The average age of group of eight members is the same as it was 3 years ago, when a young member is substituted for an old member. The incoming member is younger to the outgoing member by:
Answer & explanation
Correct answer: option 2
Given years = 3
Total members = 8
When the average is same then, he incoming member is younger to the outgoing member by = 8 × 3 = 24 years