Mathematics · Time and Work
A and B can finish a work in 15 days and 10 days, respectively. A started the work alone and after 5 days, B joined A. They both completed the remaining work together. What is the total number of days taken to complete the entire work?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 128 3 days
- 229 3 days
- 39 days✓
- 410 3 days
Correct answer
9 days
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