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5 values
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6
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stringclasses
5 values
aqua_train
aqua_train_57734
A set of football matches is to be organized in a "round-robin" fashion, i.e., every participating team plays a match against every other team once and only once. If 6 matches are totally played, how many teams participated?
[ "A)4", "B)5", "C)6", "D)7", "E)8" ]
A
aqua_train
aqua_train_18784
A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 1/5 hours to fill the tank. The leak can drain all the water of the tank in?
[ "A)17 hr", "B)19 hr", "C)22 hr", "D)24 hr", "E)26 hr" ]
C
aqua_train
aqua_train_1631
If X,Y and Z are three consecutive multiples of 5. Then which of the following will the factor of X*Y*Z 1) 125 2) 250 3) 375 4) 750
[ "A)only 1", "B)1,2", "C)1,3", "D)1,2,3", "E)All of them" ]
E
aqua_train
aqua_train_32236
Ages of two persons differ by 24 years. If 6 year ago, the elder one be 3 times as old the younger one, find their present age
[ "A)12,28", "B)14,30", "C)16,32", "D)18,42", "E)19,34" ]
D
aqua_train
aqua_train_57792
The length and width of a rectangle are integer values. What is the area of the smallest such rectangle that can be inscribed in a circle whose radius is also an integer
[ "A) 42", "B) 24", "C) 36", "D) 48", "E) 60" ]
A
aqua_train
aqua_train_96236
An engine moves at the speed of 90 kmph without any coaches attached to it.Speed of the train reduces at the rate that varies directly as the square root of the number of coaches attached.When 9 coaches are attached speed decreases to 78 kmph.What will be the speed of train when 25 coaches are attached.
[ "A)90", "B)85", "C)80", "D)60", "E)70" ]
E
aqua_train
aqua_train_60497
10 3/4 + 7 2/17 - 9 1/15=?
[ "A)7 719/1020", "B)9 817/1020", "C)9 719/1020", "D)8 817/1020", "E)None of them" ]
D
aqua_train
aqua_train_93670
During the past week, a local fish market tested N fish for two infections. If 1/10 of those tested had infection A and, of those with infection A, 1/5 also had infection B, how many fish did not have both infection A and B?
[ "A)N/15", "B)4N/15", "C)14N/15", "D)N/5", "E)49N/50" ]
E
aqua_train
aqua_train_94628
Income and expenditure of a person are in the ratio 5 : 4. If the income of the person is Rs. 19000, then find his savings?
[ "A)3800", "B)3607", "C)3608", "D)3602", "E)3603" ]
A
aqua_train
aqua_train_76646
If an integer x is to be chosen at random from the integers 1 to 96, inclusive, what is the probability that x(x + 1)(x + 2) will be divisible by 8?
[ "A)1/4", "B)3/8", "C)1/2", "D)5/4", "E)5/8" ]
E
aqua_train
aqua_train_78998
A fair coin is tossed repeatedly. If heads appears on first 4 tosses what is the probability that tail appears on the next two tosses?
[ "A)1/6", "B)1/5", "C)1/3", "D)1/4", "E)1/6" ]
D
aqua_train
aqua_train_1069
Two trains are moving in the same direction at 72 kmph and 36 kmph. The faster train crosses a man in the slower train in 27 seconds. Find the length of the faster train?
[ "A)270", "B)287", "C)269", "D)200", "E)271" ]
A
aqua_train
aqua_train_4733
Guna has 8 flavors of ice cream in him parlor. How many options are there for Thilak to pick a one-flavor, two-flavor, three-flavor, four-flavor, five-flavor, six-flavor,seven-flavor or eight-flavor order?
[ "A)223", "B)395", "C)448", "D)774", "E)835" ]
B
aqua_train
aqua_train_83508
The length of a rectangle is halved, while its breadth is tripled. Watis the % change in area?
[ "A)30%", "B)40%", "C)50%", "D)60%", "E)65%" ]
C
aqua_train
aqua_train_31706
How many integers between 324,700 and 375,600 have tens digit 1 and units digit 3?
[ "A)509", "B)624", "C)756", "D)832", "E)947" ]
A
aqua_train
aqua_train_78392
In a group of ducks and cows, the total number of legs are 30 more than twice the no. of heads. Find the total no.of buffaloes.
[ "A)11", "B)12", "C)14", "D)15", "E)18" ]
D
aqua_train
aqua_train_55979
A man swims downstream 18 km and upstream 12 km taking 3 hours each time, what is the speed of the man in still water?
