Question

    Find the mean proportional of 2.56 and 8.41.

    A 12.85 Correct Answer Incorrect Answer
    B 4.64 Correct Answer Incorrect Answer
    C 6.63 Correct Answer Incorrect Answer
    D None of the above Correct Answer Incorrect Answer

    Solution

    Mean proportional of two numbers 'a' and 'b' = √(ab)

    Required mean proportional = √(2.56 x 8.41) = 1.6 x 2.9 = 4.64

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