Mathematics · Time and Work
P and Q together can complete a job in 22 5 days (or 4 2 5 days). R and S together can complete the same job in 44 9 days (or 4 8 9 days). If P, Q, R, and S work together, how many days do they need to complete the same job?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12 6 19✓
- 21 6 19
- 31 7 18
- 42 7 18
Correct answer
2 6 19
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