[ "A)3", "B)5", "C)6", "D)4", "E)8" ]
B
aqua_train
aqua_train_78269
The average (arithmetic mean)R of the four distinct positive integers p, q, s and t is x. If p and q are odd, and s and t are even, which of the following must be true? I. x is an integer II. (x−0.5) is an integer. III. 2x is an odd integer.
[ "A)I only", "B)II only", "C)III only", "D)II and III only", "E)None of the above" ]
E
sciq
sciq_4
What types of genes encode transcription factors?
[ "glycosyl transferases", "isozyme genes", "rohail genes", "homeobox genes" ]
D
aqua_train
aqua_train_65182
The average of four positive integers is 69. The highest integer is 93 and the least integer is 39. The difference between the remaining two integers is 24. Which of the following integers is the higher of the remaining two integers?
[ "A)32", "B)86", "C)84", "D)22", "E)55" ]
C
aqua_train
aqua_train_26363
The radius of a semi circle is 4.8 cm then its perimeter is?
[ "A)32.51", "B)32.4", "C)32.1", "D)32.92", "E)24.69" ]
E
sciq
sciq_4
Which chemical element is the basis of all life on earth?
[ "oxygen", "nitrogen", "hydrogen", "carbon" ]
D
aqua_train
aqua_train_21561
If X and Y are sets of integers, X # Y denotes the set of integers that belong to set X or set Y, but not both. If X consists of 8 integers, Y consists of 18 integers, and 6 of the integers are in both X and Y, then X # Y consists of how many integers?
[ "A)6", "B)14", "C)22", "D)30", "E)174" ]
B
aqua_train
aqua_train_20944
If the LCM of two integers M, N (where N> M and M>1) is M*N, then which of the following can not be true?
[ "A)Both M and N can be Prime Numbers.", "B)Both M and N can be consecutive integers.", "C)M and N do not share any Prime factors.", "D)All Prime factors of M must be Prime factors of N.", "E)M and N do not have a common factor." ]
D
aqua_train
aqua_train_94999
1=1,2=2,3=9,4=16,5=25, then 9=?
[ "A)1", "B)255", "C)3", "D)445", "E)235" ]
C
aqua_train
aqua_train_42120
Marginal cost is the cost of increasing the quantity produced (or purchased) by one unit. If the fixed cost for n products is $10,000 and the marginal cost is $200, and the total cost is $40,000, what is the value of n?
[ "A) 30", "B) 50", "C) 60", "D) 80", "E) 150" ]
E
aqua_train
aqua_train_38061
The average marks in mathematics scored by the pupils of a school at the public examination were 39. If four of these pupils who actually scored 5, 12, 15 and 19 marks at the examination had not been sent up, the average marks for the school would have been 44. Find the number of pupils sent up for examination from the...
[ "A)10", "B)25", "C)30", "D)35", "E)40" ]
B
sciq
sciq_4
People with which skin type run a greater risk of vitamin d deficiency?
[ "lighter skin", "brighter skin", "weaker skin", "darker skin" ]
D
aqua_train
aqua_train_87267
A boy was asked to multiply a number by 25. He instead multiplied the next number by 52 and got the answers 324 more than the correct answer. The number to be multiplied was
[ "A)10", "B)12", "C)15", "D)25", "E)14" ]
B
science_train
science_train_1050
Question: Which animal's skin is better adapted as a warning sign to ward off predators? Hints:
[ "hawk moth", "strawberry poison frog" ]
B
aqua_train
aqua_train_95414
Find the selling price of goods if two salesmen claim to make 25% profit each, one calculating it on cost price while another on the selling price, the difference in the profits earned being Rs. 100 and selling price being the same in both the cases?
[ "A)Rs. 1200", "B)Rs. 1600", "C)Rs. 2400", "D)Rs. 2500", "E)Rs. 3000" ]
A
aqua_train
aqua_train_84627
An bus covers a certain distance at a speed of 260 kmph in 5 hours. To cover the samedistance in 1hr, it must travel at a speed of?
[ "A)600 km/hr", "B)720 km/hr", "C)730 km/hr", "D)750 km/hr", "E)780 km/hr" ]
E
aqua_train
aqua_train_46628
As a bicycle salesperson, Norman earns a fixed salary of $20 per week plus $6 per bicycle for the first six bicycles he sells, $12 per bicycle for the next six bicycles he sells, and $18 per bicycle for every bicycle sold after the first 12. This week, Norman earned more than twice as much as he did last week. If he so...
