1)

After replacing an old member by a new member, it was found that the average age of five members of a'club is the safrie as it was 3 years ago. What is the difference between the ages of the replaced and the new member ?


A) 2 years

B) 4 years

C) 8 years

D) 15 years

Answer:

Option D

Explanation:

Age decreased = (5x3)years =15 years
So the requied difference = 15 years