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

  1. Find the highest common factor of 36 and 84.
    2. A.

    4
    B.

    6
    C.

    12
    D.

    18

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    Answer : Option C

    Explanation :

    36 = 22 x 32

    84 = 22 x 3 x 7

     H.C.F. = 22 x 3 = 12.

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