[ "A)I only", "B)II only", "C)I and II", "D)II and III", "E)I", "II", "and III" ]
D
aqua_train
aqua_train_84979
There are n members in a certain department, including Michael. Two representatives are to be selected to attend a company conference. If there are 66 possible combinations in which Michael is not selected, what is the value of n?
[ "A)11", "B)12", "C)13", "D)14", "E)15" ]
C
aqua_train
aqua_train_81254
In a class,10 students like to play Basketball and 8 like to play Cricket. 4 students like to play on both Basketball and Cricket. How many students like to play Basketball or Cricket or both?
[ "A)12", "B)15", "C)16", "D)18", "E)14" ]
E
sciq
sciq_4
Cold fronts in winter may bring what type of storm?
[ "showers", "monsoon", "typhoon", "snow storm" ]
D
aqua_train
aqua_train_30338
Find the odd man out. 9,18,23,36,99
[ "A)9", "B)18", "C)23", "D)36", "E)99" ]
C
aqua_train
aqua_train_12558
In a class of 60 students, 20 did not opt for math. 15 did not opt for science and 5 did not opt for either. How many students of the class opted for both math and science?
[ "A)23", "B)25", "C)27", "D)30", "E)48" ]
D
aqua_train
aqua_train_63664
If A can do a work in 8 days and B can do the same work in days,in how many days A and B together can finish the work
[ "A)3 3/7", "B)4 3/7", "C)5 3/7", "D)6 3/7", "E)None of these" ]
A
aqua_train
aqua_train_13802
The present ages of three persons in proportions 10 : 1 : 5. Eight years ago, the sum of their ages was 56. Find their present ages (in years).
[ "A)50", "5", "25", "B)16", "28", "36", "C)16", "28", "35", "D)16", "28", "34", "E)16", "28", "33" ]
A
aqua_train
aqua_train_29250
5 men are equal to as many women as are equal to 8 boys. All of them earn $90 only. Men’s wages are?
[ "A)$4", "B)$6", "C)$7", "D)$9", "E)$3" ]
B
aqua_train
aqua_train_97235
Sarah, Fatima, Salma, and Lina all got tips during their waitressing shift. The average of Sarah, Fatima, and Salma's tips was $100. The average of Fatima, Salma, and Lina's tips was $90. If Lina earned $85, what did Sarah earn?
[ "A)105", "B)108", "C)110", "D)113", "E)115" ]
E
sciq
sciq_4
What type of tumor mostly does not cause serious problems and can be completely removed by surgery?
[ "toxic", "persistent", "malignant", "benign" ]
D
aqua_train
aqua_train_81934
In 1995 a certain store had 1,900 tools in stock that had been purchased for $30 each. If 1,000 of these tools were sold in 1995 for $40 each and the remaining 800 were sold in 1996 for $50 each, how many greater was the gross profit on the tools sold in 1996 than the gross profit on those sold in 1995?
[ "A)$0", "B)$6,000", "C)$8,000", "D)$32,000", "E)$40,000" ]
C
aqua_train
aqua_train_87951
What is the rate percent when the simple interest on Rs.800 amount to Rs.160 in 4 Years?
[ "A)5%", "B)7%", "C)3%", "D)9%", "E)1%" ]
A
aqua_train
aqua_train_70857
One fast typist type some matter in 5hrs and another slow typist type the same matter in 8hrs. If both do combine in how much time they will take to finish.
[ "A)10 hr 4 mins", "B)1 hr 4 mins", "C)2 hr 4 mins", "D)3 hr 4 mins", "E)1 hr 14 mins" ]
D
aqua_train
aqua_train_54211
The area of a square is equal to five times the area of a rectangle of dimensions 125 cm * 64 cm. What is the perimeter of the square?
[ "A)300", "B)800", "C)500", "D)600", "E)700" ]
B
aqua_train
aqua_train_80866
What is the remainder when 570 is divided by 6?
[ "A)1", "B)2", "C)3", "D)4", "E)45" ]
A
science_train
science_train_3259
Question: What type of rock is tillite? Hints:
[ "igneous", "sedimentary", "metamorphic" ]
B
aqua_train
aqua_train_73364
There are 12 person among whom 2 are brother. The total no.of ways in which these persons can be seated around a round table so that exactly 1 person sit between the brothers, is equal to?
