CSS General Abilities Topic 1 Basic Arithmetic With Answers

CSS General Abilities Topic 1 Basic Arithmetic

Sr. # Questions Answers Choice
1 Find the least number of five digits which when divided by 12, 16, 21, 36 and 40 leaves in each case a remainder 8. 10088 10072 10080 None of these
2 The least perfect square number which is divisible by 3,4,5,6 and 8: 900 1200 2500 3600
3 A wholesale tea dealer has 408 kilograms, 468 kilograms and 516 kilograms of three different qualities of tea He wants it all to be packed into boxes of equal size without mixing. Find the capacity of the largest possible box. 50 36 24 12
4 Find the greatest number of four digits which when divided by 10, 15, 21 and 28 leaves 4,9,15 and 22 as remainders, respectively. 9654 9666 9664 9864
5 Find the side of the largest square slabs which can be paved on the floor of a room 5 metres 44 cm long and 3 metres 74 cm broad. 56 42 38 34
6 Find the greatest number that will divide 964, 1238 and 1400 leaving remainders 41, 31 and 51, respectively. 71 81 61 73
7 How often will five bells toll together in one hour if they start together and toll at intervals of 5, 6, 8, 12, 20 seconds, respectively ? 29 30 31 120
8 Find the greatest number which will divide 25, 73 and 97 so as to leave the same remainder in each case. 12 18 24 32
9 The H.C.F. of two numbers is 12 and their difference is 12. The numbers are: 66, 78 70, 82 94, 106 84, 96
10 Find the greatest number which will divide 2112 and 2792 leaving the remainder 4 in each case. 78 68 65 63
11 What is the H.C.F. of 4/9, 10/21 and 20/63 ? 4/189 6/63 2/63 None of these
12 What is the greatest number which divides 852, 1065 and 1491 exactly ? 193 183 223 213
13 What is the L.C.M. of 25,30,35 and 40 ? 3800 4200 4400 None of these
14 Determine the L.C.M. of 2/5, 3/10 and 6/25. 6/5 11/5 9/5 None of these
15 What is the H.C.F. of 27, 18 and 36 ? 7 11 9 None of these
16 Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number. 20 10 3 17
17 If r = -2, then r4 + 2r3 + 3r2 + r = ? -8 -4 0 10
18 The value of (2.3)3 - 0.027 / (2.3)2 + 0.69+0.09 is 2 3 2.327 2.273
19 5/8 of 24 is equal to 15/7 of what ? 15 8 7/222 7
20 The number of ways, in which 8064 can be resolved as the product of two factors, is 10 16 24 48
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