Mathematics · Time and Work
N is thrice as good a workman as M and therefore is able to finish a work in 20 days less than M. In how many days can they together complete the same work?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 17.5 days✓
- 222 days
- 315 days
- 445 days
Correct answer
7.5 days
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