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Five years ago, the average age of P and Q was 25. The average age of P, Q and R today is 25. Age of R after 5 years will be
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- 15 years
- 20 years
- 40 years
- 35 years
- 15 years
Correct Option: B
Here , Five years ago, the average age of P and Q = 25.
Sum of the present age of P and Q = 2 × 25 + 10 = 60 years
The average age of P, Q and R today= 25 years
Sum of the present age of P, Q and R = 25 × 3 = 75 years
∴ R’s present age = 75 – 60 = 15 years
∴ R’s age after 5 years = 15 + 5 = 20 years
