A. 31
B. 41
C. 51
D. 61
Explanation:
LCM = 30 => 30 + 1 = 31
Related Mcqs:
- A heap of stones can be made up into groups of 21. When made up into groups of 16, 20, 25 and 45 there are 3 stones left in each case. How many stones at least can there be in the heap?
A. 7203
B. 2403
C. 3603
D. 4803 - Find the least number which when divided by 35 leaves remainder 25, when divided by 25 leaves remainder 15 and when divided by 15 leaves remainder 5?
A. 420
B. 515
C. 435
D. 518 - The least number which when add 3 to it, completely divided 8, 12 and 18 is_______?
A. 71
B. 70
C. 69
D. 68 - The least number which when divided by 8, 12 and 16, leave in each remainder 3, is_______?
A. 71
B. 70
C. 69
D. 51 - Find the least number which when divided by 6, 7, 8, 9 and 10 leaves 1, 2, 3, 4 and 5 as remainders respectively, but when divided by 19 leaves no remainder?
A. 5073
B. 5016
C. 5054
D. 5035 - 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. 995 - What is the least number which when divided by 8, 12, 18 and 24 leaves the remainders 4, 8, 14 and 20 respectively?
A. 78
B. 68
C. 58
D. None - Find the least number which when divide by 2, 3, 4, 5 and 6 leaves 1, 2, 3, 4 and 5 as remainders respectively, but when divided by 7 leaves no remainder?
A. 210
B. 119
C. 126
D. 154 - Find the least multiple of 13 which when divided by 6, 8 and 12 leaves 5, 7 and 11 as remainders respectively? A. 143 B. 169 C. 260 D. 221
A. 143
B. 169
C. 260
D. 221 - Groups each containing 3 boys are to be formed out of 5 boys. A, B, C, D and E such that no group can contain both C and D together. What is the maximum number of such different groups?
A. 5
B. 6
C. 7
D. 8
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