If 5432*7 is divisible by 9, then the digit in place of

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If 5432*7 is divisible by 9, then the digit in place of * is :

1. 0
2. 1
3. 6
4. 9

Correct Option: C

A number is divisible by 9, if sum of its digits is divisible by 9.
Let the number be p.
⇒ 5 + 4 + 3 + 2 + p + 7
⇒ 21 + p
⇒ 21 + 6 = 27, which is divisible by 9.
∴ p = 6
Therefore , the digit in place of * is 6 .