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  1. Which one of the following numbers is completely divisible by 45?

    2. A.

    181560
    B.

    331145
    C.

    202860
    D.

    2033555
    E.

    None of these

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    Answer : Option C

    Explanation :

    45 = 5 x 9, where 5 and 9 are co-primes.

    Unit digit must be 0 or 5 and sum of digits must be divisible by 9.

    Among given numbers, such number is 202860.

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