dataset
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5 values
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stringlengths
6
18
question
stringlengths
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1.92k
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stringclasses
5 values
science_train
science_train_3800
Question: During this time, thermal energy was transferred from () to (). Hints:
[ "each salmon . . . the surroundings", "the surroundings . . . each salmon" ]
B
aqua_train
aqua_train_37744
A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that all the four bulbs are defective
[ "A)1/128", "B)1/121", "C)1/120", "D)1/123", "E)1/126" ]
E
aqua_train
aqua_train_92647
In what time will a train 100 m long cross an electric pole, it its speed be 144 km/hr?
[ "A)2.5 sec", "B)2.8 sec", "C)8.5 sec", "D)2.2 sec", "E)4.5 sec" ]
A
aqua_train
aqua_train_21214
A basket has 5 apples and 4 oranges. Three fruits are picked at random. The probability that at least 2 apples are picked is?
[ "A)25/42", "B)25/46", "C)25/41", "D)25/49", "E)25/23" ]
A
aqua_train
aqua_train_2839
A train speeds past a pole in 15 seconds and a platfrom 100 m long in 25 seconds. Its length is :
[ "A)100 m", "B)125 m", "C)130 m", "D)150 m", "E)None" ]
D
aqua_train
aqua_train_67897
The L.C.M. of 2 numbers is 30. The numbers are in the ratio 2:3. Find their sum?
[ "A)36", "B)25", "C)48", "D)32", "E)56" ]
B
science_train
science_train_6076
Question: Which statement is true about the average monthly temperature in Lagos? Hints:
[ "December", "January", "and February are the coldest months of the year.", "September", "October", "and November are much warmer than the other months of the year.", "The average monthly temperature does not change much throughout the year." ]
C
aqua_train
aqua_train_2250
Excluding stoppages, the speed of a bus is 70 km/hr and including stoppages, it is 40 km/hr. For how many minutes does the bus stop per hour?
[ "A)118 min", "B)10 min", "C)18 min", "D)16 min", "E)25 min" ]
E
aqua_train
aqua_train_72110
A certain sum is invested at simple interest at 18% p.a. for two years instead of investing at 12% p.a. for the same time period. Therefore the interest received is more by Rs. 840. Find the sum?
[ "A)7000", "B)2787", "C)2799", "D)2699", "E)2790" ]
A
aqua_train
aqua_train_22503
Calculate the ratio between x and y if 25% of x equal to 40% of y?
[ "A)5 : 8", "B)5 : 9", "C)5 : 7", "D)5 : 6", "E)5 : 4" ]
A
aqua_train
aqua_train_88434
Two trains are moving at 50 kmph and 70 kmph in opposite directions. Their lengths are 150 m and 100 m respectively. The time they will take to pass each other completely is?
[ "A)7 1/2 sec", "B)7 1/7 sec", "C)7 2/2 sec", "D)8 1/2 sec", "E)7 1/9 sec" ]
D
aqua_train
aqua_train_11872
What will come in place of the x in the following Number series? 12, 38, 116, 350, 1052,3158, x
[ "A)2643", "B)5464", "C)9476", "D)7554", "E)3158" ]
C
aqua_train
aqua_train_80460
How many odd factors does 250 have?
[ "A) 3", "B) 4", "C) 5", "D) 6", "E) 8" ]
B
aqua_train
aqua_train_32011
A man can row upstream at 25 kmph and downstream at 35 kmph, and then find the speed of the man in still water?
[ "A)20 kmph", "B)40 kmph", "C)30 kmph", "D)55 kmph", "E)68 kmph" ]
C
aqua_train
aqua_train_22311
Vijay bought 160 shirts at the rate of Rs. 225 per shirt. The transport expenditure was Rs. 1400. He paid an octroi at the rate of Rs. 1.75 per shirt and labour charges were Rs. 320. What should be the selling price of one shirt, if he wants a profit of 10%?
[ "A)282", "B)229", "C)277", "D)285", "E)261.25" ]
E
aqua_train
aqua_train_30245
Exactly 30% of the reporters for a certain wire service cover local politics in Country X. If 25% of the reporters who cover politics for the wire service do not cover local politics in Country X, what percent of the reporters for the wire service do not cover politics?
[ "A)20%", "B)42%", "C)60%", "D)80%", "E)84%" ]
C
ds_train
ds_train_438
In the context of immunohistochemistry, which of the following steps is crucial for the specific visualization of an antigen in tissue sections?
