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    Question

    The average weight of a group of 30 employees is 65 kg.

    If an additional five employees, each with an average weight of 72 kg, are added to the group, what would be the revised average weight of all the employees combined?
    A 70 kg Correct Answer Incorrect Answer
    B 68 kg Correct Answer Incorrect Answer
    C 75 kg Correct Answer Incorrect Answer
    D 66 kg Correct Answer Incorrect Answer
    E 65 kg Correct Answer Incorrect Answer

    Solution

    Required average weight = [(30 × 65) + (5 × 72)]/35 = (1950 + 360)/35 = 66 kg

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