Mathematics · Time and Work
A can complete a certain work in 35 days. B is 40% more efficient than A, and C is 25% more efficient than B. B and C work together for 8 days. The remaining work is completed by A with the help of D in 31/2 days. D alone can complete 72% of the original work in:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 112 days
- 218 days
- 315 days
- 414 days✓
Correct answer
14 days
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