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Home » GAT Subject » Mathematics » Aptitude Test - 17
1.There are four prime numbers written in ascending order of magnitude. The product of the first three is 385 and of the last three is 1001. Find the fourth number?
A. 5
B. 7
C. 11
D. 5
2.There are four prime numbers written in ascending order of magnitude. The product of the first three is 7429 and of the last three is 12673. Find the fourth number?
A. 17
B. 29
C. 23
D. 17
3.How many minimum number’s of whole square slabs are required for paving the floor 12.96 meters long and 3.84 meters side?
A. 216
B. 192
C. 108
D. 216
4.A room is 4 meters 37 cm long and 3 meters 23cm broaIt is required to pave the floor with minimum square slabs. Find the number of slabs required for this purpose?
A. 485
B. 431
C. 391
D. 485
5.Find the size of the largest square slabs which can be paved on the floor of a room 5 meters 44 cm long and 3 meters 74 cm broad?
A. 56
B. 42
C. 38
D. 56
6.A wholesale tea dealer 408 kilograms, 468 kilograms and 516 kilograms of three different qualities of teHe wants it all to be packed into boxes of equal size without mixing. Find the capacity of the largest possible box?
A. 50
B. 36
C. 24
D. 50
7.A merchant has three different types of milk: 435 liters, 493 liters and 551 liters. Find the least number of casks of equal size required to store all the milk without mixing.
A. 51
B. 61
C. 47
D. 51
8.Find the greatest number which is such that when 697, 909 and 1227 are divided by it, the remainders are all the same?
A. 53
B. 112
C. 108
D. 53
9.Find the greatest number which will divide 25, 73 and 97 as so to leave the same remainder in each case?
A. 12
B. 18
C. 24
D. 12
10.An officer was appointed on maximum daily wages on contract money of Rs. 4956. But on being absent for some days, he was paid only Rs. 3894. For how many days was he absent?
A. 3
B. 4
C. 5
D. 3
11.A man was employed on the promise that he will be paid the highest wages per day. The contract money to be paid was Rs. 1189. Finally he was paid only Rs. 1073. For how many days did he actually work?
A. 39
B. 40
C. 37
D. 39
12.In finding the HCF of two numbers, the last divisor was 41 and the successive quotients, starting from the first, where 2, 4 and 2. The numbers are______?
A. 700,400
B. 820,360
C. 800,500
D. 700,400
13.Least perfect square number, exactly divisible by 21, 36 and 56 is__?
A. 3600
B. 504
C. 441
D. 3600
14.HCF and LCM two numbers are 12 and 396 respectively. If one of the numbers is 36, then the other number is___?
A. 36
B. 66
C. 132
D. 36
15.Five bells first begin to toll together and then at intervals of 5, 10, 15, 20 and 25 seconds respectively. After what interval of time will they toll again together?
A. 5 min
B. 5.5 min
C. 5.2 min
D. 5 min
16.Find the least number of five digits which is exactly divisible by 12, 15 and 18?
A. 1080
B. 10080
C. 10025
D. 1080
17.The smallest number which when divided by 20, 25, 35 and 40 leaves a remainder of 14, 19, 29 and 34 respectively is___?
A. 1994
B. 1494
C. 1349
D. 1994
18.A heap of coconuts is divided into groups of 2, 3 and 5 and each time one coconut is left over. The least number of Coconuts in the heap is___?
A. 31
B. 41
C. 51
D. 31
19.The smallest number when increased by ” 1 ” is exactly divisible by 12, 18, 24, 32 and 40 is____?
A. 1439
B. 1440
C. 1459
D. 1439
20.The least number of five digits that have 144 their HCF is___?
A. 10085
B. 10080
C. 10075
D. 10085
21.The greatest number of four digits that have 144 for their HCF is___?
A. 9930
B. 9903
C. 9935
D. 9930
22.The least number of four digits which is divisible by 4, 6, 8 and 10 is___?
A. 1080
B. 1085
C. 1075
D. 1080
23.The greatest number of five digits which is divisible by 32, 36, 40, 42 and 48 is____?
A. 90730
B. 90725
C. 90715
D. 90730
24.The product of two digits number is 2160 and their HCF is 12. The numbers are____?
A. (36,60)
B. -12,180
C. (96,25)
D. (36,60)
25.Four bells begin to toll together respectively at the intervals of 8, 10, 12 and 16 seconds. After how many seconds will they toll together again?
A. 246 seconds
B. 242 seconds
C. 240 seconds
D. 246 seconds
26.The least number which when diminished by 7 is divisible by 21, 28, 36 and 45 is___?
A. 1267
B. 1265
C. 1261
D. 1267
27.The least number which when add 3 to it, completely divided 8, 12 and 18 is___?
A. 71
B. 70
C. 69
D. 71
28.The least number which when divided by 8, 12 and 16, leave in each remainder 3, is___?
A. 71
B. 70
C. 69
D. 71
29.The least square number which divides 8, 12 and 18 is____?
A. 100
B. 121
C. 64
D. 100
30.The least number which when divided by 16, 18 and 21, leave the remainder 3, 5 and 8 respectively is___?
A. 982
B. 893
C. 1024
D. 982
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