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    Question

    The average of 20 numbers is 50. If two numbers, 40 and

    60, are removed, what is the new average?
    A 48.5 Correct Answer Incorrect Answer
    B 49 Correct Answer Incorrect Answer
    C 50 Correct Answer Incorrect Answer
    D 51 Correct Answer Incorrect Answer

    Solution

    Sum of 20 numbers = 20 × 50 = 1,000. Sum of remaining numbers = 1,000 − (40 + 60) = 900. New average = 900 / 18 = 50. Thus, the correct answer is 50 . Ans. c

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