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The average age of 3 friends is 23 years. Even if the age of 4th friend is added, the average age remains the same. Then the age of the fourth friend is :
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- 20 years
- 21 years
- 22 years
- 23 years
- 20 years
Correct Option: D
Here , The average age of 3 friends = 23 years
According to the question,
Average age remains same.
∴ Fourth friend’s age = Average age of three friends = 23 years.
