If n is a natural number, then (6n2 + 6n) is always divisible by:
6 only
12 only
6 and 12 both
by 18 only
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(?) - 19657 - 33994 = 9999
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2
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The smallest value of n, for which 2n+1 is not a prime number, is
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3
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Which of the following number should be added to 11158 to make it exactly divisible by 77?
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4
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5
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6
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7
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8
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9
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What is the unit digit in {(6374)1793 x (625)317 x (341491)}?
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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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