Question
Tap ‘A’ and tap ‘B’ can fill a tank in 42 hours and 30 hours, respectively. If both taps are opened together, then find the time after which tap ‘A’ must be closed so the whole tank can be filled in 20 hours.
More Pipes and cisterns Questions
- A tank is filled by 3 pipes, second pipe take 5 hours more than first pipe and 5 hours less than third pipe to fill the tank alone. If second and third pip...
- A tank is filled by three pipes A, B, and C. Pipe A can fill the tank in 12 hours, pipe B in 16 hours, and pipe C can empty the tank in 8 hours. If all thr...
- An inlet pipe A can fill a tank in x minutes, while an outlet pipe B can empty the fully filled tank in (x − 4) minutes. If both pipes are opened together,...
- Pipe 'A' takes 18 minutes to fill half the tank. Pipe 'B' is 3 times as efficient. What percentage of the tank will both fill in 9 minutes?
- An inlet pipe can fill a tank in 10 hours, whereas an outlet pipe can empty the same tank in 25 hours. Find the time taken by two such inlet pipes and one ...
- Pipe ‘A’ and pipe ‘B’, together can fill 20% of a tank in 6 hours while pipe ‘C’ takes 36 hours to empty it. Pipe ‘A’ and pipe ‘B’ were opened together. Af...
- 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 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' 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’ takes 24 hours to fill a tank. Pipe ‘B’ takes 72 hours to empty the same tank. If both are opened together, how long will it take to fill 66.67% o...
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)