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5 values
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5 values
aqua_train
aqua_train_66305
What distance will be covered by a bus moving at 54 kmph in 30 seconds?
[ "A)287", "B)900", "C)289", "D)276", "E)207" ]
B
aqua_train
aqua_train_38561
At what rate percent on simple interest will a sum of money double itself in 30 years?
[ "A)3 1/3%", "B)3 1/8%", "C)3 6/3%", "D)9 1/3%", "E)3 3/3%" ]
A
aqua_train
aqua_train_87560
Let us say that a table tennis tournament was going on with knock out terms which means the one who loses the match is out of the tournament. 100 players took part in that tournament. How many matches were played?
[ "A)99 matches", "B)79 matches", "C)69 matches", "D)99 matches", "E)59 matches" ]
D
ds_train
ds_train_1477
In vector calculus, the triple product rule is used to describe the derivative of a product of three functions. Given three functions \( u(x) \), \( v(x) \), and \( w(x) \), which are all differentiable with respect to \( x \), which of the following represents the correct application of the triple product rule for the...
[ "A. \\( \\frac{d}{dx}[u(x)v(x)w(x)] = u(x)v'(x)w(x) + v(x)u'(x)w(x) + w(x)u(x)v(x) \\)\nB. \\( \\frac{d}{dx}[u(x)v(x)w(x)] = u'(x)v(x)w(x) + u(x)v'(x)w(x) + u(x)v(x)w'(x) \\)\nC. \\( \\frac{d}{dx}[u(x)v(x)w(x)] = u'(x)v'(x)w(x) + u(x)v'(x)w'(x) + u'(x)v(x)w'(x) \\)\nD. \\( \\frac{d}{dx}[u(x)v(x)w(x)] = u'(x)v'(x)w(...
B
aqua_train
aqua_train_77619
A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 884 in 4 years. The sum is:
[ "A)s. 608", "B)s. 690", "C)s. 698", "D)s. 700", "E)s. 760" ]
A
aqua_train
aqua_train_38963
How many integers between 324,805 and 458,705 have tens digit 2 and units digit 3?
[ "A)1,352", "B)1,359", "C)1,329", "D)1,349", "E)1,348" ]
D
aqua_train
aqua_train_44134
A bag contains an equal number of one rupee, 50 paise and 25 paise coins respectively. If the total value is 105, how many coins of each type are there?
[ "A)20 coins", "B)30 coins", "C)40 coins", "D)60 coins", "E)None of these" ]
D
aqua_train
aqua_train_73134
A car drove from Town A to Town B without stopping. The car traveled the first 90 miles of its journey at an average speed of 25 miles per hour. What was the car’s average speed, in miles per hour, for the remaining 70 miles if the car’s average speed for the entire trip was 40 miles per hour?
[ "A)128", "B)148", "C)150", "D)155", "E)175" ]
E
ds_train
ds_train_1118
In the context of metalworking, particularly in the shaping of metals using machining processes, which of the following accurately describes the characteristic of \"chatter\" and its effect on the quality of the finished product?
[ "A. Chatter is a type of surface finish technique that enhances the visual appearance of the metal surface.\nB. Chatter is a vibration phenomenon during machining that causes periodic marks on the workpiece surface", "reducing its quality.\nC. Chatter is a controlled process used to harden the surface of the meta...
B
aqua_train
aqua_train_86028
The average marks of a class of 30 students is 40 and that of another class of 50 students is 60. Find the average marks of all the students?
[ "A)82.5", "B)52.9", "C)52.2", "D)52.5", "E)52.7" ]
D
aqua_train
aqua_train_78915
Fresh grapes contain 80% water by weight and raisins obtained by drying fresh grapes contain 25% water by weight. How many kgs of fresh grapes are needed to get 20kgs of raisins?
[ "A)75 kgs", "B)64kgs", "C)72 kgs", "D)65 kgs", "E)70 kgs" ]
A
aqua_train
aqua_train_27080
By selling 33 metres of cloth , one gains the selling price of 11 metres . Find the gain percent .
[ "A)12%", "B)25%", "C)30%", "D)45%", "E)50%" ]
E
aqua_train
aqua_train_1957
If point A coordinates are (-7, -3) point B coordinates are (7 ,4 ) if C is along the line A-B so that AC = 1/2 CB. What are the coordinates of point C.
