69. 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.33

70. The least number which is a perfect square and is divisible by each of the numbers 16, 20 and 24, is :

A.1600

B.3600

C.6400

D.14400

71. The smallest number which when diminished by 7, is divisible by 12 16, 18, 21 and 28 is :

A.1008

B.1015

C.1022

D.1032

72. The least number which when increased by 5 is divisible by each One of 24, 32, 36 and 54, is :

A.427

B.859

C.869

D.4320

73. 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.548

74. The largest four-digit number which when divided by 4, 7 or 13 leaves a remainder of 3 in each case, is :

A.8739

B.9831

C.9834

D.9893

75. Let the least number of six digits, which when divided by 4, 6, 10 and 15, leaves in each case the same remainder of 2, be N. The sum of the digits in N is :

A.3

B.4

C.5

D.6

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