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

  1. The greatest number of four digits which is divisible by 15, 25, 40 and 75 is:

    2. A.

    9000
    B.

    9400
    C.

    9600
    D.

    9800

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    Answer : Option C

    Explanation :

    Greatest number of 4-digits is 9999.

     

    L.C.M. of 15, 25, 40 and 75 is 600.

     

    On dividing 9999 by 600, the remainder is 399.

     

     Required number (9999 - 399) = 9600.

     

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