Practice Pipes and cisterns Questions and Answers

• Pipe A can fill a tank in 45 minutes while pipe B can fill it in ____ minutes. There’s a leak in the tank which can empty it in _____minutes. When both t...
• There are 6 inlet and (x-2) outlet pipes attached to a tank. Each inlet pipe takes 20 hours to fill the tank and each outlet pipe empties the fully filled ...
• Two vessels 'A' and 'B' contains 480 litres, each of pure milk and pure water, respectively. 120 litres of milk is withdrawn from vessel 'A' and poured in ...
• There are four pipes A, B, C and D where A and B are used to fill the tank and C and D are used to empty the tank. Pipe A and C together can fill the tank ...
• In bucket A and B, the quantity of mixture are (3z-25) litre and (5z+25) litre respectively. If (y-15) and (y+60) litres of water is mixed in bucket A and ...
• If a tank can be filled by a tap in 10 hours, but due to an outlet, it actually takes 5 hours longer to fill the tank, find the duration in which the outle...
• If a tank can be filled by a tap in 12 hours, but due to an outlet, it actually takes 6 hours longer to fill the tank, find the duration in which the outle...
• If a tank can be filled by a tap in 16 hours, but due to an outlet, it actually takes 4 hours longer to fill the tank, find the duration in which the outle...
• If a tank can be filled by a tap in 14 hours, but due to an outlet, it actually takes 4 hours longer to fill the tank, find the duration in which the outle...
• If a tank can be filled by a tap in 20 hours, but due to an outlet, it actually takes 8 hours longer to fill the tank, find the duration in which the outle...
• If a tank can be filled by a tap in 12 hours, but due to an outlet, it actually takes 8 hours longer to fill the tank, find the duration in which the outle...
• If a tank can be filled by a tap in 12 hours, but due to an outlet, it actually takes 9 hours longer to fill the tank, find the duration in which the outle...
• If a tank can be filled by a tap in 14 hours, but due to an outlet, it actually takes 7 hours longer to fill the tank, find the duration in which the outle...
• Two pipes, A and B, can independently fill the tank in 15 minutes and 25 minutes respectively, while pipe C can empty 9 gallons from the tank in 3 minutes....
• Two pipes, A and B, can independently fill the tank in 20 minutes and 25 minutes respectively, while pipe C can empty 7 gallons from the tank in 5 minutes....
• Two pipes, A and B, can independently fill the tank in 16 minutes and 20 minutes respectively, while pipe C can empty 5 gallons from the tank in 2 minutes....
• Two pipes, A and B, can independently fill the tank in 18 minutes and 20 minutes respectively, while pipe C can empty 8 gallons from the tank in 3 minutes....
• Tap A and Tap B fill a drum of volume 117 liters in 3 minutes. If their efficiencies are in the ratio x:y respectively and B alone takes to fill the cister...
• Tap A and Tap B fill a drum of volume 408 liters in 12 minutes. If their efficiencies are in the ratio x:y respectively and B alone takes to fill the ciste...
• Tap A and Tap B fill a drum of volume 483 liters in 21 minutes. If their efficiencies are in the ratio x:y respectively and B alone takes to fill the ciste...
• Tap A and Tap B fill a drum of volume 357 liters in 17 minutes. If their efficiencies are in the ratio x:y respectively and B alone takes to fill the ciste...
• Tap A and Tap B fill a drum of volume 425 liters in 17 minutes. If their efficiencies are in the ratio x:y respectively and B alone takes to fill the ciste...
• Tap A and Tap B fill a drum of volume 494 liters in 19 minutes. If their efficiencies are in the ratio x:y respectively and B alone takes to fill the ciste...
• Tap A and Tap B fill a drum of volume 475 liters in 19 minutes. If their efficiencies are in the ratio x:y respectively and B alone takes to fill the ciste...
• Tap A can fill a tank in 12 hours. Tap B can fill 12.5% part of the same tank in 2 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 5/8 part o...
• Tap A can fill a tank in 10 hours. Tap B can fill 25% part of the same tank in 3 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 2/5 part of ...
• Tap A can fill a tank in 10 hours. Tap B can fill 12.5% part of the same tank in 2 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 3/7 part o...
• Tap A can fill a tank in 15 hours. Tap B can fill 20% part of the same tank in 4 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 2/5 part of ...
• Tap A can fill a tank in 9 hours. Tap B can fill 37.5% part of the same tank in 3 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 2/5 part of...
• Tap A can fill a tank in 15 hours. Tap B can fill 12.5% part of the same tank in 2 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 5/8 part o...
• Tap A can fill a tank in 12 hours. Tap B can fill 20% part of the same tank in 3 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 5/8 part of ...
• Tap A can fill a tank in 8 hours. Tap B can fill 12.5% part of the same tank in 2 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 5/8 part of...
• Tap A can fill a tank in 10 hours. Tap B can fill 12.5% part of the same tank in 5 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 2/5 part o...
• Pipe A and Pipe B together can fill the tank in 15 hours. The capacity of the pipe A is 30% of the capacity of the pipe B. How much time will pipe B alone ...
• Pipe A and Pipe B together can fill the tank in 20 hours. The capacity of the pipe A is 40% of the capacity of the pipe B. How much time will pipe B alone ...
• Pipe A and Pipe B together can fill the tank in 15 hours. The capacity of the pipe A is 20% of the capacity of the pipe B. How much time will pipe B alone ...
• Pipe A and Pipe B together can fill the tank in 10 hours. The capacity of the pipe A is 30% of the capacity of the pipe B. How much time will pipe B alone ...
• Pipe A and Pipe B together can fill the tank in 25 hours. The capacity of the pipe A is 20% of the capacity of the pipe B. How much time will pipe B alone ...
• Pipe A and Pipe B together can fill the tank in 20 hours. The capacity of the pipe A is 25% of the capacity of the pipe B. How much time will pipe B alone ...
• Pipe A and Pipe B together can fill the tank in 32 hours. The capacity of the pipe A is 25% of the capacity of the pipe B. How much time will pipe B alone ...