Question:The average age of a commitiee of eight members is `40` years. A member aged `55` years retired and his place was taken by another member aged `39` years .The average age of the present committee is : 

A `39  years` 
B `38  years` 
C `36  years` 
D `35  years` 

+ Answer
B 

+ Explanation
Required average 

`= ((8 xx 40 - 55 + 39)/8)`

`= 304/8`

`= 38 years`

+ Report

Irin Moni

Editor, VCampus

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