Mathematics · Time and Work
A can complete a certain work in 20 days. B is 25% more efficient than A. C can complete one-fourth of the same work in 5 days. A and B together first complete three-tenths of the work. The remaining work is then finished by A and C working together. In how many days was the entire work completed?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 19 days and 12 hours
- 29 days and 16 hours✓
- 310 days and 10 hours
- 410 days and 8 hours
Correct answer
9 days and 16 hours
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