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    Question

    640 litres of mixture β€˜A’ contains milk and water in

    it. If mixture β€˜A’ is mixed with 560 litres of mixture β€˜B’ which contains water and salt, then the ratio of quantity of milk, water and salt in the final mixture will be 1:8:3, respectively. Find the difference between quantity of water in mixture β€˜A’ and mixture β€˜B’.
    A 240 litres Correct Answer Incorrect Answer
    B 220 litres Correct Answer Incorrect Answer
    C 200 litres Correct Answer Incorrect Answer
    D 250 litres Correct Answer Incorrect Answer
    E 280 litres Correct Answer Incorrect Answer

    Solution

    Total quantity of mixture = 640 + 560 = 1200 litres Quantity of milk in final mixture = (1/12) Γ— 1200 = 100 litres Quantity of water in mixture β€˜A’ = 640 βˆ’ 100 = 540 litres Quantity of salt in mixture β€˜B’ = (3/12) Γ— 1200 = 300 litres Quantity of water in mixture β€˜B’ = 560 βˆ’ 300 = 260 litres Required difference = 540 βˆ’ 260 = 280 litres

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