76. The least mu1tiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is :

A.74

B.94

C.184

D.364

77. The least number, which when divided by 48, 60, 72, 108 and 140 leaves 38, 50, 62, 98 and 130 as remainders respectively, is :

A.11115

B.15110

C.15120

D.15210

78. Find the least multiple of 23, which when divided by 18, 21 and 24 leaves remainders 7, 10 and 13 respectively

A.3002

B.3013

C.3024

D.3036

79. The least number, which when divided by 5, 6, 7 and 8 leaves 18, 21 and 24 leaves remainders 7,10 and 13 respectively

A.1677

B.1683

C.2523

D.3363

80. Find the least number which when divided by 16, 18 20 and 25 leaves 4 as remainder in each case, but when divided by 7 leaves no remainder.

A.17004

B.18000

C.18002

D.18004

81. Six bells commence tolling together and toll at intervals of 2,4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ?

A.4

B.10

C.15

D.16

83. 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 sane point. After what time will they meet again at the starting point ?

A.26 minutes 18 seconds

B.42 minutes 36 seconds

C.45 minutes

D.46 minutes 12 seconds

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