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If 381A is divisible by 9 find the value of the...

This question belongs to Arithmetic Ability Number System
Number System
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If 381A is divisible by 9, find the value of the smallest natural number A?

Answer & Solution
Correct Answer: Option E
A number is divisible by 9 when the sum of its digit is divisible by 9
So, (3 + 8 + 1 + A) = must be divisible by 9
Thus, smallest natural number be 6
Or, (3 + 8 + 1 + 6) = 18, this is divisible by 9
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