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EduGorilla
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Direction: Answer the questions based on the information given below:
There are seven pipes connected to a tank out of which four are inlet pipes i.e. A, C, E and F and three are outlet pipes i.e. B, D and G. Pipes B and E together can fill the empty tank in 90 hours. Pipe A is 50% more efficient than pipe d. Pipes E and F together can fill the empty tank in 36 hours. Pipe E is 10% less efficient than Pipe C. Pipe B and G together can empty the full tank in 36 hours. Pipe A and D together can fill the empty tank in 216 hours. Pipes B and F together can fill the empty tank in 180 hours.

If all the outlet pipes are opened together, then find the time taken by them to empty the full tank?

### Options :-

1. 32 hours
2. 27 hours
3. 25 hours
4. 30 hours
5. 24 hours
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