Mathematics · Time and Work
A is 50% more efficient than B. B alone can finish a certain work in 20 days. If A and B work together, how much time will they take to finish the same work?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 110 days
- 27 days
- 38 days✓
- 49 days
Correct answer
8 days
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