Mathematics · Work and Time
Two persons A and B working together can dig a trench in 8 hours, while A alone can dig it in 12 hours. In how many hours can B alone dig the same trench?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 128 hours
- 226 hours
- 330 hours
- 424 hours✓
Correct answer
24 hours
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