[ "A)(-2", "- 2/3)", "B)(2", "-2/3)", "C)(2/3", "-2)", "D)(0", "2)", "E)(2", "2/3)" ]
D
aqua_train
aqua_train_93695
A man took loan from a bank at the rate of 12% p.a. simple interest. After 3 years he had to pay Rs. 3600 interest only for the period. The principal amount borrowed by him was:
[ "A)s. 2000", "B)s. 10,000", "C)s. 15,000", "D)s. 18,000", "E)s. 20,000" ]
B
mcq_train
mcq_train_159
Question: KEM \dots Options: stands for Keyless Encryption Mechanism., is a Korean encryption mechanism., is a symmetric-key algorithm., is a public-key algorithm.
[ "stands for Keyless Encryption Mechanism.", "is a Korean encryption mechanism.", "is a symmetric-key algorithm.", "is a public-key algorithm." ]
D
sciq
sciq_4
What part of the eye controls the size of the pupil?
[ "debis", "lens", "avis", "iris" ]
D
aqua_train
aqua_train_93956
If a survey shows that 30 citizens out of a sample of 300 support a particular Senate bill, what percent of the sample does not support the bill?
[ "A) 90%", "B) 64%", "C) 72%", "D) 82%", "E) 86%" ]
A
aqua_train
aqua_train_21257
A departmental store has 2 managers and 10 associates. The 2 managers have an average salary of $5000. The 10 associates have an average salary of $20000. What is the average salary for the departmental store?
[ "A)$15500", "B)$16500", "C)$17500", "D)$14500", "E)$19500" ]
C
aqua_train
aqua_train_70198
During the second quarter of 1984, a total of 2,976,000 domestic cars were sold. If this was 45% greater than the number sold during the first quarter of 1984, how many were sold during the first quarter ?
[ "A)714,240", "B)2,261,760", "C)2,052,413", "D)3,690,240", "E)3,915,790" ]
C
science_train
science_train_27
Question: Using only these supplies, which question can Jeremiah investigate with an experiment? Hints:
[ "Is the pet lizard more active when its tank is heated with one heating lamp or with two heating lamps?", "Is the pet lizard more active when it is fed insects or lettuce?", "Is the pet lizard more active when it is fed crickets or mealworms?" ]
C
aqua_train
aqua_train_82992
The dimensions of a field are 20 m by 5 m. A pit 10 m long, 4 m wide and 3 m deep is dug in one corner of the field and the earth removed has been evenly spread over the remaining area of the field. What will be the rise in the height of field as a result of this operation ?
[ "A)1m", "B)5m", "C)4m", "D)2m", "E)3m" ]
D
aqua_train
aqua_train_19566
a boy perform 5 times a reaction and his reading are 2,2.1,2,2.2 but unfortunately 5th reading clearly not visible because a drop of chemical fall onto it.but luckily he have mean of all reading which is 2.please help him in finding 5th reading.
[ "A)2", "B)1.7", "C)1.9", "D)1.8", "E)2.1" ]
B
aqua_train
aqua_train_9624
How many zeroes are there at the end of the number N, if N = 60! + 120! ?
[ "A)12", "B)14", "C)16", "D)18", "E)20" ]
B
aqua_train
aqua_train_47721
At what rate p.a a sum of Rs. 2400 will become Rs. 3600/- in 5 years.
[ "A)10%", "B)15%", "C)20%", "D)12%", "E)23%" ]
A
aqua_train
aqua_train_1753
An airplane flies against the wind from A to B in 8 hours. The same airplane returns from B to A, in the same direction as the wind, in 7 hours. Find the ratio of the speed of the airplane (in still air) to the speed of the wind.
[ "A)5", "B)10", "C)15", "D)20", "E)25" ]
C
aqua_train
aqua_train_56165
The ratio of the present age of Viju to that of Aju is 7:2. Four years from now, the ratio of the ages of Viju to Aju will be 5:2. What was Viju age 3 years ago ? (RBI Assistant 2015)
[ "A)24", "B)20", "C)12", "D)15", "E)18" ]
E
sciq
sciq_4
What is created when the warm air at the cold front rises and creates a low pressure cell, causing winds to rush into the low pressure?
[ "Tornado", "Hurricane", "Wind pressure", "rising air column" ]
D
science_train
science_train_4582
Question: Is the following statement about our solar system true or false? Earth is the largest planet that is made mainly of rock. Hints:
[ "false", "true" ]
B
aqua_train
aqua_train_91881
It takes printer A 4 more minutes more than printer B to print 40 pages. Working together, the two printers can print 50 pages in 6 minutes. How long will it take Printer A to print 100 pages?
