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    Question

    A mixture has milk and water in ratio 7:3. If 5 liters

    of water is added, ratio becomes 7:4. Find quantity of milk.
    A 42 liters Correct Answer Incorrect Answer
    B 35 liters Correct Answer Incorrect Answer
    C 28 liters Correct Answer Incorrect Answer
    D 32 liters Correct Answer Incorrect Answer

    Solution

    ATQ,

    Initially: milk = 7x, water = 3x After adding 5: water = 3x + 5 New ratio: 7x : (3x+5) = 7:4 Cross-multiply: 28x = 21x + 35 → 7x = 35 → x = 5 Milk = 7x = 35 liters

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