "Mary's mother", "Mary's friend" ]
C
MMLU_train
The minimum amount necessary for self-sustained fission of a given nuclide is called what?
[ "its half-life", "its molar mass", "its activation energy", "its critical mass" ]
D
Not every neutron produced by fission induces fission. Some neutrons escape the fissionable material, while others interact with a nucleus without making it fission. We can enhance the number of fissions produced by neutrons by having a large amount of fissionable material. The minimum amount necessary for self-sustain...
SCiQ_train
Many structures in fish are adaptations for what type of lifestyle?
[ "carnivorous", "symbiotic", "aquatic", "asexual" ]
C
Many structures in fish are adaptations for their aquatic lifestyle. Several are described below and shown in Figure below .
SCiQ_train
In a group of 89 students, 36 are taking History, and 32 are taking Statistics. If 59 students are taking History or Statistics or both, then how many students are taking History but not Statistics?
[ "26", "9", "27", "19" ]
C
Number of students taking history =H=36 Number of students taking statistics =S= 32 Total number of students =T= 89 Number of students taking History or Statistics or both =B= 59 Number of students taking neither history nor statistics =N= 89-59=30 LetXbe the number of students taking both history and statistics. Then ...
AquaRat_train
To help the environment, many Americans have made the change from paper and plastic bags to reusable grocery bags. But a report by a Florida newspaper says that reusable grocery bags sold by some supermarkets contain high levels of lead . Lead is a metal that can be harmful to humans, especially young children. Now, Se...
[ "have been reported by a newspaper", "have been stopped by the government", "have stopped people from using reusable bags", "have caused serious health damage to customers" ]
A
MMLU_train
A stereo can run on converted energy through
[ "wires", "coins", "AAAs", "hope" ]
C
MMLU_train
In an experiment, what is the affected variable called?
[ "form variable", "control variable", "independent variable", "dependent variable" ]
D
An experiment generally tests how one variable is affected by another. The affected variable is called the dependent variable . In the plant experiment shown above, the dependent variable is plant growth. The variable that affects the dependent variable is called the independent variable . In the plant experiment, the ...
SCiQ_train
Through this process, algae provide glucose for the ecosystem?
[ "photosynthesis", "GLUCOPHAGE", "spermatogenesis", "glycolysis" ]
A
In a marine ecosystem, algae are the producers. Through photosynthesis, they provide glucose for the ecosystem. So, can too much algae be a bad thing? Eutrophication is an over-enrichment of chemical nutrients in a body of water. Usually these nutrients are the nitrogen and phosphorous found in fertilizers. Run-off fro...
SCiQ_train
There is good news for old people with Alzheimer's disease . As we know, people who have Alzheimer's disease may get lost easily. Sometimes they can't find the way to their home. All the family members must be worried about their safety. Now, some has invented GPS-enabled walking shoes. The shoes are very special and ...
[ "They think the GPS-enabled walking shoes are very ugly.", "It is uncomfortable to wear GPS-enabled walking shoes.", "The GPS-enabled walking shoes are suitable for them.", "They don't want their parents to find them easily." ]
D
MMLU_train
A rectangular-shaped carpet that measures x feet by y feet is priced at $40. What is the cost of the carpet, in dollars per square yard? (1 square yard = 9 square feet)
[ "40xy/9", "9xy/40", "360/(xy)", "xy/360" ]
C
The area of the carpet in feet is xy. The area in square yards is xy / 9. The price per square yard is 40 / (xy/9) = 360/(xy). The answer is E.
AquaRat_train
What would you think if you went back to school on Monday and there were no desks or chairs in your classroom? That's what some fourth-and-fifth-graders at a school in Minnesota discovered earlier this year when they took part in a research project to see if changing their classrooms would make them more active. Rese...
[ "to punish the badly performed students", "to prevent children from being too fat", "to spare a lot of money for the state", "to meet the needs of different children" ]
B
MMLU_train
What if we could replace oil with a fuel which produced no pollution and which everybody had equal access to? The good news is that we can. In fact, we are swimming in it--- literally. Hydrogen is one of the building blocks of the universe. Our own sun is basically a big, dense cloud of the stuff. And hydrogen can be u...
[ "It has by-products.", "It has to be separated from other materials.", "It will make energy too cheap.", "It is too far away from us." ]
B
MMLU_train
How many seconds will a 500 metre long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr?
[ "45", "30", "40", "25" ]
B
Speed of the train relative to man = (63 - 3) km/hr = 60 km/hr =(60 x(5/18)) m/sec =50/3 m/sec. Therefore Time taken to pass the man =(500 x(3/50))sec = 30 sec. Answer :B
AquaRat_train
Albert has a box of crayons. Each box contains 20 different colored crayons. How many crayons does Albert have if he buys 2 additional boxes?
[ "60", "80", "20", "120" ]
A
E. 60
AquaRat_train
Bill Gates was born on October 28th, 1955. He and his two sisters grew up inprefix = st1 /Seattle. Their father, William H. Gates II, was aSeattleattorney . Mary Gates, their late mother, was a school teacher. Gates attended public elementary school before moving on to the private Lakeside School in North Seattle. ...
[ "At public elementary school.", "At the privateLakesideSchool.", "AtHarvardUniversity.", "At Microsoft Company." ]
B
MMLU_train
The average runs of a cricket player of 15 innings was 25. How many runs must he make in his next innings so as to increase his average of runs by 6?
