4760 Â 0 Â is divisible by both 3 and 11. The non-zero digits in the hundreds and tens places are respectively:
- (a) 7 and 4
- (b) 7 and 5
- (c) 8 and 5
- (d) None of these
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If the number 972156 is completely divisible by 11, then the smallest whole number in place of * Â will be:
- (a) 3
- (b) 2
- (c) 1
- (d) 5
- (e) None of these
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((11^2 + 12^2 + 13^2 + … + 20^2) = ?
- (a) 385
- (b) 2485
- (c) 2870
- (d) 3255
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If the number 5*2 is divisible by 6, then * Â = ?
- (a) 2
- (b) 3
- (c) 6
- (d) 7
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Which of the following numbers will completely divide (49^15 – 1)?
- (a) 8
- (b) 14
- (c) 46
- (d) 50
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9+ ¾ +7+ 2/17 -(9+1/15) =?
- (a) 7 + 719/1020
- (b) 9 + 817/1020
- (c) 9 + 719 \ 1020
- (d)7 + 18/1020
- (e) None of these
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(1-1/n) + (1 – 2/n) + (1-1/n) … up to n  terms = ?
- (a) ½ n
- (b)½  (n-1)
- (c)½ (n-1)
- (d) None of these
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On dividing 2272 as well as 875 by 3-digit number N, we get the same remainder. The sum of the digits of N is:
- (a) 10
- (b) 11
- (c) 12
- (d)13
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A boy multiplied 987 by a certain number and obtained 559981 as his answer. If in the answer both 9s are wrong and the other digits are correct, then the correct answer would be:
- (a) 553681
- (b) 555181
- (c) 555681
- (d) 556581
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How many prime numbers are less than 50?
- (a) 16
- (b) 15
- (c) 14
- (d) 18
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