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Discussion

  1. The average weight of 19 students is 15kg. by the admission of a new student the average weight is reduced to 14.8 kg. the weight of the new student is ?
    1. 10.6 kg
    2. 10.8 kg
    3. 11 kg
    4. 14.9 kg
  1. Correct Option: C

    Weight of new student = Total weight of all 20 students - Total weight of initial 19 students
    = (20 x 14.8 - 19 x 15) kg
    = 11 kg.


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