Mathematics · Time and Work
Pipe A can fill a tank in 18 hours, pipe B can fill the same tank in 30 hours, and pipe C can fill the same tank in 18 hours. The time taken by them to fill the same tank if they operate together is:
- 1131213 hours
- 261213 hours✓
- 321213 hours
- 4111213 hours
Correct answer
61213 hours
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