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Q:

Average weight of 25 students of a class is 50 kg. If the weight of the class teacher is included, the average is increased by 1 kg. The weight of the teacher is 

  • 1
    76 kg
  • 2
    77 kg
  • 3
    74 kg
  • 4
    75 kg
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Answer : 1. "76 kg "

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