[ "A)9!*2!", "B)7!*2!", "C)6!*1!", "D)2!*1!", "E)5!*1!" ]
A
aqua_train
aqua_train_96982
In what ratio P:Q should the Mixture P of milk and water in the ratio of 5:3 be mixed with another Mixture Q of milk and water in the ratio 1:3 so that the resultant mixture contains equal quantities of milk and water?
[ "A)5:2", "B)4:3", "C)3:2", "D)2:1", "E)4:1" ]
D
aqua_train
aqua_train_38173
The simple interest on a sum of money will be Rs.500 after 10 years. If the principal is trebled after 5 years what will be the total interest at the end of the tenth year?
[ "A)700", "B)800", "C)900", "D)1000", "E)1100" ]
D
aqua_train
aqua_train_44708
The length of a rectangle is twice its breadth. If its length is decreased by 5 cm and breadth is increased by 5 cm, the area of the rectangle is increased by 65 sq. cm. Find the length of the rectangle.
[ "A)12cm", "B)14cm", "C)16cm", "D)18cm", "E)20cm" ]
C
aqua_train
aqua_train_49905
Three runners Q, B and C run a race, with runner A finishing 12m ahead of runner B and 18m ahead of runner C, while runner B finishes 8m ahead of runner C. Each runner travels entire distance at a constant speed. What was the length of the race?
[ "A)36m", "B)48m", "C)60m", "D)72m", "E)84m" ]
B
sciq
sciq_4
What is the greatest contribution of arthropods to human food supply?
[ "vegetation", "reproduction", "hibernation", "pollination" ]
D
aqua_train
aqua_train_69626
A jar of 364 marbles is divided equally among a group of marble-players today. If 2 people joined the group in the future, each person would receive 1 marble less. How many people are there in the group today?
[ "A)20", "B)22", "C)24", "D)26", "E)28" ]
D
sciq
sciq_4
Amniocentesis and chorionic villus sampling can indicate whether a suspected genetic disorder is present at what stage?
[ "toddler", "adult", "infant", "fetal" ]
D
aqua_train
aqua_train_52539
A wheel rotates 20 times every minute and moves 35 cm during each rotation. How many metres does the wheel move in one hour?
[ "A)6 metre", "B)120 metre", "C)220 metre", "D)1200 metre", "E)420 metre" ]
E
science_train
science_train_1483
Question: Select the one substance that is not a rock. Hints:
[ "Basalt is not made by living things. It is a solid.", "Quartzite is not a pure substance. It is formed in nature.", "Soap is made by humans. It is a solid." ]
C
aqua_train
aqua_train_73385
How many cases do you need if you have to pack 50 dozens of bar soaps into cases that each hold 50 soaps?
[ "A)15", "B)14", "C)13", "D)12", "E)10" ]
D
aqua_train
aqua_train_88802
10,12,15,20,27,?
[ "A)34", "B)35", "C)36", "D)37", "E)38" ]
E
aqua_train
aqua_train_827
Chris age after 14years will be 5 times his age 5years back. what is the present age of Chris?
[ "A)A)20", "B)B)25", "C)C)15", "D)D)22", "E)E)11" ]
E
aqua_train
aqua_train_72067
In an examination it is necessary for a candidate to get 45 % of the maximum marks to pass. A candidate who gets 180 marks, fails by 45 marks. Find the maximum marks.
[ "A)450", "B)600", "C)500", "D)550", "E)650" ]
C
science_train
science_train_2160
Question: What information supports the conclusion that Vicky inherited this trait? Hints:
[ "Both of Vicky's biological parents have naturally black hair.", "Some people use a hair dryer to straighten their hair. But Vicky and her brothers have naturally straight hair.", "When she was younger", "Vicky wore ribbons in her naturally black hair." ]
A
aqua_train
aqua_train_94806
Two goods trains each 500 m long are running in opposite directions on parallel tracks. Their speeds are 45 km/hr and 30 km/hr respectively. Find the time taken by the slower train to pass the driver of the faster one?
[ "A)22 sec", "B)88 sec", "C)48 sec", "D)18 sec", "E)9 sec" ]
C
aqua_train
aqua_train_39234
A certain sum of money at simple interest amounted Rs.780 in 5 years at 4% per annum, find the sum?
[ "A)337", "B)268", "C)198", "D)650", "E)168" ]
D
aqua_train
aqua_train_66849
Jill works as a waitress at the local diner where she earns an hourly wage of $7.00 per hour and a standard tip rate of 5% of the cost of the orders she serves. If she worked four 12-hour shifts this week and averaged $40 in orders per hour, how much did Jill earn this week?
