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    Question

    In mixture ‘M’, the ratio of milk to water is 6:5. In

    another mixture ‘N’, the ratio is 4:7. If 110 litres of ‘M’ and 77 litres of ‘N’ are combined, find the ratio of milk to water in the final mixture.
    A 12:53 Correct Answer Incorrect Answer
    B 8:9 Correct Answer Incorrect Answer
    C 11:52 Correct Answer Incorrect Answer
    D 100:53 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Quantity of milk in ‘M’ = (6/11) × 110 = 60 litres

    Quantity of water in ‘M’ = (5/11) × 110 = 50 litres

    Quantity of milk in ‘N’ = (4/11) × 77 = 28 litres

    Quantity of water in ‘N’ = (7/11) × 77 = 49 litres

    Required ratio = (60 + 28) : (50 + 49) = 88:99 = 8:9

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