Question
Pipe X can fill a tank in 25 minutes, pipe Y can fill it in 50 minutes, while pipe Z can empty it in 20 minutes. Pipe X is opened first, pipe Y after 5 minutes, and pipe Z after 10 minutes. Find the total time taken to fill the tank.
More Pipes and cisterns Questions
- Pipe 'M' and 'N' can fill a tank in 2 hours and 1 hour 20 minutes respectively. 'M' is opened alone. After 30 minutes, 'M' is closed and 'N' is opened. Fin...
- Pipes 'E' and 'F' can fill a tank in 20 and 25 minutes respectively. Both are opened together. A leak develops after half of the tank is filled, which remo...
- An inlet pipe can fill an empty tank in 20 minutes whereas an outlet pipe can empty the fully filled tank in 30 minutes. Find the time taken by both the pi...
- 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...
- Pipe P can fill a cistern in 12 hours and pipe Q in 20 hours. If both the pipes are opened in an empty cistern, how much time will they take to fill it?
- Two inlet pipes 'A' and 'B' can fill an empty tank in 60 minutes and 90 minutes, respectively. Another outlet pipe 'C' can empty the tank in 180 minutes. I...
- Pipe A fills a tank in 24 hours. Pipe A and B together fill it in 8 hours. Pipe B and C together also fill it in 8 hours. Find the time taken by A, B and C...
- Pipe ‘A’ can fill a tank in 14 hours whereas pipe ‘B’ can empty it in 28 hours. If both pipes are opened together while pipe ‘B’ is closed after 6 hours, t...
- Pipe ‘A’ and pipe ‘B’, together can fill 32% of a tank in 8 hours while pipe ‘C’ takes 35 hours to empty it. Pipe ‘A’ and pipe ‘B’ were opened together. Af...
- Pipe 'A' is 6 times as efficient as pipe 'B'. Pipe 'C', which is one-sixth as efficient as pipe 'B', can fill a tank alone in 18 hours. Find difference bet...
Relevant for Exams:
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)