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    Question

    Quantity of water in a 360 litres mixture (Milk +

    Water) is 40 litres less than the quantity of milk in it. Find the quantity of water to be mixed so that the quantity of milk in the mixture becomes 50% of the whole mixture.
    A 80 litres Correct Answer Incorrect Answer
    B 100 litres Correct Answer Incorrect Answer
    C 60 litres Correct Answer Incorrect Answer
    D 120 litres Correct Answer Incorrect Answer
    E 40 litres Correct Answer Incorrect Answer

    Solution

    Quantity of water in the mixture = {(360 - 40)/2} = 160 litres

    So, quantity of milk in the mixture = (360 - 160) = 200 litres

    Total quantity of the mixture if quantity of milk in the mixture becomes 50% = 200 × (100/50) = 400

    So, quantity of water needs to be mixed = (400 - 360) = 40 litres

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