[ "A)280", "B)300", "C)320", "D)432", "E)400" ]
D
aqua_train
aqua_train_69869
180 metres long yard, 11 trees are palnted at equal distances, one tree being at each end of the yard. What is the distance between 2consecutive trees
[ "A)18", "B)12", "C)14", "D)16", "E)17" ]
A
aqua_train
aqua_train_253
Bradley owns b video game cartridges. If Bradley’s total is one-third the total owned by Andrew and twice the total owned by Charlie, how many video game cartridges do the three of them own altogether, in terms of b?
[ "A)(16/3)b", "B)(17/4)b", "C)(13/4)b", "D)(9/2)b", "E)(7/12)b" ]
D
aqua_train
aqua_train_82939
A family had dinner in a restaurant and paid $30 for food. They also had to pay 9.5% sale tax and 10% for the tip. How much did they pay for the dinner?
[ "A)$35.83", "B)$35.84", "C)$35.85", "D)$35.86", "E)$35.87" ]
C
aqua_train
aqua_train_41510
A housewife wishes to purchase three articles A, B and C from a sum of Rs. 200. The unit prices of the articles A, B and C are Rs. 20, Rs. 35 and Rs. 25 respectively. If she spends the entire amount by purchasing 5 numbers of articles of type C, what is the ratio of the number of articles purchased of type A to that of...
[ "A)1 : 2", "B)2 : 1", "C)1 : 1", "D)None of these", "E)Cannot be determined" ]
B
aqua_train
aqua_train_97209
The expression x#y denotes the product of the consecutive multiples of 3 between x and y, inclusive. What is the sum of the exponents in the prime factorization of 21#30?
[ "A)10", "B)11", "C)12", "D)13", "E)14" ]
C
science_train
science_train_6217
Question: What information supports the conclusion that Alan acquired this trait? Hints:
[ "Alan's scar was caused by an accident. He cut his arm when he fell off his bicycle.", "Some scars fade more quickly than others." ]
A
aqua_train
aqua_train_68626
If a farmer wants to plough a farm field on time, he must plough 120 hectares a day. For technical reasons he ploughed only 85 hectares a day, hence he had to plough 2 more days than he planned and he still has 40 hectares left. What is the area of the farm field and how many days the farmer planned to work initially?
[ "A)600", "B)490", "C)720", "D)435", "E)679" ]
C
aqua_train
aqua_train_33896
A basket has 6 apples and 4 oranges. FOUR fruits are picked at random. The probability that at least 3 apples are picked is
[ "A)25/42", "B)25/48", "C)19/42", "D)25/47", "E)25/43" ]
C
aqua_train
aqua_train_82444
Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number?
[ "A)378", "B)180", "C)820", "D)734", "E)840" ]
B
aqua_train
aqua_train_329
A man purchased 3 blankets @ Rs.100 each, 5 blankets @ Rs.150 each and two blankets at a certain rate which is now slipped off from his memory. But he remembers that the average price of the blankets was Rs.150. Find the unknown rate of two blankets?
[ "A)300", "B)350", "C)450", "D)470", "E)500" ]
C
aqua_train
aqua_train_24921
If a certain sample of data has a mean of 22.0 and a standard deviation of 3.0, which of the following values is more than 2.5 standard deviations from the mean?
[ "A)12.0", "B)13.5", "C)14.5", "D)23.5", "E)26.5" ]
C
aqua_train
aqua_train_64425
A bank issued credit card numbers and the corresponding PIN (Personal Identification Number). Both are 3-digit numbers up to 996. Pinaki was the last to get the credit card and so he had the last possible credit card number. He was afraid of forgetting his PIN. He wrote down the number 128 in his diary to remember his ...
[ "A)867", "B)869", "C)871", "D)873", "E)None" ]
B
aqua_train
aqua_train_14231
How many digits are in (8×10^12)(10×10^9)?
[ "A)20", "B)23", "C)26", "D)27", "E)28" ]
B
aqua_train
aqua_train_7224
At what rate percent on simple interest will Rs.750 amount to Rs.900 in 4 years?
[ "A)6%", "B)2%", "C)4%", "D)5%", "E)3%" ]
D
aqua_train
aqua_train_13008
If a number x is in octal form and having zero as unit place then if we change that number x in decimal form then what is the probability that number x having zero as unit place?
