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

    Question

    The average of five numbers is 30. If one of the numbers

    is removed, the average becomes 25. What is the number that was removed?
    A 35 Correct Answer Incorrect Answer
    B 40 Correct Answer Incorrect Answer
    C 45 Correct Answer Incorrect Answer
    D 50 Correct Answer Incorrect Answer

    Solution

    Total of 5 numbers = 5 * 30 = 150. Total of remaining 4 numbers = 4 * 25 = 100. Number removed = 150 - 100 = 50.

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