If the number 517*324 is completely divisible by 3, then the smallest whole…

2026

If the number 517*324 is completely divisible by 3, then the smallest whole number in the place of * will be:

Answer: C. 2 — Divisibility rule of 3 says that sum of all digits of the given number must be divisible by 3. Sum of digits = (5 + 1 + 7 + x + 3 + 2 + 4) = (22 + x), which…

  1. A.

    0

  2. B.

    1

  3. C.

    2

  4. D.

    None of these

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Correct answer: C

Divisibility rule of 3 says that sum of all digits of the given number must be divisible by 3.

Sum of digits = (5 + 1 + 7 + x + 3 + 2 + 4) = (22 + x), which must be divisible by 3.

Therefore, x = 2.

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