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Discussion :: Average

  1. If the average marks of three classes of 45, 60 and 55 students are 60, 55, 50 respectively, find the average marks of all the students.
    2. A.
    52.85
    B.
    45.75
    C.
    64.68
    D.
    54.68

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    Answer : Option D

    Explanation :


    Average Aptitude
    = (2700+3300+2750/160)
    = 8750/160
    = 54.68

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