The average weight of 8 persons increases by 4 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person ?	Choices.
A) 75 kg
B) 65 kg
C) 55 kg
D) 97 kg
E) 25 kg

Rationale: "total weight increased = ( 8 x 4 ) kg = 32 kg . weight of new person = ( 65 + 32 ) kg = 97 kg . answer : d"
Answer: D