If p and q are the two digits of the number 653pq such that this number is divisible by 80, then p+q is equal to :
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The digit in unit’s place of the product 71 × 72 × ..... × 79 is
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How many of the following numbers are divisible by 3 but not by 9. 4320, 2343, 3474, 4131, 5286, 5340, 6336, 7347, 8115, 9276
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Find the number of factors of 9321.
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Which one of the following numbers is exactly divisible by 11?
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107 x 107 + 93 x 93 = ?
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The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and the 15 as remainder. What is the smaller number ?
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If x is a whole number, then x²(x²  1) is always divisible by
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If the number 653ab is divisible by 90, then (a + b) = ?
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9
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The smallest value of n, for which 2n+1 is not a prime number, is
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10
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If 1 ≤ a ≤ 2 and 1 ≤ b ≤ 3, then least possible value of (2a – 3b) is:
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