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The average age of 8 persons is increased by 2 years, when one of them, whose age is 24 years is replaced by a new person. The age of the new person is :
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- 42 years
- 40 years
- 38 years
- 45 years
- 42 years
Correct Option: B
Here , The average age of 8 persons increased by = 2 years
Sum = 8 × 2
The age of replaced by a new person = 24 years
Age of new person = 8 × 2 + 24 = 16 + 24
Age of new person = 40 years
