Mathematics · Work and Time
Ram is thrice as efficient a worker as Hari. Together, they can finish a piece of work in 21 days. In how many days can Ram alone finish the work?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 121 days
- 224 days
- 325 days
- 428 days✓
Correct answer
28 days
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