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      Question

      Average weight of a team of 8 persons is 50 kg. When one

      more person joins the team, the average weight of the team increases by 7 kg. Find the weight of new person
      A 113 kg Correct Answer Incorrect Answer
      B 110 kg Correct Answer Incorrect Answer
      C 103 kg Correct Answer Incorrect Answer
      D 93 kg Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Sum of weights of 8 persons = 50 Γ— 8 = 400 kg Sum of weights of 9 persons = (50 + 7) Γ— 9 = 513 kg Weight of new person = 513 – 400 = 113 kg

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