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    Question

    If the mean proportion of 1.44 and 4 is 'k', then find the

    value of '5k'.
    A 10.5 Correct Answer Incorrect Answer
    B 11.2 Correct Answer Incorrect Answer
    C 12 Correct Answer Incorrect Answer
    D 13.4 Correct Answer Incorrect Answer

    Solution

    k = √(1.44 Ɨ 4) = √5.76 = 2.4
    Required value = 5 Ɨ 2.4 = 12

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