[ "A. Blocking non-specific binding sites\nB. Adding a secondary antibody before the primary antibody\nC. Subjecting the tissue to high temperatures\nD. Using fluorescent in situ hybridization (FISH)" ]
A
aqua_train
aqua_train_46247
A dishonest dealer marks up the price of his goods by 20% and gives a discount of 10% to the customer. He also uses a 900 gram weight instead of a 1 kilogram weight. Find his percentage profit due to these maneuvers?
[ "A)8%", "B)12%", "C)20%", "D)16%", "E)None" ]
C
aqua_train
aqua_train_45883
In how many ways a committee, consisting of 5 men and 6 women can be formed from 8 men and 10 women?
[ "A)11760", "B)266", "C)5040", "D)3000", "E)2000" ]
A
aqua_train
aqua_train_55950
If p and q are prime numbers, how many divisors does the product p^3*q^6 have?
[ "A)9", "B)12", "C)18", "D)28", "E)363" ]
D
aqua_train
aqua_train_70253
A farmer with 1,350 acres of land had planted his fields with corn, sugar cane, and tobacco in the ratio of 5:3:1, respectively, but he wanted to make more money, so he shifted the ratio to 2:4:3, respectively. How many more acres of land were planted with tobacco under the new system?
[ "A)90", "B)150", "C)270", "D)300", "E)450" ]
D
aqua_train
aqua_train_56212
Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 5 sec. What is the length of the fast train?
[ "A)23 m", "B)23 2/9 m", "C)27 m", "D)27 7/9 m", "E)28 m" ]
D
aqua_train
aqua_train_74443
X and Y are two towns. Ganesh covers the distance from X to Y at an average speed of 43 Km/hr. However, he covers the distance from Y to X at an average speed of 35 Km/hr. His average speed during the whole journey in km/hr. is :
[ "A)34", "B)43", "C)40", "D)38.6", "E)29" ]
D
aqua_train
aqua_train_55790
What day of the week was 1 January 1901
[ "A)Monday", "B)Tuesday", "C)Saturday", "D)Friday", "E)None of these" ]
B
aqua_train
aqua_train_95838
When positive integer m is divided by positive integer x, the reminder is 7 and when positive integer n is divided by positive integer y, the reminder is 11. Which of the following T is a possible value for x + y? I. 18 II. 19 III. 20
[ "A)I only", "B)II only", "C)T=III only", "D)II and III only", "E)None" ]
C
aqua_train
aqua_train_35228
The total marks obtained by a student in Mathematics and Physics is 60 and his score in Chemistry is 20 marks more than that in Physics. Find the average marks scored in Mathamatics and Chemistry together?
[ "A)40", "B)98", "C)27", "D)29", "E)22" ]
A
aqua_train
aqua_train_16232
A man can reach certain place in 10hours. If he reduces his speed by 1/5th, he goes 10km less in time. Find his speed?
[ "A)5km/hr", "B)22.5km/hr", "C)10.78km/hr", "D)14km/hr", "E)43.15km/hr" ]
A
aqua_train
aqua_train_25358
A car driver travels from the plains to the hill station, which are 200 km apart at an average speed of 55km/hr. in return trip, he covers the same distance at an average speed of 20km/hr. the average speed of the car over the entire distance of 400 km is
[ "A)8.95km/hr", "B)26.7km/hr", "C)27.8km/hr", "D)29.3km/hr", "E)8.45km/hr" ]
D
aqua_train
aqua_train_22079
A man deposited Rs 50000 in bank at 8% simple interest in 5 years ago. Now he decided to divide total amount among his 7 sons. How much money will get each son?
[ "A)15000", "B)8000", "C)12000", "D)16000", "E)10000" ]
E
aqua_train
aqua_train_14822
A person traveled from his house to office at 30 kmph; then he was late to his office by 5 minutes. If he increases his speed by 10 kmph he would be early by 15 minutes to his office. What should be his speed so that he reaches his office on time ?
[ "A)36 kmph", "B)32 kmph", "C)34 kmph", "D)35 kmph", "E)37 kmph" ]
B
aqua_train
aqua_train_53719
3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day should 4 pumps work in order to empty the tank in 1 day?
