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      Question

      The average weight of 8 boxes is 45 kg. If one more box

      weighing 63 kg is added, what will be the new average weight of the boxes?
      A 47 kg Correct Answer Incorrect Answer
      B 50 kg Correct Answer Incorrect Answer
      C 51 kg Correct Answer Incorrect Answer
      D 53 kg Correct Answer Incorrect Answer

      Solution

      Total weight of 8 boxes = 8 Γ— 45 = 360 kg Total weight of 9 boxes = 360 + 63 = 423 kg New average = 423 Γ· 9 = 47 kg Correct Option: a

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