ATQ, 
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 bot...
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 ou...
Tap ‘A’ and tap ‘B’ can fill a tank in 64 hours and 56 hours, respectively. If both taps are opened together, then find the time after which tap...
Pipe ‘A’ takes 10 minutes to fill a tank. Pipe ‘B’ takes 20 minutes to empty the same tank. If pipe ‘B’ is opened 5 minutes after pipe ‘Aâ...
Pipe A and Pipe B can fill a cistern together in 18 minutes. Pipe B is 50% more efficient than pipe A. Find the capacity of cistern, if it is given tha...
A large reservoir can be filled by two pipes, A and B, in 20 minutes and 30 minutes respectively. If both pipes are opened simultaneously, after how muc...
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...
Pipe P can fill a tank in 12 hours, while pipe Q can fill the same tank in 20 hours. Both pipes are initially opened to fill an empty tank, but after 5 ...
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 alo...
Pipe T can empty a completely filled tank in 50 hours. Pipe R and T together can fill an empty tank completely in (z+5) hours. The efficiency of pipe R ...
