Question

Forty nine persons are standing in a row and their average weight is 66 kg. If the average weight of the first 25 persons is 68 kg and the average weight of the last 25 persons is 64 kg, then find the weight (in kg) of the 25th person. 

A 66
B 65
C 67
D 64
Practice Next

Relevant for Exams:

Hey! Ask a query