Question

    Find the mean proportion of 8.4 and 18.9.

    A 25.2 Correct Answer Incorrect Answer
    B 18.4 Correct Answer Incorrect Answer
    C 12.6 Correct Answer Incorrect Answer
    D 16.8 Correct Answer Incorrect Answer

    Solution

    Mean proportion of 'a' and 'b' = √ab So, required mean proportion = √(8.4 X 18.9) = √(7 X 4 X 0.3 X 7 X 0.3 X 3 X 3) = 7 X 2 X 3 X 0.3 = 12.6

    Practice Next

    Relevant for Exams: