The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What is the weight of the new person?
A.75 Kg
B.50 Kg
C.85 Kg
D.80 Kg
Answer:C
The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What is the weight of the new person?
A.75 Kg B.50 Kg C.85 Kg D.80 Kg