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Discussion :: Problems on H.C.F and L.C.M

  1. The smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 is:

    2. A.

    1008
    B.

    1015
    C.

    1022
    D.

    1032

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    Answer : Option B

    Explanation :

    Required number = (L.C.M. of 12,16, 18, 21, 28) + 7

     

       = 1008 + 7

       = 1015

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