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    Question

    A mixture contains 60 ml water and rest ‘x’ ml milk.

    When 0.4x ml of water is added, the water becomes 1/3rd of the mixture. Find the value of ‘x’.
    A 600 Correct Answer Incorrect Answer
    B 500 Correct Answer Incorrect Answer
    C 480 Correct Answer Incorrect Answer
    D 700 Correct Answer Incorrect Answer
    E 540 Correct Answer Incorrect Answer

    Solution

    According to the question,
    Quantity of water after addition of 0.4x ml water = (60 + 0.4x)
    Total quantity of the mixture = 60 + 0.4x + x = (60 + 1.4x)
    Therefore,
    (1/3)(60 + 1.4x) = (60 + 0.4x)
    Or, 60 + 1.4x = 180 + 1.2x
    Or, 0.2x = 120
    Or, x = 600

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