Question

what digit should be paced in of H in 78423928H9 so as make it divisible by 9
options
3
2
4
7

Answer 1

Answer:

2

Step-by-step explanation:

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Answer 2

Concept

If sum of all digits of a number is divisible by 9 then number is divisible by 9.

Given Number

78423928H9

Adding all digits

7 + 8 + 4 + 2 + 3 + 9 + 2 + 8 + H + 9

52 + H

So, to make number divisible by 9.

52 + H must be divisible by 9.

52 + H is divisible by 9.

Using hit and trial, we get value of H = 2.

Answer

So, answer is H = 2.

Verification

54 is divisible by 9. Hence, answer is correct.

Thank you.