1 . Pipe A can fill a tank in 5 hours, pipe B in 10 hours and pipe C in 30 hours. If all the pipes are open, in how many will the tank be filled?
- A. 2
- B. 2.5
- C. 3
- D. 3.5
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1 . Pipe A can fill a tank in 5 hours, pipe B in 10 hours and pipe C in 30 hours. If all the pipes are open, in how many will the tank be filled?
View Answer | Discuss in Forum | Workspace | Report |