[555681] A boy multiplied 987 by a certain number and obtained 559981 as his answer. If in the answer both 9

For Competitive Exams

A boy multiplied 987 by a certain number and obtained 559981 as his answer. If in the answer both 9 are wrong and the other digits are correct, then the correct answer would be:

553681

555181

555681

556581

Explanation:

987 = 3 x 7 x 47

So, the required number must be divisible by each one of 3, 7, 47

553681 $\rightarrow$ Sum of digits = 28, not divisible by 3

555181 $\rightarrow$ Sum of digits = 25, not divisible by 3

555681 is divisible by 3, 7, 47.

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