Aptitude - Averages - Discussion

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Q.

The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?  .                          


A. 76 kg B. 76.5 kg
C. 85 kg D. Data inadequate

Answer: Option C
Explaination:

 





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