[ "A)10", "B)12", "C)8", "D)15", "E)18" ]
B
aqua_train
aqua_train_74458
he ratio between the sale price and the cost price of an article is 3:1. What is the ratio between the profit and the cost price of that article?
[ "A)2:1", "B)2:9", "C)2:4", "D)2:1", "E)2:5" ]
A
aqua_train
aqua_train_70284
A large research project was scheduled over the course of a 25-month period, and a budget of $100,000 was allotted for the course of the entire project. After 9 months, the project had spent $35,800. Was the project at this point over budget or under budget, and by how much?
[ "A)under", "$200", "B)under", "$1200", "C)under", "$7000", "D)over $1800", "E)over $5800" ]
A
aqua_train
aqua_train_1530
The calendar of the year 2024 can be used again in the year?
[ "A)2288", "B)2052", "C)2778", "D)2719", "E)1711" ]
B
aqua_train
aqua_train_9239
What is the greatest positive integer x such that 5^x is a factor of 125^10?
[ "A)5", "B)9", "C)10", "D)20", "E)30" ]
E
aqua_train
aqua_train_87625
A man took loan from a bank at the rate of 4 % p.a. S.I. After 10 years he had to pay Rs. 2000 interest only for the period. The principal amount borrowed by him was?
[ "A)5000", "B)4500", "C)3200", "D)6000", "E)1592" ]
A
aqua_train
aqua_train_20254
In what ratio should a variety of rice costing Rs. 6 per kg be mixed with another variety of rice costing Rs. 8.75 per kg to obtain a mixture costing Rs. 7.50 per kg?
[ "A)5/6", "B)3/9", "C)5/0", "D)5/3", "E)5/9" ]
A
aqua_train
aqua_train_87237
A father said to his son, "I was as old as you are at present at the time of your birth." If the father's age is 38 years now, the son's age five years back was:
[ "A)9 years", "B)14 years", "C)25 years", "D)12 years", "E)11 years" ]
B
aqua_train
aqua_train_2928
There is a square with sides of 13. What is the area of the biggest circle that can be cut out of this square?
[ "A)132.73", "B)231.92", "C)530.93", "D)113.1", "E)204.33" ]
A
aqua_train
aqua_train_58484
A(n+1)=1+(1/A(n)) and A(1)=1. What is the value of A(8)?
[ "A)30/17", "B)32/19", "C)34/21", "D)36/23", "E)38/25" ]
C
aqua_train
aqua_train_37113
An old priest fell on a bottom of the well of a church. The well is 19 inches deep. At day time, the old priest climbs 5-inches but when at dark he slip back 4 inches. In how many days priest will come out of the well ?
[ "A)15-days", "B)14-days", "C)11-days", "D)19-days", "E)10-days" ]
A
sciq
sciq_4
What are the specfic types of proteins that determine your blood type called?
[ "Plasma", "antibodies", "Globulins", "antigens" ]
D
aqua_train
aqua_train_96986
A’s speed is 25/18 times that of B. If A and B run a race, what part of the length of the race should A give B as a head start, so that the race ends in a dead heat?
[ "A)1/18", "B)7/18", "C)7/25", "D)3/25", "E)1/25" ]
C
aqua_train
aqua_train_56904
If TIER is written as 7193 and BRAIN is written as 23415, how is RENT coded ?
[ "A)3653", "B)3657", "C)2977", "D)3957", "E)2711" ]
D
aqua_train
aqua_train_24359
Six years ago, P was half of Q's age. If the ratio of their present ages is 3:4 what will be the total of their present ages?
[ "A)33", "B)67", "C)29", "D)21", "E)35" ]
D
aqua_train
aqua_train_80310
In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?
[ "A)1/10", "B)2/5", "C)2/7", "D)5/7", "E)None of these" ]
C
sciq
sciq_4
When it is winter in the northern hemisphere the southern hemisphere experiences which season?
[ "winter", "autumn", "spring", "summer" ]
D
aqua_train
aqua_train_67113
A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. How far is the place?
[ "A)2.86", "B)2.88", "C)2.29", "D)2.24", "E)2.97" ]
B
aqua_train
aqua_train_38303
Sandy gets 3 marks for each correct sum and loses 2 marks for each incorrect sum. Sandy attempts 30 sums and obtains 65 marks. How many sums did Sandy get correct?
[ "A)19", "B)21", "C)23", "D)25", "E)27" ]
D
aqua_train
aqua_train_68324
What is the decimal equivalent of (1/4)^4?
