Mathematics · Time and Work
P and Q working together can complete 32 times of a certain work in 9 days. R (working at twice the efficiency of Q) and P together can complete the same work in 5 days. Find the time taken by P, Q, and R together to complete 20% more of the work.
- 13.5 days
- 27.5 days
- 36.5 days
- 45 days✓
Correct answer
5 days
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