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    Question

    400 litres of mixture X contains acetone and glycerine

    in the ratio 11:14, respectively. 100 litres of the mixture is withdrawn and labelled as mixture Y and 6 litres of acetone is added to it. Find the ratio of glycerine to acetone in mixture Y.
    A 56:51 Correct Answer Incorrect Answer
    B 40:39 Correct Answer Incorrect Answer
    C 45:41 Correct Answer Incorrect Answer
    D 28:25 Correct Answer Incorrect Answer
    E 56:53 Correct Answer Incorrect Answer

    Solution

    Quantity of acetone in mixture Y = 100 × 11/25 = 44 litres Quantity of glycerine in mixture Y = 100 – 44 = 56 litres After addition of 6 litres of acetone, New ratio of glycerine to acetone = 56:(44 + 6) = 28:25

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