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    Question

    Average weight of a team of 18 persons is 40 kg. When

    one more person joins the team, the average weight of the team increases by 4 kg. Find the weight of new person
    A 106 kg Correct Answer Incorrect Answer
    B 96 kg Correct Answer Incorrect Answer
    C 116 kg Correct Answer Incorrect Answer
    D 100 kg Correct Answer Incorrect Answer

    Solution

    Sum of weights of 18 persons = 40 ├Ч 18 = 720 kg Sum of weights of 19 persons = (40 + 4) ├Ч 19 = 836 kg Weight of new person = 836 тАУ 720 = 116 kg

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