A

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Q. Suppose a number 381A is divisible by 9, then what is the value of A?

  • (A) 6
  • (B) 3
  • (C) 1
  • (D) 8
  • Correct Answer - Option(A)
  • Views: 18
  • Filed under category Math
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Explanation by: Admin

A number is divisible by 9 if the sum of its digits is divisible by 9, e.g., 117. So, we have the number 381A.

Hence, 3 + 8 + 1 + A = multiple of 9

If we put A = 6, then we get

3 + 8 + 1 + 6 = 18 (which is a multiple of 9)

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