The average age of a committee of 10 members is 30 years. A member aged 60 years retired and his place was taken by another member aged 40 years . The average age of
present committee is;	Options:
A) 39 years
B) 28 years
C) 36 years
D) 35 years
E) 37 years
Total age of the committee = 30*10= 
<gadget id="calculator">30*10</gadget>
<output>300</output>
300,   Total age when a member is retired   and a new one was joined= 300-60 +40, =280   Average age of present committee = 280/10= 
<gadget id="calculator">280/10</gadget>
<output>28</output>
28.   ANSWER:28 years
<result>B</result>
The average age of a committee of 10 members is 30 years. A member aged 60 years retired and his place was taken by another member aged 40 years . The average age of
present committee is;