Mathematics · Time and Work
Prakash and Qumar together can do a piece of work in 20 days, and Qumar and Rajat together can do it in 60 days. If Qumar alone can do it in 120 days when working at 75% of his original efficiency, in how many days can Prakash and Rajat do it together?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 125.5 days
- 222.5 days✓
- 324 days
- 420 days
Correct answer
22.5 days
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