[ "A)0.0039", "B)0.0625", "C)0.16", "D)0.25", "E)0.5" ]
A
aqua_train
aqua_train_29988
What investment must be made to obtain Rs 650 income from 10% stock at Rs 96?
[ "A)6240", "B)6248", "C)2727", "D)6212", "E)6172" ]
A
aqua_train
aqua_train_91998
if p/q=3/4 then3p+5q=?
[ "A)25/4", "B)29/4", "C)20/4", "D)35/4", "E)25/3" ]
B
aqua_train
aqua_train_54949
A can give B 120 meters start and C 200 meters start in a kilometer race. How much start can B give C in a kilometer race?
[ "A)90.09 meters", "B)111.12 meters", "C)112.12 meters", "D)113.12 meters", "E)None of these" ]
A
aqua_train
aqua_train_80587
An article was sold after a discount of 20% and therewas a gain of 20%. If the profit madeon it was Rs.6 less thanthe discount offered on it, find its SP?
[ "A)Rs. 68", "B)Rs. 70", "C)Rs. 72", "D)Rs. 88", "E)Rs. 98" ]
C
science_train
science_train_6119
Question: Identify the question that Haley's experiment can best answer. Hints:
[ "Does the humidity level where tomato seeds are planted affect the number of tomato seedlings that grow?", "Do more tomato seedlings grow when they are planted in soil with fertilizer compared to soil without fertilizer?" ]
B
sciq
sciq_4
What is the term for electric current that keeps reversing direction?
[ "direct current", "AC/DC", "magnetic current", "alternating current" ]
D
aqua_train
aqua_train_55776
The digital sum of a number is the sum of its digits. For how many of the positive integers 24-80 inclusive is the digital sum a multiple of 7?
[ "A)7", "B)9", "C)14", "D)16", "E)20" ]
B
aqua_train
aqua_train_62086
A shopkeeper sells 400 metres of cloth for Rs. 18000 at a loss of Rs.5 per metre. Find his cost price for one metre of cloth?
[ "A)12", "B)67", "C)26", "D)50", "E)12" ]
D
aqua_train
aqua_train_86247
What is theleast number should be added to 1056, so the sum of the number is completely divisible by 23?
[ "A)20", "B)23", "C)25", "D)27", "E)28" ]
B
aqua_train
aqua_train_16726
The product of ages of Harshit and Haritika is 240. If Hritika would have been twice her age she will be 4 years elder to Harshit. What is Haritika's age now?
[ "A)16 yrs", "B)24 years", "C)12 years", "D)10 years", "E)15 years" ]
C
aqua_train
aqua_train_10144
If you cut a 18ft piece of wood into two pieces making one piece 4ft longer than the other. What size is the smaller piece?
[ "A)4ft", "B)6ft", "C)8ft", "D)7ft", "E)12ft" ]
D
aqua_train
aqua_train_58403
The cost price of 13 articles is equal to the selling price of 11 articles. Find the profit percent?
[ "A)18 2/7%", "B)18 2/11%", "C)12 2/12%", "D)13 2/9%", "E)14 2/7%" ]
B
aqua_train
aqua_train_44593
A third of Arun’s marks in mathematics exeeds a half of his marks in english by 80.if he got 240 marks In two subjects together how many marks did he got inh english?
[ "A)140", "B)150", "C)160", "D)170", "E)180" ]
C
aqua_train
aqua_train_59383
The following operations are defined for real numbers. a # b = a + b, if a and b both are positive else a # b = 1. a ∇ b = ( a x b)a+b if a x b is positive else a ∇ b = 1. (2 # 1 ) / (1 ∇ 2) =
[ "A)1/8", "B)1", "C)3/8", "D)3", "E)7" ]
C
aqua_train
aqua_train_54983
Which of the following is a prime number ?
[ "A)33", "B)81", "C)93", "D)97", "E)32" ]
D
aqua_train
aqua_train_23528
On 4th Jan, 2009 Sunday falls. What day of the week was it on 4th Jan, 2008?
[ "A)Wednesday", "B)Thursday", "C)Friday", "D)Saturday", "E)Sunday" ]
D
aqua_train
aqua_train_33587
If a farmer wants to plough a farm field on time, he must plough 340 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)280", "B)490", "C)720", "D)435", "E)679" ]
A
aqua_train
aqua_train_43531
After spending 40 percent machinery, 25 percent in building , 15 percent in raw material and 5 percent on furniture . John had a balance of Rs.1305. Total money with him was?
