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    Question

    There is 125 litres of mixture of milk and water in a

    jar. The ratio of quantity of milk to water in the jar is 4:3, respectively. If ‘x’ litres of mixture is taken out from the jar then the difference between quantity of milk and water left in the jar is 15 litres. Find the value of ‘x’
    A 21 Correct Answer Incorrect Answer
    B 23 Correct Answer Incorrect Answer
    C 25 Correct Answer Incorrect Answer
    D 26 Correct Answer Incorrect Answer
    E 20 Correct Answer Incorrect Answer

    Solution

    Let the quantity of milk and water left in the jar be 4a litres and 3a litres, respectively According to the question, 4a – 3a = 15 => a = 15 Therefore, quantity of mixture left in the jar = 4a + 3a = 7a = 105 litres Therefore, quantity of mixture taken out = 125 – 105 = 20 litres => x = 20

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