[ "A)12", "B)18", "C)20", "D)24", "E)30" ]
E
aqua_train
aqua_train_89899
Five drainage pipes, each draining water from a pool at the same constant rate, together can drain a certain pool in 12 days. How many additional pipes R, each draining water at the same constant rate, will be needed to drain the pool in 4 days?
[ "A) 6", "B) 9", "C) 10", "D) 12", "E) 15" ]
C
aqua_train
aqua_train_1372
A train 1600 m long can cross a pole in 40 sec and then find the speed of the train?
[ "A)140", "B)142", "C)144", "D)146", "E)148" ]
C
aqua_train
aqua_train_30346
A larger cube has 125 cubic inch as a volume and in the cube there are 125 smaller cubes such that their volume is 1 cubic inch. What is the difference between the surface areas’ sum of the 125 smaller cubes and the surface area of the larger cube, in square inch?
[ "A)54", "B)600", "C)81", "D)108", "E)120" ]
B
ds_train
ds_train_937
In the context of Causal AI, consider a scenario where a researcher aims to determine whether a new medication reduces blood pressure. To design an experiment, the researcher uses a randomized controlled trial (RCT), where participants are randomly assigned to either a treatment group (receiving the medication) or a co...
[ "A. It allows for easy data collection and analysis.\nB. It ensures that the sample size is large enough to detect small effects.\nC. It eliminates confounding variables", "allowing for a clearer determination of causality.\nD. It guarantees that the results can be generalized to the entire population." ]
C
aqua_train
aqua_train_86953
Eleven bags are bought for Rs.1000 and sold at 10 for Rs.1300. What is the gain or loss in percentage?
[ "A)10%", "B)21%", "C)25%", "D)23%", "E)None of these" ]
D
aqua_train
aqua_train_96125
Tim came second in Math. When his mother asked him how much he had scored, he answered that he got the sum of the first 9 even numbers. His mother immediately worked out the answer. How much had he scored in Math?
[ "A)80", "B)90", "C)30", "D)70", "E)60" ]
B
aqua_train
aqua_train_8636
The cost price of 13 articles is equal to the selling price of 11 articles. Find the profit percent?
[ "A)78 2/11%", "B)18 2/11%", "C)88 2/11%", "D)58 2/11%", "E)68 2/11%" ]
B
aqua_train
aqua_train_12404
To fill a tank, 10 buckets of water is required. How many buckets of water will be required to fill the same tank if the capacity of the bucket is reduced to two-fifth of its present ?
[ "A)25", "B)50", "C)75", "D)100", "E)125" ]
A
aqua_train
aqua_train_17688
How many different groups of 3 people can be formed from a group of 5 people?
[ "A)5", "B)6", "C)8", "D)9", "E)10" ]
E
aqua_train
aqua_train_79759
One woman and one man can build a wall together in five hours, but the woman would need the help of two girls in order to complete the same job in the same amount of time. If one man and one girl worked together, it would take them nine hours to build the wall. Assuming that rates for men, women and girls remain consta...
[ "A)55/7", "B)1", "C)135/32", "D)222/37", "E)252/58" ]
C
science_train
science_train_440
Question: Select the organism in the same genus as the bighorn sheep. Hints:
[ "Macropus agilis", "Hystrix cristata", "Ovis dalli" ]
C
science_train
science_train_5282
Question: Which better describes the Steigerwald Forest ecosystem? Hints:
[ "It has cold", "wet winters. It also has soil that is poor in nutrients.", "It has soil that is rich in nutrients. It also has only a few types of trees." ]
B
aqua_train
aqua_train_2871
At the faculty of Aerospace Engineering, 312 students study Random-processing methods, 232 students study Scramjet rocket engines and 112 students study them both. If every student in the faculty has to study one of the two subjects, how many students are there in the faculty of Aerospace Engineering?
[ "A)424.", "B)428.", "C)430.", "D)432.", "E)436" ]
D
aqua_train
aqua_train_2840
A bag contains five white and four red balls. Two balls are picked at random from the bag. What is the probability that they both are different color?
[ "A)5/1", "B)5/9", "C)5/5", "D)5/3", "E)5/2" ]
B
aqua_train
aqua_train_46655
150 men consume 1050 kg of rice in 30 days. In how many days will 70 men consume 980 kg of rice?
[ "A)77 days", "B)60 days", "C)16 days", "D)97 days", "E)17 days" ]
B
aqua_train
aqua_train_82193
A contractor undertook to do a piece of work in 18 days. He employed certain number of laboures but 9 of them were absent from the very first day and the rest could finish the work in only 6 days. Find the number of men originally employed ?
