61. Let a number of three digits have for its middle digit the sum of the other two digits. Then it is a multiple of :
62. If n is a whole number greater than 1, then n2 (n2 - 1) is always divisible by :
63. The smallest 4-digit number exactly divisible by 7 is :
64. How many 3-digit numbers are completely divisible by 6 ?
65. The difference between two numbers is 1365. When the large number is divided by the smaller one, the quotient is 6 and the remainder is 15. What is the smaller number ?
66. (719 + 2) is divided by 6. The remainder is :
67. If the square of sum of three positive consecutive natural number exceeds the sum of their squares by 292, then what is the largest of the three number?
68. Two consecutive natural numbers are always . . . . . . . .
69. The least number that must be subtracted from 1294 so that the remaining number when divided by 9, 11, 13 will leave in each case the same remainder 6 is:
70. What least number must be subtracted from 210, so that the sum is completely divisible by 11?
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