[ "A)11/64", "B)11/69", "C)11/66", "D)11/64", "E)11/61" ]
A
aqua_train
aqua_train_41918
The length of the rectangular field is double its width. Inside the field there is square shaped pond 5m long. If the area of the pond is 1/8 of the area of the field. What is the length of the field?
[ "A)54", "B)32", "C)75", "D)20", "E)11" ]
D
sciq
sciq_4
Furthermore, most of the proteins within membranes have both hydrophobic and which other regions?
[ "atmospheric", "lymphatic", "cytosolic", "hydrophilic" ]
D
sciq
sciq_4
What is the accumulated total of all the biochemical reactions occurring in a cell or organism called?
[ "respiration", "expansion", "circulation", "metabolism" ]
D
aqua_train
aqua_train_13098
Of the people who responded to a market survey, 200 preferred Brand X and the rest preferred Brand Y. If the respondents indicated a preference for Brand X over Brand Y by ratio of 4 to 1, how many people responded to the survey?
[ "A)80", "B)160", "C)250", "D)350", "E)480" ]
C
aqua_train
aqua_train_8751
The difference between a number and its three-fifths is 50.What is the number?
[ "A)75", "B)100", "C)125", "D)Cannot be determined", "E)None of these" ]
C
sciq
sciq_4
Making ups about 50 percent of the modern american diet, what food group can be classified according to the number of monomers they contain of simple sugars and/or complex sugars?
[ "proteins", "fats", "grains", "carbohydrates" ]
D
aqua_train
aqua_train_82523
If xy+4z = x(y+z), which of the following must be true?
[ "A)1. x=0 and z=0", "B)2. x=1 and y=1", "C)3. y=1 and z=0", "D)4. x=1 or y=0", "E)5. x=4 or z=0" ]
E
aqua_train
aqua_train_7660
A delegation of 5 members has to be formed from 3 ladies and 5 gentlemen. In how many ways the delegation can be formed, if 2 particular ladies are always included in the delegation?
[ "A)20", "B)27", "C)24", "D)25", "E)12" ]
A
aqua_train
aqua_train_682
The probabilities of solving a question by 3students A, B & C are 1/2,1/3 &1/4, respectively. The probability that the problem will be solved is?
[ "A)1/2", "B)3/4", "C)3/5", "D)3/7", "E)4/9" ]
B
ds_train
ds_train_929
Causal AI aims to establish a cause-and-effect relationship between variables within a dataset. Which of the following techniques is most commonly used to identify causal relationships in Causal AI?
[ "A. Linear Regression\nB. Granger Causality\nC. Convolutional Neural Networks\nD. Principal Component Analysis" ]
B
sciq
sciq_4
What is the physical area where a specie lives?
[ "marine biome", "ecosystem", "farmland", "habitat" ]
D
sciq
sciq_4
What is the main element in organic compounds?
[ "hydrogen", "oxygen", "nitrogen", "carbon" ]
D
aqua_train
aqua_train_27906
The difference between a two digit number and the number obtained by interchanging the positions of its digit is 36. What is the difference between the two digits of that number?
[ "A)3", "B)4", "C)9", "D)8", "E)7" ]
B
aqua_train
aqua_train_78528
Whats the probability of getting 5 Sunday(my favorite day) in a 31 day month ?
[ "A)3/7", "B)4/7", "C)5/7", "D)6/7", "E)7/7" ]
A
aqua_train
aqua_train_76531
If a and b are positive even integers, and the least common multiple of a and b is expressed as a*b/r, which of the following statements could be false?
[ "A)n is a factor of both a and b", "B)(a*b)/n < ab", "C)ab is multiple of 2.", "D)(a*b)/n is a multiple of 2.", "E)r is a multiple of 4." ]
E
aqua_train
aqua_train_72563
The average (arithmetic mean) of 16 students first quiz scores in a difficult English class is 62.5. When one student dropped the class, the average of the remaining scores increased to 62.0. What is the quiz score of the student who dropped the class?
[ "A)a) 10", "B)b) 25", "C)c) 40", "D)d) 55", "E)e) 70" ]
E
aqua_train
aqua_train_28503
A train has a length of 150 meters . it is passing a man who is moving at 5 km/hr in the same direction of the train, in 3 seconds. Find out the speed of the train.
[ "A)182 km/hr", "B)180 km/hr", "C)185 km/hr", "D)169 km/hr", "E)179 km/hr" ]
C
sciq
sciq_4
Melting points are temperatures that are high enough to separate liquids from which substances?
[ "gases", "seeds", "oils", "solids" ]
D