The average weight of 8 people increases by 5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?
A 85 kg
B 80 kg
C 75 kg
D Cannot be determined
Solution
Correct Answer: Option A
Total weight increased = (8 x 2.5) kg = 20 kg.
Weight of new person = (65 + 20) kg = 85 kg.
Practice More Questions on Our App!
Download our app for free and access thousands of MCQ questions with detailed solutions