• Numerical Ability - Number System
Question
If the number 517 * 324 is completely divisible by 3, then the smallest whole number in place of * will be :
  • A) 0
  • B) 1
  • C) 2
  • D) Data inadequate
  • E) None of these
Solution

Answer: Option C

Explanation:

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

  x = 2.

Answer: Option C

Explanation:

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

  x = 2.
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