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The average age of P, Q and R is 5 years more than R’s age. If the total ages of P and Q together is 39 years, then R’s age is
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- 12 years
- 24 years
- 16 years
- 14 years
- 12 years
Correct Option: A
According to question,
| ⇒ | P + Q + R | = R + 5 |
| 3 |
⇒ P + Q + R = 3R + 15
⇒ P + Q = 3R – R + 15
⇒ 2R + 15 = P + Q = 39
⇒ 2R = 39 – 15 = 24
⇒ R = 24 ÷ 2 = 12 years
Hence , R’s age is 12 years .
