Steve multiplies 987 a certain number and obtained 559981 as his answer. He finds that in the answer both 8 and 9 are wrong and the other digits are correct. Which one of the following options is correct ?

(A) 555681

(B) 555181

(C) 551281

(D) 553681

(E) none of these

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Solution

Answer: C) 555681

Explanation:
987 = 3 * 7 * 47.
So, the required number must be divisible by each one of 3, 7, 47
553681 => (Sum of digits = 28, not divisible by 3)
555181 => (Sum of digits = 25, not divisible by 3)
555681 is divisible by each one of 3, 7, 47.

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Steve multiplies 987 a certain number and obtained 559981 as his answer. He finds that in the answer both 8 and 9 are wrong and the other digits are correct. Which one of the following options is correct ? (A) 555681 (B) 555181 (C) 551281 (D) 553681 (E) none of these

Answer: C) 555681 Explanation: 987 = 3 * 7 * 47. So, the required number must be divisible by each one of 3, 7, 47 553681 => (Sum of digits = 28, not divisible by 3) 555181 => (Sum of digits = 25, not divisible by 3) 555681 is divisible by each one of 3, 7, 47.

Steve multiplies 987 a certain number and obtained 559981 as his answer. He finds that in the answer both 8 and 9 are wrong and the other digits are correct. Which one of the following options is correct ?

(A) 555681

(B) 555181

(C) 551281

(D) 553681

(E) none of these

Answer: C) 555681

Explanation:
987 = 3 * 7 * 47.
So, the required number must be divisible by each one of 3, 7, 47
553681 => (Sum of digits = 28, not divisible by 3)
555181 => (Sum of digits = 25, not divisible by 3)
555681 is divisible by each one of 3, 7, 47.