Menu
Home / Arithmetic Aptitude / Numbers :: Discussion

Discussion :: Numbers


  1.     
    If x and y are the two digits of the number 653xy such that this number is divisible by 80, then x + y = ?

    2. A.

    2 or 6
    B.

    4
    C.

    4 or 8
    D.

    8
    E.

    None of these

    View Answer

    Workspace

    View Answer

    Answer : Option A

    Explanation :

    80 = 2 x 5 x 8

    Since 653xy is divisible by 2 and 5 both, so y = 0.

    Now, 653x is divisible by 8, so 13x should be divisible by 8.

    This happens when x = 6.

    x + y = (6 + 0) = 6.

Write your comments here:

Be The First To Comment