Rectangle represents Teacher. Circle represents teachers who teaches Maths. Triangle represents teachers who teachesPhysics. So, E is common to the teachers who teaches both Maths and Physics.
Pipe ‘A’ and pipe ‘B’, together can fill 20% of a tank in 5 hours while pipe ‘C’ takes 40 hours to empty it. ...
Pipe A can fill a tank in 12 hours and pipe B takes 18 hours to fill it. Both pipes were open together and a leak was spotted which increased the fillin...
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...
Pipe ‘A’ can fill a tank in 50 hours whereas leak ‘A’ can empty it in 60 hours. If they both operate along with pipe ‘B’, then the given tan...
Pipe ‘A’ can fill a tank in 10 hours while pipe ‘B’ can empty it in 12 hours. They were operated on alternate hours starting with pipe ‘A’. ...
Pipe ‘A’ and pipe ‘B’, together can fill 20% of a tank in 8 hours while pipe ‘C’ takes 50 hours to empty it. ...
Pipe ‘A’ can fill a tank in 20 hours while pipe ‘B’ takes 30 hours to empty it. Pipe ‘A’ is opened alone when the tank was empty and after 1...
Pipe A can fill half of the tank in 6 hrs 2 min- Pipe B can fill the same tank completely in 18 hrs 5 min while pipe C can empty the fully filled tank i...
Pipe ‘A’ and pipe ‘B’, together can fill 20% of a tank in 5 hours while pipe ‘C’ takes 30 hours to empty it. Pipe ‘A’ and pipe ‘B’ w...
Tap A can fill a tank in 8 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. 4/7 part o...
