Mathematics · Time and Work
To do a certain work, A is 40% more efficient than B, and C is 25% less efficient than B. Working together, they can complete the work in 20 days. In how many days can B and C together complete two-thirds of the same work?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 136 days
- 221 days
- 324 days✓
- 430 days
Correct answer
24 days
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