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    Question

    A mixture contains 80 ml water and rest ‘x’ ml milk.

    When 0.25x ml of water is added to the mixture, the quantity of water becomes 1/3rd of the mixture. Find the value of ‘x’.
    A 280 Correct Answer Incorrect Answer
    B 320 Correct Answer Incorrect Answer
    C 360 Correct Answer Incorrect Answer
    D 400 Correct Answer Incorrect Answer

    Solution

    According to the question,
    Quantity of water after addition of 0.25x ml water = (80 + 0.25x)
    Total quantity of the mixture = 80 + 0.25x + x = (80 + 1.25x)
    Therefore,
    (1/3)(80 + 1.25x) = (80 + 0.25x)
    Or, 80 + 1.25x = 240 + 0.75x
    Or, 0.5x = 160
    Or, x = 320

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