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Discussion :: Average

  1. If the number of quantities in group A is 10 and in group B is 8, and their individual average is 24 and 16 respectively, find the combined average of the two groups.

  2. A.
    20.44
    B.
    18.22
    C.
    16.22
    D.
    18.66

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    Answer : Option A

    Explanation :


    The combined average of the two groups is =
    Average Aptitude
    =(10*24+8*16)/(10+8)
    = (240+128)/18
    = 368/18
    = 20.44


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