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Arithmetic Aptitude :: All Aptitude Test ::

Home » GAT Subject » Arithmetic Aptitude » Aptitude Test - 10
1.Let N be the greatest number that will divide 1305, 4665 and 6905, leaving the same remainder in each case. Then sum of the digits in N is?
A. 4
B. 5
C. 6
D. 4
2.The greatest number of four digits which is divisible by 15, 25, 40 and 75 is?
A. 9000
B. 9400
C. 9600
D. 9000
3.The product of two numbers is 4107. If the H.C.F. of these numbers is 37, then the greater number is
A. 101
B. 107
C. 111
D. 101
4.Three number are in the ratio of 3 : 4 : 5 and their L.C.M. is 2400. Their H.C.F. is?
A. 40
B. 80
C. 120
D. 40
5.The G.C.D. of 1.08, 0.36 and 0.9 is?
A. 0.03
B. 0.9
C. 0.18
D. 0.03
6.The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is?
A. 1
B. 2
C. 3
D. 1
7.The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is?
A. 74
B. 94
C. 184
D. 74
8.Find the lowest common multiple of 24, 36 and 40.
A. 120
B. 240
C. 360
D. 120
9.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. 3
10.Solve given question:
A. 3/4
B. 5/13
C. 7/13
D. 3/4
11.The least number which when divided by 5, 6 , 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is?
A. 1677
B. 1683
C. 2523
D. 1677
12.A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and c in 198 seconds, all starting at the same point. After what time will they again at the starting point ?
A. 26 minutes and 18 seconds
B. 42 minutes and 36 seconds
C. 45 minutes
D. 26 minutes and 18 seconds
13.The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one of the numbers is 275, then the other is?
A. 279
B. 283
C. 308
D. 279
14.What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30 ?
A. 196
B. 630
C. 1260
D. 196
15.The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is?
A. 12
B. 16
C. 24
D. 12
16.The smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 is?
A. 1008
B. 1015
C. 1022
D. 1008
17.252 can be expressed as a product of primes as?
A. 2 x 2 x 3 x 3 x 7
B. 2 x 2 x 2 x 3 x 7
C. 3 x 3 x 3 x 3 x 7
D. 2 x 2 x 3 x 3 x 7
18.The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is?
A. 15 cm
B. 25 cm
C. 35 cm
D. 15 cm
19.Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is?
A. 75
B. 81
C. 85
D. 75
20.Which of the following fraction is the largest ?
A. ⅞
B. 13/16
C. 31/40
D. ⅞
21.The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 8 is?
A. 504
B. 536
C. 544
D. 504
22.The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is?
A. 123
B. 127
C. 235
D. 123
23.Which of the following has the most number of divisors?
A. 99
B. 101
C. 176
D. 99
24.The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is?
A. 28
B. 32
C. 40
D. 28
25.Solve given question:
A. 3/5
B. 252/5
C. 3/1400
D. 3/5
26.If the sum of two numbers is 55 and the H.C.F. and L.C.M. of these numbers are 5 and 120 respectively, then the sum of the reciprocals of the numbers is equal to?
A. 55 / 601
B. 601 / 55
C. 11 / 120
D. 55 / 601
27.Evaluate:

(2.39)2 - (1.61)2

2.39 - 1.61

A. 2
B. 4
C. 6
D. 2
28.What decimal of an hour is a second ?
A. .0025
B. .0256
C. .00027
D. .0025
29.
The value of (0.96)3 - (0.1)3 is:
(0.96)2 + 0.096 + (0.1)2
A. 0.86
B. 0.95
C. 0.97
D. 0.86
30.The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of the park (in sq. m) is:
A. 15360
B. 153600
C. 30720
D. 15360
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