A) (sum of digits of n is divisible by 9)\[\Rightarrow \](n is divisible by 9)
B) (sum of digits of n is not divisible by 9)\[\Rightarrow \](n is not divisible by 9)
C) (sum of digits of n is divisible by 9)\[\Rightarrow \](n is divisible by 9)
D) none of these
Correct Answer: B
Solution :
Its contro positive is 'sum of digits of n is not divisible by 9' \[\Rightarrow \]n is not divisible by 9You need to login to perform this action.
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