61. 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) 8
62. The greatest number which can divide 1536, 1868 and 2764 leaving the same remainder 12 in each case, is:
a) 64 b) 124
c) 156 d) 260
63. The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively is:
a) 123 b) 127
b) 235 d) 305
64. Which of the following fractions is the largest?
a) 7/8 b) 13/16
c) 31/40 d) 63 / 80
65. What will be the number which when doubled will be exactly divisible by 12, 19, 21 and 30?
