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      Question

      The average weight of 10 students is 45 kg. If a new

      student joins, the average becomes 46 kg. Find the weight of the new student.
      A 48 kg Correct Answer Incorrect Answer
      B 55 kg Correct Answer Incorrect Answer
      C 70 kg Correct Answer Incorrect Answer
      D 56 kg Correct Answer Incorrect Answer

      Solution

      ATQ,

      Total weight before = 10├Ч45 = 450 After joining: 11├Ч46 = 506 New studentтАЩs weight = 506 - 450 = 56 kg

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