Question

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:

Options:
A .  553681
B .  555181
C .  555681
D .  556581
Answer: Option C

987 = 3 x 7 x 47


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


553681 A Boy Multiplied 987 By A Certain Number And Obtained 559981... (Sum of digits = 28, not divisible by 3)


555181 A Boy Multiplied 987 By A Certain Number And Obtained 559981... (Sum of digits = 25, not divisible by 3)


555681 is divisible by 3, 7, 47.

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