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  1. Which of the following numbers will completely divide (325 + 326 + 327 + 328) ?

    2. A.

    11
    B.

    16
    C.

    25
    D.

    30

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    Answer : Option D

    Explanation :

    (325 + 326 + 327 + 328) = 325 x (1 + 3 + 32 + 33) = 325 x 40

         = 324 x 3 x 4 x 10

         = (324 x 4 x 30), which is divisible by30.

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