A tank has an inlet and outlet pipe. The inlet pipe fills the tank completely in 2 hours when the outlet pipe is plugged. The outlet pipe empties the tank completely in 6 hours when the inlet pipe is pluggeed._x005F_x000D_ If there is a lekage also which is capable of draining out the liquid from the tank at half of the Â rate of outet pipe,them what is the time taken to fill the emty tank when both the pipes are opened?

A tank has an inlet and outlet pipe. The inlet pipe fills the tank com

1.	A tank has an inlet and outlet pipe. The inlet pipe fills the tank completely in 2 hours when the outlet pipe is plugged. The outlet pipe empties the tank completely in 6 hours when the inlet pipe is pluggeed._x005F_x000D_ If there is a lekage also which is capable of draining out the liquid from the tank at half of the Â rate of outet pipe,them what is the time taken to fill the emty tank when both the pipes are opened?
A.	3 hours
B.	4 hours
C.	5 hours
D.	None of these
Answer» C. 5 hours

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