Question
A water tank has two holes. The 1 hole alone empties the tank in 9 minutes and 2nd hole alone empties the tank in 6 minutes. If water leaks out at a constant rate, how many minutes does it take if both the holes together empty the tank?
More Pipes and cisterns Questions
- Tap A is 50% more efficient than tap B. Both the taps together can fill the tank in 9 hours. Find the time taken by tap C, which is 25% more efficient than...
- The efficiency of inlet pipe 'P' is 60% of the efficiency of another inlet pipe 'Q'. When both pipes are opened together, they fill a tank in 4 hours. How ...
- Two pipes M and N can fill a tank in 20 hours and 30 hours respectively. The pipes were opened together, but pipe N stopped working after sometime and the ...
- A bought an article at 8% less of the marked price and sold it at 15% more than the marked price. Find the profit earned by him.
- Pipe A can fill a cistern in 18 hours. Pipes A and B together can fill it in 12 hours, while Pipes B and C together can fill it in 9 hours. In how many hou...
- Pipe A alone fills a tank in 18 hours. Pipes A and B together fill it in 12 hours. Pipes B and C together fill it in 9 hours. Find the time taken by A, B a...
- Two pipes can fill a tank in 24 hours and 40 hours respectively. A leak can empty the full tank in 60 hours . If all three are opened together for 6 ...
- Pipe ‘A’ can fill a tank in 6 hours whereas pipe ‘B’ can empty it in 18 hours. If both pipes are opened together while pipe ‘B’ is closed after 2 hours, th...
- Pipe ‘A’ can fill a tank in 12 hours whereas pipe ‘B’ can empty it in 30 hours. If both pipes are opened together while pipe ‘B’ is closed after 5 hours, t...
- A cistern has two pipes one can fill it with water in 16 hours and other can empty it in 10 hours. In how many hours will the cistern be emptied if both th...
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)