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Discussion :: Percentage

  1. In 50 gm alloy of gold and silver the gold is 80 % by weight. How much gold should be mixed with this alloy so that the weight of gold would become 95 %?
    2. A.
    200 gm
    B.
    150 gm
    C.
    50 gm
    D.
    10 gm

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    Answer : Option B

    Explanation :

    In 50 gm alloy, gold = (80/100 ×50)gm = 40 gm 


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