Mathematics · Time and Work
A and B can do a work in 15 days and 30 days, respectively. They start working together, but A leaves after 3 days. How much time will B take to complete the remaining work?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 132 days
- 224 days
- 321 days✓
- 428 days
Correct answer
21 days
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