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

Options :
  1. 2
  2. 1
  3. 0
  4. None of these


Answer and Explanation :-

Answer: Option 1

Explanation:

Sum of digits = (5 + 1 + 7 + x + 3 + 2 + 4) = (22 + x), which must be divisible by 3. When x = 2.[(22+2)=24 is divisible by 3] Answer is 2

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