Mathematics · Time and Work
A and B can do a piece of work separately in 20 days and 30 days respectively. They worked together for a few days, after which B left the work. If A alone completed the remaining work in 5 days, then for how many days did B work?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 19 days✓
- 28 days
- 36 days
- 44 days
Correct answer
9 days
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