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    Question

    The average weight of 9 workers increases by 3 kg when a

    new worker comes in place of one of them weighing 68 kg. What is the weight of the new worker?
    A 85 kg Correct Answer Incorrect Answer
    B 95 kg Correct Answer Incorrect Answer
    C 100 kg Correct Answer Incorrect Answer
    D 90 kg Correct Answer Incorrect Answer

    Solution

    The average increases by 3 kg for 9 workers, so the total weight increases by  9 × 3 = 27 kg.   That means the new worker is  68+27=95 kg.

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