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    Question

    The ratio of quantity of milk and water in a 300 litres

    mixture is 6:4, respectively. On removing 'M' litres of mixture the difference between the quantities of milk and water becomes 50 litres. Find the value of 'M'.
    A 42 Correct Answer Incorrect Answer
    B 70 Correct Answer Incorrect Answer
    C 50 Correct Answer Incorrect Answer
    D 35 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, After removing 'M' litres of mixture, let quantity of milk and water left be 6x litres and 4x litres, respectively. According to the question, 6x - 4x = 50 Or, 2x = 50 Or, 'x' = 50 / 2 = 25 Therefore, after removal of 'M' litres of mixture, quantity of mixture left = 6x + 4x = 10x = 10 × 25 = 250 litres Therefore, 'M' = 300 - 250 = 50

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