Mathematics · Time and Work
C and D together can complete a work in 40 days. C is 40% more efficient than D. C alone can complete the same work in how many days?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1460 9 days
- 2480 7 days✓
- 3480 11 days
- 4470 7 days
Correct answer
480 7 days
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