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    Question

    If the mean proportion of 1.44 and 2.25 is 'k', then find

    the value of '5k'.
    A 8.5 Correct Answer Incorrect Answer
    B 9 Correct Answer Incorrect Answer
    C 9.2 Correct Answer Incorrect Answer
    D 9.5 Correct Answer Incorrect Answer

    Solution

    k = √(1.44 × 2.25) = √3.24 = 1.8
    Required value = 5 × 1.8 = 9

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