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

    Question

    If the mean proportion between 98 and 8 is denoted by

    'k', then determine the ratio of (k + 4) to (k - 8).
    A 8:5 Correct Answer Incorrect Answer
    B 7:4 Correct Answer Incorrect Answer
    C 9:5 Correct Answer Incorrect Answer
    D 6:7 Correct Answer Incorrect Answer
    E 3:2 Correct Answer Incorrect Answer

    Solution

    'k' = √(98 X 8) = √784 = 28 Therefore, required ratio = (28 + 4) :(28 - 8) = 32:20 = 8:5

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