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The average age of a committee of 11 persons increases by 2 yr when 3 men of 32 yr. 34 yr and 33 yr are replaced by 3 woman. What will be the average age of those 3 woman ?
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- 40 yr
- 411/3 yr
- 41 yr
- 401/3 yr
- None of the above
Correct Option: D
Total age of 3 woman = 2 X 11 + (32 + 33 + 34)
= 22 + 99 = 121 yr.
∴ Average age of 3 woman = 121/3 = 401/3 yr
