Mathematics · Time and Work
A can complete a piece of work in 90 days. B is 80% less efficient than A. C is 50% more efficient than B. B and C work together for 36 days. A alone will complete the remaining work in:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 172 days✓
- 267 days
- 371 days
- 477 days
Correct answer
72 days
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