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    Question

    400 litres of mixture ‘A’ contains milk and water

    in it. If mixture ‘A’ is mixed with 500 litres of mixture ‘B’ which contains water and salt, then the ratio of quantity of milk, water and salt in the final mixture will be 3:8:4, respectively. Find the difference between quantity of water in mixture ‘A’ and mixture ‘B’.
    A 40 litres Correct Answer Incorrect Answer
    B 60 litres Correct Answer Incorrect Answer
    C 30 litres Correct Answer Incorrect Answer
    D 50 litres Correct Answer Incorrect Answer
    E 20 litres Correct Answer Incorrect Answer

    Solution

    Total quantity of mixture = 400 + 500 = 900 litres Quantity of milk in final mixture = (3/15) × 900 = 180 litres Quantity of water in mixture ‘A’ = 400 − 180 = 220 litres Quantity of salt in mixture ‘B’ = (4/15) × 900 = 240 litres Quantity of water in mixture ‘B’ = 500 − 240 = 260 litres Required difference = 260 − 220 = 40 litres

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