[ "A)3.5", "B)4", "C)4.5", "D)4.2", "E)4.3" ]
C
aqua_train
aqua_train_26915
The least number which should be added to 3725 so that the sum is exactly divisible by 5, 6, 4 and 3 is?
[ "A)45", "B)55", "C)65", "D)75", "E)85" ]
B
aqua_train
aqua_train_36100
Find the value of (2 − 1/3) (1 − 1/4)(1 − 1/5)……… (1 − 1/99)(1 − 1/100)
[ "A)1/20", "B)1/21", "C)2/13", "D)2/15", "E)None" ]
A
aqua_train
aqua_train_47260
In how many ways Chief Minister and Minister be elected from a team of 12 members?
[ "A)128", "B)134", "C)132", "D)145", "E)150" ]
C
science_train
science_train_3246
Question: Which animal's mouth is also adapted to get insects out of burrows? Hints:
[ "proboscis monkey", "tamandua" ]
B
aqua_train
aqua_train_47284
Two varieties of wheat - A and B costing Rs. 9 per kg and Rs. 15 per kg were mixed in the ratio 3 : 7. If 5 kg of the mixture is sold at 25% profit, find the profit made?
[ "A)Rs. 16.58", "B)Rs. 16.51", "C)Rs. 16.59", "D)Rs. 16.50", "E)Rs. 16.52" ]
D
aqua_train
aqua_train_58141
If 80% of 90 is greater than 70% of a number by 30, what is the number?
[ "A)70", "B)60", "C)10", "D)75", "E)85" ]
B
aqua_train
aqua_train_91985
If r and s are positive integers and r-s=6, which of the following has the greatest value W?
[ "A)2r", "B)2s", "C)r +s", "D)2r-s", "E)2s-r" ]
A
aqua_train
aqua_train_87595
In a certain game, you perform three tasks. You flip a coin, and success would be heads. You roll a single dice, and success would be a point. You pick a card from a full playing-card deck, and success would be picking a spades card. If exactly one of these three tasks is successful, then you win the game. What is the ...
[ "A)11/16", "B)15/32", "C)23/48", "D)14/36", "E)17/56" ]
C
ds_train
ds_train_2215
In the context of system safety engineering, which of the following statements best describes the concept of a \u201csafety-critical system\u201d?
[ "A. It is a system whose primary purpose is to perform data analysis for improving business intelligence.\nB. It is a system that", "when it fails", "has minor or negligible consequences on operational performance or human safety.\nC. It is a system that is specifically designed to detect and mitigate cybersecu...
D
sciq
sciq_4
What is the force that pulls downward on an object and is measured by weight?
[ "strength", "work", "light", "gravity" ]
D
aqua_train
aqua_train_61840
The length of a room is 5.5 m and width is 3.75 m. What is the cost of paying the floor by slabs at the rate of $500 per sq. metre.
[ "A)$10312.50", "B)$13512.50", "C)$16512.50", "D)$14512.50", "E)$18512.50" ]
A
aqua_train
aqua_train_94573
A work can be finished in 16 days by 5 women. The same work can be finished in 8 days by sixteen men. The ratio between the capacity of a man and a woman is
[ "A)1:3", "B)4:3", "C)2:3", "D)2:1", "E)5:8" ]
E
aqua_train
aqua_train_34960
A jogger running at 9 km/hr along side a railway track is 240 m ahead of the engine of a 110 m long train running at 45 km/hr in the same direction. In how much time will the train pass the jogger?
[ "A)19 sec", "B)87 sec", "C)36 sec", "D)16 sec", "E)35 sec" ]
E
ds_train
ds_train_688
Which of the following best describes how pharmacogenetics can be used to improve drug therapy?
[ "A. By developing new drugs that are entirely resistant to genetic mutations.\nB. By identifying and utilizing genetic variations to tailor drug treatments for individual patients.\nC. By determining the environmental factors that affect the efficacy of drugs.\nD. By creating a universal drug that works effectively...
B
aqua_train
aqua_train_71901
Ayesha's father was 38 years of age when she was born while her mother was 36 years old when her brother two years younger to her was born. What is the difference between the ages of her parents?
[ "A)2 years", "B)4 years", "C)6 years", "D)7 years", "E)8 years" ]
B
aqua_train
aqua_train_34627
The volume of a cube is 1331 cc. Find its surface.
[ "A)864", "B)669", "C)658", "D)624", "E)726" ]
E
sciq
sciq_4
What is the unit of liquid measurement in the metric system?
