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Discussion :: Percentage

  1. Two numbers X and Y are respectively 20% and 28% less than a third number Z. By what percentage is the number Y less than that of the number X?
    2. A.
    8%
    B.
    9%
    C.
    10%
    D.
    11%

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    Answer : Option C

    Explanation :

    Here Z = 100, x =80 and y =72 


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