Discussion :: Average
- The average age of the committee of 10 members is 40 years. A member of age 52 retires and a new member of age 38 takes his place. What is the average age of the present committee?
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Answer : Option A
Explanation :
Total age of the committee = 10 ∗ 40 = 400 years
Age of retired member = 52 years
Age of new member = 38 years
As per question, we will minus 52 years and add 38 years in the total age then divide by 10 to find the new average age of the committee.
∴ 
= 
= 
= = 38.6 years
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