Mathematics · Time and Work
Four friends — P, Q, R, and S — can together complete a piece of work in 18 days. All four started the work together, but P left after 6 days. After another 12 days, Q also left. At this point, the work was only partially complete. R and S continued working together and completed the remaining portion of the work in 8 days. If R alone can complete the work in 60 days and S alone can complete the work in 90 days, how much time would P take to complete the entire work working alone?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 172 days
- 254 days✓
- 348 days
- 436 days
Correct answer
54 days
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