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Discussion :: Average

  1. The average weight of a group of 5 boys is 26. If we replace a boy of weight 25 in the group with another boy so that new average increases by 3, find the weight of the new body.

    2. A.
    56
    B.
    34
    C.
    40
    D.
    33

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    Answer : Option C

    Explanation :


    The weight of new person = Weight of the removed person + No. of persons * Increase in average.
    = 25+5*3
    =25+15
    = 40

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