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    Question

    In container P, there is 60 litres of milk and in

    container Q there is 40 litres of water. 40% of milk and 50% of water is taken out from the respective containers and are mixed in container R. How much water should be added to container R such that the ratio of milk to water becomes 3:5? MT
    A 9 litres Correct Answer Incorrect Answer
    B 16 litres Correct Answer Incorrect Answer
    C 15 litres Correct Answer Incorrect Answer
    D 11 litres Correct Answer Incorrect Answer
    E 20 litres Correct Answer Incorrect Answer

    Solution

    Quantity of milk in container R = 0.40 × 60 = 24 litres Quantity of water in container R = 0.50 × 40 = 20 litres Let x litres of water is added to the container R. According to the question, 24/(20 + x) = 3/5 Or, 120 = 60 + 3x Or, 3x = 60 Or, x = 20 Therefore, water added to container R = 20 litres

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