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    Question

    A mixture of 512 ml contains milk and whey protein in

    the ratio of 9:7, respectively. When 'p' ml of whey protein and (p + 36) ml of milk are added to this mixture, the ratio of milk to whey protein becomes 4:3. Determine the value of 'p'.
    A 52 Correct Answer Incorrect Answer
    B 66 Correct Answer Incorrect Answer
    C 72 Correct Answer Incorrect Answer
    D 76 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, Quantity of milk in 512 ml of mixture = (9/16) × 512 = 288 ml Quantity of Whey protein in 512 ml of mixture = (7/16) × 512 = 224 ml According to question; (288 + p + 36)/(224 + p) = 4/3 Or, 972 + 3p = 4p + 896 Or, p = 76

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