Question

    Average weight of a team of 13 persons is 33 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 80 kg Correct Answer Incorrect Answer
    B 85 kg Correct Answer Incorrect Answer
    C 89 kg Correct Answer Incorrect Answer
    D 99 kg Correct Answer Incorrect Answer

    Solution

    Sum of weights of 13 persons = 33 × 13 = 429 kg Sum of weights of 14 persons = (33 + 4) × 14 = 518 kg Weight of new person = 518 – 429 = 89 kg

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