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
555681
545681
544581
555490
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1
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The largest natural number which exactly divides the product of any four consecutive natural numbers is:
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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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Find the number of factors of 9321.
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4
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(?) + 3699 + 1985 - 2047 = 31111
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5
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What is the unit digit { (6374)^1793 X (625)^317 X (341)^491 }
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6
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How many numbers between 190 and 580 are divisible by 4,5 and 6?
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7
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A six-digit number is formed by repeating a three-digit number; for example, 256256 or 678678 etc. Any number of this form is always exactly divisible by :
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8
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How many terms are there in 2, 4, 8, 16,..., 1024?
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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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(12)3 x 64 ÷ 432 = ?
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