What least number must be added to 1056, so that the sum is completely divisible by 23 ?
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What is the unit digit in (4137) ⁷⁵⁴?
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2
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Find the last unit digit of 55^5 ( Using Euler Theorem)
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3
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The Unit digit in the product (784 X 618 X 917 X463)
Solution4 X 8 X 7 X 3 |
4
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A girl multiplies 987 by a certain number and obtains 559981 as her answer. If in the answer, both 9’s are wrong but the other digits are correct, then the correct answer will be
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5
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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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6
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3897 X 999
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7
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1397 x 1397 = ?
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8
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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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9
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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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10
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If the number 653ab is divisible by 90, then (a + b) = ?
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