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    Question

    A mixture contains liquid A and liquid B in the ratio of

    5:3, respectively. If 12L of liquid B is added to this mixture, the respective ratio of liquid A and liquid B becomes 2:3, what was the quantity of liquid B in the original mixture?
    A 8 L Correct Answer Incorrect Answer
    B 6 L Correct Answer Incorrect Answer
    C 12 L Correct Answer Incorrect Answer
    D 9 L Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let, quantity of liquid A and liquid B in the original mixture be тАШ5xтАЩ L and тАШ3xтАЩ L, respectivelyAccording to question, 5x/(3x + 12) = 2/3 15x = 6x + 24 9x = 24 x = 24/9 The quantity of liquid B in the original mixture = 3x = 24/9 = 8 L

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