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    Question

    A container contains 120 lit of pure milk and P liters

    of water. Ratio of 25% of mixture to the initial quantity of water is 3 : 4 and when Q liters of water is added to it ratio of total mixture to water becomes 9 : 4. Then find the value of P + Q.
    A 96 Correct Answer Incorrect Answer
    B 90 Correct Answer Incorrect Answer
    C 95 Correct Answer Incorrect Answer
    D 93 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    (120 + P)/4P = 3/4
    120 + P = 3P
    P = 60 liters
    And, (120 + Q)/(180 + Q) = 4/9
    540 + 9Q = 720 + 4Q
    5Q = 180
    Q = 36 liters
    Required sum = 96 liters

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