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    Question

    type-ssc

    A vessel is full of 80-liter milk 16 liter is taken out

    and replaced by water, again 20-liter milk is taken out and replaced by water and again 10liter milk is taken out and replaced by water. the amount of milk left after the 3rd replacement is.
    A 24% Correct Answer Incorrect Answer
    B 36% Correct Answer Incorrect Answer
    C 39% Correct Answer Incorrect Answer
    D 42% Correct Answer Incorrect Answer

    Solution

    The amount of milk in replaced mixture. =80(1-16/80) (1-20/80) (1-10/80) =80× (64/80) × (60/80) × (70/80) =80 (4/5) (6/8) (7/8) =160/3 =42%

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