After replacing an old member by a new member, it was found that the average age of five numbers of a club is the same 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
Ans: D.Sol.
Age decrease = (5 × 3) years = 15 years.
So, the required difference = 15 years.
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