If the number 653ab is divisible by 90, then (a + b) = ?
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Find the last 2 digit of 7^85 (Using Euler Theorem)
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2
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What least number must be subtracted from 427398 so that the remaining number is divisible by 15?
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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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(935421 x 625) = ?
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5
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The Unit digit in the product (784 X 618 X 917 X463)
Solution4 X 8 X 7 X 3 |
6
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The smallest value of n, for which 2n+1 is not a prime number, is
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7
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{(476 + 424)^2 - 4 X 476 X 424}
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8
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A number is divided by 221, the remainder is 64. If the number be divided by 13 then the remainder will be
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9
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If (64)2 - (36)2 = 20 x a, then a = ?
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10
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A boy multiplied 987 by a certain number and obtained 559981 as his answer. If in the answer both 98 are wrong and the other digits are correct , then the correct answer would be :
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