Multiple Choice Questions on If x and y are the two digits of the number 653xy such that this number is divisible by 80 then x y ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

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

Quantitative Aptitude ( CCS) Number System
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    If x and y are the two digits of the number 653xy such that this number is divisible by 80, then x+y is equal to  ?

    5

    Incorrect Answer

    4

    Incorrect Answer

    3

    Incorrect Answer

    2

    Correct Answer
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    Explanation:

    Since 653xy is divisible by 5 as well as 2, so y = 0.
    Now, 653x0 must be divisible by 8.
    So, 3x0 must be divisible by 8. This happens when x = 2
    x + y = (2 + 0) = 2.

    Hence, option 4 is the correct answer.

    By: MIRZA SADDAM HUSSAIN
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