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427

Q:

The average weight of a group of 8 persons increases by 2.5 kg when one person weighing 54 kg is replaced by a new person. How much does the new person weigh?

  • 1
    74 kg
  • 2
    77 kg
  • 3
    72 kg
  • 4
    76 kg
  • Show Answer
  • Workspace

Answer : 1. "74 kg"

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