Two pipes A and B can fill a tank in 15 minutes and 20 minutes respectively. Both the pipes are opened together but after 4 minutes, pipe A is turned off. What is the total time required to fill the tank? Mark as favorite Copy Link 10 min. 20 sec. 11 min. 45 sec. 12 min. 30 sec. 14 min. 40 sec. Check Answer
One tap can fill a water tank in 40 minutes and another tap can make the filled tank empty in 60 minutes. If both the taps are open, in how many hours will the empty tank be filled? Mark as favorite Copy Link 2 hours 2.5 hours 3 hours 3.5 hours Check Answer
A cistern is normally filled in 8 hours but takes two hours longer to fill because of a leak in its bottom. If the cistern is full, the leak will empty it in? Mark as favorite Copy Link 20 hrs 28 hrs 36 hrs 40 hrs Check Answer
Two pipes, P and Q, together can fill a cistern in 20 minutes and P alone can in 30 minutes. Then Q alone can fill the cistern in? Mark as favorite Copy Link 62 minutes 60 minutes 61 minutes 51 minutes Check Answer
A tap can empty a tank in one hour. A second tap can empty it in 30 minutes. If both the taps operate simultaneously, how much time is needed to empty the tank? Mark as favorite Copy Link 20 minutes 30 minutes 40 minutes 45 minutes Check Answer
If 3/5 th of a cistern is filled in 1 minute, the time needed to fill the rest is? Mark as favorite Copy Link 40 sec 30 sec 36 sec 24 sec Check Answer
Three Taps A, B and C can fill a tank in 6 hours. After working at it together for 2 hours, C is closed and A and B can fill the remaining part in 7 hours. The number of hours taken by C alone to fill the tank is? Mark as favorite Copy Link 10 12 14 16 Check Answer
If 1/3 of a tank holds 80 litres of water, then the quantity of water that 1/2 tank holds is? Mark as favorite Copy Link 240 litres 120 litres 80/3 litres 100 litres Check Answer
Two pipes can fill a cistern in 3 hours and 4 hours respectively and a waste pipe can empty it in 2 hours. If all the three pipes are kept open, then the cistern will be filled in? Mark as favorite Copy Link 5 hours 8 hours 10 hours 12 hours Check Answer
3/4 part of a tank is full of water. When 30 litres of water is taken out, the tank becomes empty. The capacity of the tank is? Mark as favorite Copy Link 36 litres 42 litres 40 litres 38 litres Check Answer