[ "121", "176", "421", "143" ]
A
Explanation: Average after 16 innings = 31 Required number of runs = (31 * 16) – (25 * 15) = 496 – 375 = 121 ANSWER A
AquaRat_train
What do you call the atomic "ingredients" that go into a chemical reaction?
[ "reactants", "propellants", "complexes", "Starters" ]
A
Like equations in math, equations in chemistry must balance. There must be the same number of each type of atom in the products as there is in the reactants. In equation 1, count the number of hydrogen and oxygen atoms on each side of the arrow. There are two hydrogen atoms in both reactants and products. There are two...
SCiQ_train
If you see someone drowning, speed is very important. Once you get him out of water, if he isn't breathing, you have four minutes before his brain is completely destroyed. Support his neck, tilt his head back and press his chin upwards. This stops the tongue blocking the airway in the throat and is sometimes enough to ...
[ "If a drowning man can't breathe again in four minutes, his brain will be completely destroyed.", "If you see someone drowning, you must give him mouth-to -mouth breathing.", "When you bring a drowning child back to life, you should give him as many breaths as possible.", "When pressing, you can do it as hard...
A
MMLU_train
Transport of water and solutes in plants water potential is a measure of the difference in potential energy between a water sample and this?
[ "salty water", "dirty water", "green water", "pure water" ]
D
30.5 Transport of Water and Solutes in Plants Water potential (Ψ) is a measure of the difference in potential energy between a water sample and pure water. The water potential in plant solutions is influenced by solute concentration, pressure, gravity, and matric potential. Water potential and transpiration influence h...
SCiQ_train
An apple appears red when struck by white light. This appearance is because the red light is reflected and the other colors are absorbed. What color will this apple appear to be when struck by blue light?
[ "black", "blue", "red", "white" ]
A
MMLU_train
What is a hydrocarbon in which there are only single covalent bonds?
[ "fullerene", "proline", "alkane", "combined" ]
C
An alkane is a hydrocarbon in which there are only single covalent bonds. The simplest alkane is methane, with the molecular formula CH 4 . The carbon is the central atom and makes four single covalent bonds to hydrogen atoms.
SCiQ_train
Germs are everywhere. You can't see them, but they are on your desk, on your computer, and even in the air! Like people, germs move around the world. They fly with us on planes. When food, clothes, and other things travel around the world, germs travel, too. Some germs are safe, but some are dangerous. Germs cause illn...
[ "They kill germs and wash them away.", "They find and develop germs.", "They help protect us from germs.", "They carry dangerous germs." ]
C
MMLU_train
One morning, I stepped out of bed and put my feet on the floor. Suddenly, a mean little man jumped out from under the bed and stabbed (,) an ice pick through my left foot. Figuratively speaking, yes. I took another step and he stabbed it again. This went on all day. Step, stab, scream. Over the next few days, I sta...
[ "felt regretful because it hurt so much", "was first satisfied with her recovery", "felt better but could still feel the \"ice pick\"pain", "was busy with housework that had been delayed for days" ]
B
MMLU_train
Alan is using cabbage juice to determine the relative pH of various household solutions. Which of these steps communicates the results of his investigation?
[ "Conduct multiple trials", "Write down a procedure", "Identify the materials to be tested", "Record observations and data in a journal" ]
D
MMLU_train
To calculate distance divided by time you would need a
[ "multi-meter", "speedometer", "Geiger counter", "seismograph" ]
B
MMLU_train
What is another term for nearsightedness?
[ "hypoxia", "astigmatism", "anemia", "myopia" ]
D
Nearsightedness, or myopia, is the condition in which nearby objects are seen clearly, but distant objects appear blurry. The Figure below shows how it occurs. The eyeball is longer (from front to back) than normal. This causes images to be focused in front of the retina instead of on the retina. Myopia can be correcte...
SCiQ_train
Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?
[ "12", "9", "10", "13" ]
C
Due to stoppages, it covers 9 km less. Time taken to cover 9 km = 9/54 x 60 min = 10 min. answer :B
AquaRat_train
What is formed when atoms of different elements combine in a chemical reaction?
[ "dust", "toxins", "compounds", "crystals" ]
C
For each of the following situations, tell whether the rate of the reaction would increase or decrease, and explain your answer in terms of collision theory. The concentration of a reactant is doubled.
SCiQ_train
The area of a right triangle PCM is 18. Length of smallest side CM is 3 units. Find the length of the other two sides.
[ "18, 3", "12, 15.16", "12, 12.37", "15.16, 6" ]
C
CM=3 AREA=PM*CM/2, thus PM=12 By Pythagorean Theorem, we can now find the value of PC. D is the correct option.
AquaRat_train
39! is divided by 41. Then what is the remainder for this?
[ "1", "6", "5", "3" ]
A
Substituting p = 41 in the wilson's theorem, we get 40!+141=0 40×39!+141=0 −1×39!41=−1 Cancelling -1 on both sides, 39!41=1 A
AquaRat_train
During the day, what type of energy is transferred from the air over the land to the air over the water?
[ "magnetic", "nuclear", "thermal", "atmospheric" ]
C
A: During the day, thermal energy is transferred from the air over the land to the air over the water. During the night, thermal energy is transferred in the opposite direction.
SCiQ_train