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    Question

    If the mean proportion of 6.25 and 0.64 is 'k', then

    find the value of '2k'.
    A 2 Correct Answer Incorrect Answer
    B 3 Correct Answer Incorrect Answer
    C 4 Correct Answer Incorrect Answer
    D 5 Correct Answer Incorrect Answer

    Solution

    k = √(6.25 × 0.64) = √4 = 2
    Required value = 2 × 2 = 4

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