The average weight of 4 person's increases by 8.5 kg when a new person comes in place of one of them weighing 95 kg. What might be the weight of the new person?
Options.
A) 129 kg B) 134 kg C) 180 kg D) 185 kg E) 190 kg

Rationale: "total weight increased = ( 4 x 8.5 ) kg = 34 kg . weight of new person = ( 95 + 34 ) kg = 129 kg option a"
Answer: A