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Discussion :: Percentage

  1. A student who secures 20 % marks in an examination fails by 30 marks. Another student who secures 32 % marks gets 42 marks more than those required to pass. The percentage of marks required to pass is:
    2. A.
    20%
    B.
    25 %
    C.
    28%
    D.
    30%

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    Answer : Option B

    Explanation :

    20 % of x + 30 = 32 % of x “ 42 


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