[ "A)6700", "B)8700", "C)9400", "D)9800", "E)8900" ]
B
aqua_train
aqua_train_19286
The product of two numbers is 9375 and the quotient, when the larger one is divided by the smaller, is 15. The sum of the numbers is:
[ "A)380", "B)395", "C)400", "D)425", "E)Either (a) or (b)" ]
C
aqua_train
aqua_train_28305
A, B and C enter into a partnership. They invest Rs. 70,000, Rs. 80,000 and Rs. 1,20,000 respectively. At the end of the first year, B withdraws Rs. 40,000, while at the end of the second year, C withdraws Rs. 80,000. In what ratio will the profit be shared at the end of 3 years?
[ "A)21 : 32 : 4", "B)21 : 26 : 4", "C)21: 12 : 1", "D)21: 16 : 28", "E)none" ]
D
aqua_train
aqua_train_60629
|x+3| – |4-x| = |8+x| How many K solutions will this equation have?
[ "A)0", "B)1", "C)2", "D)3", "E)4" ]
A
aqua_train
aqua_train_35922
Which of the following is(are) true for a@b=b@a? I. a@b=ab+ba II. a@b=(a+b+1)(a-b) III. a@b=(a/b)+(b/a)
[ "A)only Ⅰ", "B)only Ⅱ", "C)only Ⅲ", "D)only ⅠⅢ", "E)only ⅡⅢ" ]
D
sciq
sciq_4
A biofilm is a colony of what that is stuck to a surface such as a rock or a host’s tissues?
[ "insects", "eukaryotes", "vacuoles", "prokaryotes" ]
D
aqua_train
aqua_train_34303
The length of a rectangle is two - fifths of the radius of a circle. The radius of the circle is equal to the side of the square, whose area is 1225 sq.units. What is the area (in sq.units) of the rectangle if the rectangle if the breadth is 6 units?
[ "A)140", "B)84", "C)88", "D)72", "E)12" ]
B
aqua_train
aqua_train_30413
A and B enter into a partnership with capitals in the ratio 2 : 3. At the end of 9 months, A withdraws from the business. If their profits are in the ratio 1 : 2, how long did B invest his capital?
[ "A)12 months", "B)8 months", "C)10 months", "D)14 months", "E)None of these" ]
A
aqua_train
aqua_train_64657
In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there?
[ "A)200", "B)205", "C)204", "D)209", "E)300" ]
D
aqua_train
aqua_train_22694
Calculate the cost of j bottles of wine given that the cost of k bottles of said wine is c rupees?
[ "A)Rs.(c*k)", "B)Rs.(j*k)", "C)Rs.(j-k)", "D)Rs.(c/k)", "E)Rs.(jc/k)" ]
E
aqua_train
aqua_train_29514
Find the sum The difference between the compound and S.I. on a certain sum of money for 2 years at 10% per annum is Rs.18 of money?
[ "A)1800", "B)1992", "C)9921", "D)2798", "E)2789" ]
A
aqua_train
aqua_train_44228
3 men or 6 women can do a piece of work in 23 days. In how many days will 12 men and 8 women do the same work?
[ "A)15/9 days", "B)15/4 days", "C)18/4 days", "D)69/16 days", "E)35/4 days" ]
D
aqua_train
aqua_train_74500
A mathematics teacher tabulated the marks secured by 35 students of 8th class. The average of their marks was 72. If the marks secured by Reema was written as 46 instead of 96 then find the correct average marks up to two decimal places.
[ "A)73.41", "B)74.31", "C)73.42", "D)73.43", "E)Cannot be determined" ]
C
aqua_train
aqua_train_58967
If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 55, what is the compound interest on the same sum at the rate and for the same time?
[ "A)s. 56.37", "B)s. 53.22", "C)s. 56.219", "D)s. 51.18", "E)s. 51.11" ]
A
aqua_train
aqua_train_49872
1000 men have provisions for 15 days. If 200 more men join them, for how many days will the provisions last now?
