Mathematics · Time and Work
Two workers A and B can complete a piece of work together in 20 hours. If A worked for 5 hours and B worked for 15 hours, half of the work was still left to be done. In how many hours can A alone complete the entire work?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 134 hours
- 240 hours✓
- 338 hours
- 442 hours
Correct answer
40 hours
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