If the number 653ab is divisible by 90, then (a + b) = ?
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#  Quiz 

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If the number 481 * 673 is completely divisible by 9, then the smallest whole number in place of * will be:
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A sixdigit number is formed by repeating a threedigit number; for example, 256256 or 678678 etc. Any number of this form is always exactly divisible by :
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What is the unit digit in (4137) ⁷⁵⁴?
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(112 X 5^4)
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The difference between the local value and the face value of 7 in the numeral 32675149 is
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Find the sum to 200 terms of the series 1 + 4 + 6 + 5 + 11 + 6 + ....
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7
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How many of the following numbers are divisible by 132 ? 264, 396, 462, 792, 968, 2178, 5184, 6336
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8
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What is the unit digit { (6374)^1793 X (625)^317 X (341)^491 }
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9
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What will be remainder when (67^{67} + 67) is divided by 68 ?
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10
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What should be the maximum value of Q in the following equation?
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