Mathematics · Time and Work
Ram can do a piece of work in 18 hours. Shyam and Naresh can do it in 9 hours, while Ram and Naresh can do it in 12 hours. How long will Shyam alone take to do it?
- 111 hours
- 212 hours✓
- 39 hours
- 415 hours
Correct answer
12 hours
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