[ "A)12.9", "B)12.5", "C)12.6", "D)12.2", "E)12.1" ]
C
aqua_train
aqua_train_54138
On selling 11 balls at Rs. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is:
[ "A)s. 45", "B)s. 50", "C)s. 55", "D)s. 60", "E)s. 120" ]
E
aqua_train
aqua_train_72336
n the youth summer village there are 150 people, 75 of them are not working, 50 of them have families and 100 of them like to sing in the shower. What is the largest possible number of people in the village, which are working, that don't have families and that are singing in the shower?
[ "A)25.", "B)50.", "C)75", "D)100", "E)150" ]
C
science_train
science_train_1776
Question: Select the organism in the same species as the European wildcat. Hints:
[ "Felis silvestris", "Neofelis nebulosa", "Lynx canadensis" ]
A
aqua_train
aqua_train_24654
If 7/6 of a pencil is purple, 4/3 of the remaining is black and the remaining 1/2 is blue, what is the total length of the pencil?
[ "A)5", "B)3", "C)1", "D)4", "E)2" ]
B
aqua_train
aqua_train_44776
What is the area of square field whose side of length 25 m?
[ "A)225 sq m", "B)186 sq m", "C)586 sq m", "D)287 sq m", "E)625 sq m" ]
E
sciq
sciq_4
What is the largest part of the brain?
[ "temporal lobe", "hypothalamus", "pituitary gland", "cerebrum" ]
D
aqua_train
aqua_train_37935
Which smallest prime number is:
[ "A)22", "B)28", "C)32", "D)42", "E)19" ]
E
sciq
sciq_4
What is the term for a sac filled with fluid or other material?
[ "blister", "lesion", "tumor", "cyst" ]
D
sciq
sciq_4
What is the sum of all biochemical reactions in cells called?
[ "respiration", "diffusion", "evolution", "metabolism" ]
D
aqua_train
aqua_train_25591
There are 2 bars of copper-nickel alloy. One bar has 2 parts of copper to 5 parts of nickel. The other has 3 parts of copper to 5 parts of nickel. If both bars are melted together to get a 20 kg bar with the final copper to nickel ratio of 5:11. What was the weight of the first bar?
[ "A)1 kg", "B)4 kg", "C)6 kg", "D)14 kg", "E)16 kg" ]
D
aqua_train
aqua_train_93329
Monica planned her birthday party. She prepared 5 muffins for each of her guests and kept aside two additional muffins in case someone will want extra. After the party, it turned out that one of the guests didn't come but every one of the guests that did come ate six muffins and 4 muffins remained. How many guests did ...
[ "A)3.", "B)5.", "C)4.", "D)6.", "E)7." ]
C
aqua_train
aqua_train_94871
A dice has one of the first 10 prime number on each its six sides ,with no two sides having the same number .the dice is rolled 8 times and the results added.the addition is most likely to be closet to
[ "A)100", "B)120", "C)103", "D)105", "E)70" ]
C
aqua_train
aqua_train_52463
A rectangular block 10cm by 20cm by 30cm is cut into an exact number of equal cubes. Find the least possible number of cubes?
[ "A)6", "B)10", "C)15", "D)40", "E)22" ]
A
aqua_train
aqua_train_22607
A certain elevator has a safe weight limit of 2,500 pounds. What is the greatest possible number of people who can safely ride on the elevator at one time with the average (arithmetic mean) weight of half the riders being 200 pounds and the average weight of the others being 230 pounds?
[ "A)7", "B)8", "C)9", "D)10", "E)11" ]
E
science_train
science_train_667
Question: Which of the following fossils is older? Select the more likely answer. Hints:
[ "mammal tooth", "ginkgo leaf" ]
A
aqua_train
aqua_train_34979
In a garden man has to pick some flowers ans has to pass thru 3 doors. Each door has a guard. Man has to give half of the flowers he had to the guard and in return guard returns the man him one flower back. how many flower should man pick so that at the end he is left with same number of flowers he has picked?
[ "A)1", "B)2", "C)3", "D)4", "E)5" ]
B
aqua_train
aqua_train_74305
1,5,6 ,25, 26,30,31, 125,126,130,131,150,151,155,156,……… What is the value of 33rd term in the given series
[ "A)3124", "B)3125", "C)3126", "D)3127", "E)3128" ]
C
aqua_train
aqua_train_51589
For a certain exam,a score of 86 was 7 standard deviations below mean and a score of 90 was 3 standard deviations above mean.What was the mean score for the exam?
[ "A)86.25", "B)84", "C)85", "D)88.8", "E)80" ]
D