Mathematics · Time and Work
One boy and one girl together can complete a piece of work in 4 days. One boy alone can complete the same work in 5 days. In how many days can one girl alone complete the work?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 115 days
- 220 days✓
- 310 days
- 422 days
Correct answer
20 days
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