The average weight of 25 girls increases by 1 kg when a new girl comes in place of one of them weighing 55 kg. What might be the weight of the new girl?	Choose the correct choice from the following choices:
A) 85 kg  B) 90 kg  C) 83 kg  D) 80 kg  E) 82 kg

Rationale: "total weight increased = 25 x 1 kg = 25 kg . weight of new person = 55 + 25 kg = 80 kg answer : d"
Answer: D