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    Question

    The mean proportional of 6 and 24 is

    _____.
    A 10 Correct Answer Incorrect Answer
    B 14 Correct Answer Incorrect Answer
    C 8 Correct Answer Incorrect Answer
    D 12 Correct Answer Incorrect Answer

    Solution

    We know that, Mean proportion of 'a' and 'b' = √(a × b)
    So, Mean proportion = √(6 × 24) = √144 = 12

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