Mathematics · Work and Time
A can do a piece of work in 15 days and B can do the same work in 20 days. The time taken by them working together to complete the same work is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 174 7 days
- 260 7 days✓
- 353 7 days
- 467 7 days
Correct answer
60 7 days
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