Question
Pipe P can fill a tank in 45 minutes while pipe Q can fill the same tank in 60 minutes. If pipe P and Q are opened simultaneously, then after how much time must pipe P be closed so that the whole tank is filled in 36 minutes?
More Pipes and cisterns Questions
- Two pipes M and N can fill a tank in 10 hours and 15 hours respectively. The pipes were opened together, but pipe N stopped working after sometime and the ...
- Pipe A alone fill the tank in x hours and Pipe B alone fill the tank in (x – 5) hours. If the efficiency of pipe B is double of pipe A and pipe A fill the ...
- Pipe 'A' is 5 times as efficient as pipe 'B'. Pipe 'C', which is one-fifth as efficient as pipe 'B', can fill a tank alone in 25 hours. Find difference bet...
- Pipe A and B can fill the pool in 38 minutes and 19 minutes, respectively. Pipe C can empty half filled pool in 38 minutes. If all the pipes are opened tog...
- Pipe A can fill a tank in 8 hours, while pipe B can empty the full tank in 12 hours. Both pipes are opened together. After how many hours should pipe B be ...
- Pipe A and Pipe B can fill a cistern together in 18 minutes. Pipe B is 50% more efficient than pipe A. Find the capacity of cistern, if it is given that pi...
- A tank can be filled by pipe M in 20 hours and by pipe N in 30 hours. Pipe O is 50% more efficient than pipe M. Pipes N and O are opened when the tank is e...
- Pipes D and E alone can fill a tank in 5 hours and 3 hours respectively. When both pipes along with pipe F, an outlet pipe, are opened together, 1/2 of the...
- A tank is filled by two pipes A and B in 12 minutes and 15 minutes, respectively. Another pipe C can empty the tank in 10 minutes. If all three pipes are o...
- Pipe 'A' and 'B' can fill a tank in 1 hour 30 minutes and 2 hours respectively. 'A' is opened alone. After 24 minutes, 'A' is closed and 'B' is opened. Fin...
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)