Mathematics · Time and Work
Three friends, P, Q, and R, together can complete a task in 10 days. If P can do it alone in 30 days and Q can do it alone in 40 days, how many days will R take to finish the task alone?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 136 days
- 230 days
- 324 days✓
- 420 days
Correct answer
24 days
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