New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    Find the mean proportion of 2.56 and

    0.0324.
    A 2.88 Correct Answer Incorrect Answer
    B 0.224 Correct Answer Incorrect Answer
    C 0.288 Correct Answer Incorrect Answer
    D 2.24 Correct Answer Incorrect Answer

    Solution

    Mean proportion of 'a' and 'b' = √(a X b) So, required mean = √(2.56 X 0.0324) = 1.6 X 0.18 = 0.288

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