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

  1. Find the lowest common multiple of 24, 36 and 40.

    2. A.

    120
    B.

    240
    C.
    360
    D.

    480

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    Answer : Option C

    Explanation : 

    2 | 24  -  36  - 40
 --------------------
 2 | 12  -  18  - 20
 --------------------
 2 |  6  -   9  - 10
 -------------------
 3 |  3  -   9  -  5
 -------------------
   |  1  -   3  -  5
   
L.C.M.  = 2 x 2 x 2 x 3 x 3 x 5 = 360.

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