Pipes & Cisterns — practice questions, page 4
Browse practice questions
Pipe A fills a tank in 24 minutes and pipe B in 32 minutes. Both are opened; when the tank is half…Three identical inlets together fill a tank in 4 hours. How long would one of them take alone?Ramesh switches on a motor that fills his 1,000-litre rooftop tank in 25 minutes. How many litres…With the inlet and the leak in the figure both open, how long does the empty tank take to fill?A tank is filled in 2 hours 24 minutes by two pipes working together. If one pipe alone takes 4…The table gives the litres per minute that each of three pumps can lift. Pumps 1 and 3 are run…The tank in the figure holds 1,800 litres and is empty. Both pipes are opened together. How long…Pipe A can fill a tank in 18 minutes and pipe B can empty it in 27 minutes. If both are opened on…Pipe A delivers 40% more water per hour than pipe B. Together they fill a tank in 7 hours. How…A pipe fills a tank in 10 hours. After it has worked for 4 hours, a second pipe that fills the…Tap A fills a tank in 20 minutes and tap B in 30 minutes. Both are opened together, but after 4…All four pipes in the figure are opened together on the empty tank. How long does it take to fill?A swimming pool at a club in Bengaluru has 4 inlets that each fill it in 12 hours and 2 outlets…Pipe A alone fills a tank in 5 hours and pipe B alone in 8 hours. If both are opened together on…A pipe can fill a tank in 15 hours. Because of a leak, it fills only 3/5 of the tank in 12 hours.…A pipe can fill a tank in 12 hours. It worked alone for a while, then a second pipe that fills the…Pipe A fills 8% of a tank every hour and pipe B empties 3% of it every hour. The tank is 35% full…Pipes A and B fill a tank in 20 and 30 hours, but a leak lets only 80% of the incoming water stay…Pipes P, Q and R fill a tank in 10, 15 and 30 hours. P is open throughout, Q is closed after 2…Pipes A and B fill a tank in 20 and 30 minutes. They are opened together, but a partial blockage…Three pipes have diameters 2 cm, 3 cm and 6 cm, and the flow through each is proportional to the…A tank has 10 pipes; some are inlets and the rest outlets. Each inlet fills the tank in 12 hours…Pipe A alone fills a tank in 30 minutes and pipe B alone in 45 minutes. A is opened first. After…Pipe A fills a tank in 6 hours and pipe B empties it in 10 hours. Starting with A, they are opened…A 2,400-litre tank is filled by two pumps delivering 30 and 50 litres per minute. After 15 minutes…
← Previous · Page 4 of 8 · Next →