The average weight of 10 persons increases by 6.3 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person? Choose the correct answer
A) 176 kg
B) 80 kg
C) 185 kg
D) 90 kg
E) 128 kg

Rationale: "solution total weight increased = ( 10 x 6.3 ) kg = 63 kg . weight of new person = ( 65 + 63 ) kg = 128 kg . answer e"
Answer: E