Aptitude - Averages - Discussion

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Q.

After replacing an old member by a new 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 member?  .                          
A. 2 years B. 4 years
C. 8 years D. 15 years

Answer: Option D
Explaination:

 


Discussion

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