51. Find the least 6-digit number which is exactly divisible by 349 ?
52. The value of 52 + 62 + .... + 102 + 202 is :
53. A number when divided by 3 leaves a remainder 1. When the quotient is divided by 2, it leaves a remainder 1. What will be the remainder when numbers is divided by 6 ?
54. In a division sum, the divisor is 12 times the quotient and 5 times the remainder. If the remainder is 48, then the dividend is :
55. 111, 111, 111, 111 is divisible by :
56. If m and n are natural numbers such that 2m - 2n = 960, what is the value of m ?
57. If m and n are integers divisible by 5, which of the following is not necessarily true ?
58. A number when divided by 136 leaves remainder 36. If the same number is divided by 17, the remainder will be :
59. 136 × 12 × 8 = ?
60. The number of digits in the smallest number, which when multiplied by 7 yields all nines, is :
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