Question

    The average of 20 numbers is 32. If two numbers are 29

    and 31, then what is the average of the remaining numbers (correct up to two decimals)?
    A 31.24 Correct Answer Incorrect Answer
    B 30.22 Correct Answer Incorrect Answer
    C 34.44 Correct Answer Incorrect Answer
    D 32.22 Correct Answer Incorrect Answer

    Solution

    ATQ, we can say that Total of 32 numbers =  = 20 × 32 = 640 After removing 29 and 31 new total  = 640 - (29 + 31) = 640 - 60 = 580 New average = 580/18 = 32.22

    Practice Next
    More Previous year papers Questions
    ask-question