51. The digit in the unit's place of the product (2464)1793 × (615)317 × (131)491 is :
52. 1234 + 2345 - 3456 + 4567 = ?
53. (461 + 462 + 463 + 464) is divisible by :
54. Find the product of all odd natural numbers less than 5000.
55. 38649 - 1624 - 4483 = ?
56. The largest natural number, which exactly divides the product of any four consecutive natural numbers, is :
57. If B > A, then which expression will have the highest value (given that A and B are positive integers)
58. Consider the following statements for the sequence of numbers given below :
11, 111, 1111, 11111, .....
1. Each number can be expressed in the form (4m + 3), where m is a natural number.
2. Some numbers are squares.
Which of the above statements is/are correct ?
11, 111, 1111, 11111, .....
1. Each number can be expressed in the form (4m + 3), where m is a natural number.
2. Some numbers are squares.
Which of the above statements is/are correct ?
59. 74844 ÷ ? = 54 × 63
60. In the following sum, '?' stands for which digit :
? + 1? + 2? + ?3 + ?1 = 21?
? + 1? + 2? + ?3 + ?1 = 21?
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