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- Pipe A can fill a tank in 5 hours, pipe B in 10 hours and pipe C in 30 hours.
Question 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 hours will the tank be filled? A. 2
B. 2.5
C. 3
Feedback part filled by (A+B+C) in 1 hour = (1/5 + 1/6 + 1/30)=› 1/3.
All the three pipes together will fill the tank in 3 hours.
All the three pipes together will fill the tank in 3 hours.
D. 3.5
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