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JEE Main & Advanced Sample Paper JEE Main Sample Paper-39

  • question_answer
    If a positive integer n is divisible by 9, then the sum of the digits of n is divisible by 9. So which statement is it contra positive.

    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 9


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