Question:After replacing an old member by anew member, it was found that the  average age of five members 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 mwmber ? 

A `15 yrs` 
B `8 yrs` 
C `4 yrs` 
D `2 yrs` 

+ Answer
A 

+ Explanation
Age decreased

`= (5 xx 3) years`

`= 15 years`

So, the required difference

`= 15 years`

+ Report

Irin Moni

Editor, VCampus

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