The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is:
3/5
3/10
4/5
4/3
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1
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It is being given that (232 + 1) is completely divisible by a whole number. Which of the following numbers is completely divisible by this number?
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2
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(12)3 x 64 ÷ 432 = ?
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3
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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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4
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If -1 ≤ a ≤ 2 and 1 ≤ b ≤ 3, then least possible value of (2a – 3b) is:
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5
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The smallest 3 digit prime number is:
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6
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What is the unit digit { (6374)^1793 X (625)^317 X (341)^491 }
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7
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If x and y are the two digits of the number 653xy such that this number is divisible by 80, then x + y = ?
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8
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(?) + 3699 + 1985 - 2047 = 31111
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9
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The largest natural number which exactly divides the product of any four consecutive natural numbers is:
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10
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(935421 x 625) = ?
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