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Question

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


Options:
A .  76 kg
B .  76.5 kg
C .  85 kg
D .  Data inadequate
E .  None of these
Answer: Option C

Total weight increased = 8 x 2.5  =  20 kg.

   Weight of new person =  (65 + 20) kg = 85 kg.


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