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    Question

    100 litres of a mixture contains 40% milk and rest

    water. If тАШxтАЩ litres of milk is added into the mixture then quantity of water in the final mixture becomes 25% of total quantity of mixture. Find the value of тАШxтАЩ.
    A 120 Correct Answer Incorrect Answer
    B 130 Correct Answer Incorrect Answer
    C 140 Correct Answer Incorrect Answer
    D 150 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Quantity of milk in the initial mixture = 100 ├Ч 0.40 = 40 litres Quantity of water in the initial mixture = 100 тАУ 40 = 60 litres Quantity of water is unchanged in the final mixture. So, Quantity of final mixture = (60/25) ├Ч 100 = 240 litres Quantity of milk in final mixture = 240 тАУ 60 = 180 litres Value of тАШxтАЩ = 180 тАУ 40 = 140

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