A tank that can be filled by an inlet pipe A in 12 hours is filled in 18 hours while out let pipe B is opened. The outlet pipe B can empty the full tank in

A tank that can be filled by an inlet pipe A in 12 hours is filled in

1.	A tank that can be filled by an inlet pipe A in 12 hours is filled in 18 hours while out let pipe B is opened. The outlet pipe B can empty the full tank in
A.	25 hrs
B.	36 hrs
C.	76 hrs
D.	50 hrs
Answer» C. 76 hrs

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A tank that can be filled by an inlet pipe A in 12 hours is filled in 18 hours while out let pipe B is opened. The outlet pipe B can empty the full tank in

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