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    Question

    When x it subtracted from each of 25, 32, 59 and 80, the

    numbers so obtained, in this order, are proportional. What is the mean proportional between (3x + 1) and (5x – 4)?
    A 30 Correct Answer Incorrect Answer
    B 20 Correct Answer Incorrect Answer
    C 15 Correct Answer Incorrect Answer
    D 18 Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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