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    Question

    There are two sections A and B of a class, consisting of

    38 and 42 students, respectively. If the average weight of the students of section A is 55 kg and that of section B is 32 kg, find the average weight of all the students in the class.
    A 42 kg Correct Answer Incorrect Answer
    B 42.925 kg Correct Answer Incorrect Answer
    C 44.925 kg Correct Answer Incorrect Answer
    D 40.925 kg Correct Answer Incorrect Answer

    Solution

    The correct answer is B

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