The average weight of 8 person's increases by 3 kg when a new person comes in place of one of them weighing 70 kg. What might be the weight of the new person? Choose the correct answer:  A) 94 kg  B) 85 kg  C) 90 kg  D) 100 kg  E) 110 kg

Rationale: "total weight increased = ( 8 x 3 ) kg = 24 kg . weight of new person = ( 70 + 24 ) kg = 94 kg . answer : a"
Answer: A