[ "pint", "gallon", "cylinder", "liter" ]
D
aqua_train
aqua_train_4410
If the wheel is 42 cm then the number of revolutions to cover a distance of 1056 cm is?
[ "A)18", "B)4", "C)6", "D)8", "E)19" ]
B
aqua_train
aqua_train_57377
in a bus left side are 15 seats available,3 few seats in right side because in rear exit door .Each seat hold 3 people.In addition ,there is a seat back can sit 9 people all together .how many people can sit in a bus?
[ "A)52", "B)49", "C)95", "D)90", "E)66" ]
D
aqua_train
aqua_train_17180
A bag contains an equal number of one rupee, 50 paise and 25 paise coins respectively. If the total value is 35, how many coins of each type are there?
[ "A)20 coin", "B)30 coins", "C)28 coins", "D)25 coins", "E)None of these" ]
A
aqua_train
aqua_train_53483
In an examination 35% of the students passed and 520 failed. How many students appeared for the examination?
[ "A)A)540", "B)B)400", "C)C)800", "D)D)650", "E)E)840" ]
C
aqua_train
aqua_train_87413
The average of first four prime numbers greater than 20 is?
[ "A)10", "B)20", "C)30", "D)40", "E)50" ]
C
aqua_train
aqua_train_92269
The sum of the present ages of A, B, C is 57 years. Three years ago their ages were in the ratio 1:2:3. What is the present age of A?
[ "A)8", "B)9", "C)10", "D)11", "E)12" ]
D
sciq
sciq_4
When are peptide bonds between amino acids formed?
[ "process of transcription", "process of migration", "process of production", "process of translation" ]
D
aqua_train
aqua_train_54897
A group of men decided to do a work in 10days, but 5 of them became absent. If the rest of the group did the work in 12days, Find the original number of men?
[ "A)15", "B)20", "C)30", "D)25", "E)18" ]
C
ds_train
ds_train_2227
Force spectroscopy is a technique often used to measure the strength of molecular interactions. Which of the following best explains how atomic force microscopy (AFM) can be used in force spectroscopy to obtain force-distance curves?
[ "A. By using a sharp tip to indent the sample at a constant force while recording the displacement.\nB. By moving a sharp tip vertically towards and away from the sample while measuring the forces acting on the tip.\nC. By scanning the tip laterally across the sample to image the surface topography while measuring ...
B
aqua_train
aqua_train_28101
A sun is divided among X, Y and Z in such a way that for each rupee X gets, Y gets 45 paisa and Z gets 30 paisa. If the share of Y is RS. 27, what is the total amount?
[ "A)228", "B)105", "C)288", "D)277", "E)299" ]
B
aqua_train
aqua_train_85258
How many 7 in between 1 to 130?
[ "A)18", "B)20", "C)22", "D)23", "E)24" ]
D
ds_train
ds_train_401
Given the concept of \"gasung\" in the context of thermodynamics, which describes the process of gas undergoing thermal expansion without energy input, what would be the primary driver of this expansion?
[ "A. External pressure\nB. Internal energy changes\nC. Temperature differential\nD. Molecular collisions" ]
C
aqua_train
aqua_train_11021
How many 9's are there between 1 and 100?
[ "A)10", "B)20", "C)22", "D)18", "E)27" ]
B
aqua_train
aqua_train_83543
Express a speed of 36 kmph in meters per second?
[ "A)10 mps", "B)76 mps", "C)26 mps", "D)97 mps", "E)16 mps" ]
A
aqua_train
aqua_train_51555
If the positive integer y is divisible by 2, 4, and 8, then which of the following must y be divisible by? I. 8 II. 31 III. 45
[ "A)III only", "B)I only", "C)I and II only", "D)II and III only", "E)I", "II", "and III" ]
B
sciq
sciq_4
Solar energy travels in what?
[ "ions", "electrons", "neurons", "photons" ]
D
aqua_train
aqua_train_53791
Today is Monday. After 61 days, it will be:
[ "A)Sunday", "B)Saturday", "C)Friday", "D)Thursday", "E)Wednesday" ]
B
aqua_train
aqua_train_4422
If r and s are positive integers and r-s=6, which of the following has the greatest value V?
[ "A)2r", "B)2s", "C)r +s", "D)2r-s", "E)2s-r" ]
A
aqua_train
aqua_train_42071
Indu gave Bindu Rs.2500 on compound interest for 2 years at 4% per annum. How much loss would Indu has suffered had she given it to Bindu for 2 years at 4% per annum simple interest?
