Mathematics · Time and Work
A can do a piece of work in 21 days and B can do the same work in 17 days. How long will they take to finish the work if both work together?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 191538 days✓
- 281518 days
- 371518 days
- 461538 days
Correct answer
91538 days
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