Pipes A and B can fill a tank in one hour and two hours respectively while pipe C can empty the filled up tank in one hour and fifteen minutes. A and C are turned on together at 9 a.m. After 2 hours. Only A is closed and B is turned on. When will the tank be emptied?
A. 12:10 p.m.
B. 11:30 a.m.
C. 10:30 a.m.
D. 12:20 p.m.
Answer: Option D
This Question Belongs to Arithmetic Ability >> Pipes And Cistern
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