[ "A)1", "B)2", "C)7", "D)4", "E)9" ]
D
aqua_train
aqua_train_35645
The sum of three prime numbers is 100. If one of them exceeds another by 36, then one of the numbers is:
[ "A)7", "B)29", "C)41", "D)67", "E)89" ]
D
aqua_train
aqua_train_14738
Line L passes through the points (-2,0) and (0,a). Line LL passes through the points (4,0) and (6,2). What value of a makes the two lines parallel?
[ "A)1", "B)2", "C)3", "D)4", "E)5" ]
B
aqua_train
aqua_train_4807
The bankers discount and the true discount of a sum at 20% per annum simple interest for the same time are Rs.200 and Rs.150 respectively. What is the sum and the time?
[ "A)Sum = Rs.600 and Time = 1.6 years", "B)Sum = Rs.500 and Time = 1.6 years", "C)Sum = Rs.400 and Time = 1.6 years", "D)Sum = Rs.600 and Time = 3 years", "E)None of these" ]
A
aqua_train
aqua_train_64679
How many of the positive factors of 24 are not factors of 27
[ "A)2", "B)6", "C)4", "D)1", "E)5" ]
B
aqua_train
aqua_train_71804
Ram's age and Shyam's age are in the ratio 3:4. Seven years ago the ratio of their ages was 2:3. Find the ratio of their ages five years hence?
[ "A)26/37", "B)26/35", "C)26/39", "D)26/33", "E)26/31" ]
D
aqua_train
aqua_train_78892
If p and q are prime numbers, how many divisors does the product p^2 * q^5 have?
[ "A)8", "B)10", "C)12", "D)15", "E)18" ]
E
aqua_train
aqua_train_21808
The least number which should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3 is:
[ "A)3", "B)13", "C)23", "D)33", "E)43" ]
C
sciq
sciq_4
Larger animals expend more of what to achieve locomotion?
[ "neurons", "distance", "time", "energy" ]
D
aqua_train
aqua_train_92198
There is a single elimination lacrosse tournament, meaning when one player loses, they are out of the tournament. There are 10 teams in the tournament, how many games are played?
[ "A)10", "B)5", "C)2", "D)9", "E)7" ]
D
sciq
sciq_4
Some materials have negative heats of solution; the dissolution of one of these solutes in water is called?
[ "endothermic process", "acetylene process", "ionized process", "exothermic process" ]
D
science_train
science_train_5335
Question: Complete the sentence. In this chemical reaction, sucrose is a (). Hints:
[ "reactant", "product" ]
A
sciq
sciq_4
The structure of mitochondrion plays an important role in what?
[ "cell division", "sexual reproduction", "magnetism", "aerobic respiration" ]
D
aqua_train
aqua_train_60360
The market value of a certain machine decreased by 30 percent of its purchase price each year. If the machine was purchased in 1982 for its market value of $8,000, what was its market value two years later?
[ "A)$8,000", "B)$5,600", "C)$3,200", "D)$2,400", "E)$800" ]
C
aqua_train
aqua_train_24683
A watch passes through three hands and each gains 25%. If the 3rd sells it for Rs250, what did the 1st pay for it?
[ "A)100", "B)110", "C)128", "D)134", "E)156" ]
C
sciq
sciq_4
Elements are pure substances that make up what?
[ "some matter", "Objects", "Solids", "all matter" ]
D
aqua_train
aqua_train_4708
The avg. age of a group of 28 students is 20 years.If 4 more students join the group,the avg age increases by 1 year.The avg age of the new student is?
[ "A)22 years", "B)23 years", "C)24 years", "D)25 years", "E)28 years" ]
E
sciq
sciq_4
What common ailment is typically caused by tense muscles in the shoulders, head and neck?
[ "disturbances", "fever", "pollution", "headache" ]
D
aqua_train
aqua_train_5988
AB + CD = AAA, where AB and CD are two-digit numbers and AAA is a three digit number; A, B, C, and D are distinct positive integers. In the addition problem above, what is the value of C?
[ "A)1", "B)3", "C)7", "D)9", "E)Cannot be determined" ]
D
ds_train
ds_train_1553
In the context of dynamo theory, which of the following mechanisms is primarily responsible for the generation and maintenance of the magnetic field in planetary and stellar interiors?
[ "A. Uniform rotation of the celestial body\nB. Differential rotation and convection within the conducting fluid\nC. The presence of solid iron cores\nD. External electromagnetic fields from space" ]
B