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    Question

    In a mixture of milk & water, 20 litres water is mixed

    due to which ratio changes from 5 : 4 to 1 : 4. Find initial quantity of mixture. (in litres)
    A 10.25 liters Correct Answer Incorrect Answer
    B 12.25 liters Correct Answer Incorrect Answer
    C 11.25 liters Correct Answer Incorrect Answer
    D 17.25 liters Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    let initial quantity of milk be 5x litres & water be 4x litres. ATQ, 5x/4x+ 20 = 1/4 20x = 4x + 20 ⇒ x = 1.25 Initial quantity of mixture = 5x + 4x = 11.25 liters

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