Related InterviewSolutions

• A works 3 times as fast as B. If B can complete a work in 60 days, then in how many days can A and B together complete the same work ?A. 20B. 12C. 15D. 30
• A is thrice as fast as B. If B can do a piece of work in 60 days, the number of days they take to complete the work is ……..
• X works 3 times as fast as Y and is able to complete a work in40 days less than the number of days taken by Y. Find the time in which they can complete the work together.
• Two pipes P and Q can fill a cistern in 15 minutes and 20 minutes respectively. Both are opened together, but at the end of 5 minutes, the pipe P is turned off. How long will the pipe Q take to fill the cistern ?
• P,Q and R started a piece of work. They worked on it for 5 days, which P left
• Two taps A and B can fill a tank in 15 minutes and 20 minutes respectively.If both the taps are opened simultaneouly, then in how much time can the empty tank be filled ?A. `8(4)/(7)`hoursB. 8 minutesC. `8(4)/(7)` minutesD. 16 minutes
• A,B and C can do a work in 20,45 and 120 days respectively.They started the work. A left 10 days before and B left 5 days before the completion of work. In how many days is the total work completed ?
• An empty tank can be filled by two pipes individually in 30 minutes and 60 minutes respectively. There is also a pipe which can empty the full tank in 45 minutes.If all the three pipes are open,how much time does it take to fill the empty tank ?A. 36 minutesB. 18 minutesC. 30 minutesD. 24 minutes
• A tap can fill a tank in 48 minutes whereas anothertap can empty it in 2 hours. If both the taps are opened at 11:40 A.M, thenthe tank will be filled at`12 : 40 PdotMdot`b. `1: 00 PdotMdot`c. `1: 20 PdotMdot`d. `1: 30 PdotMdot `A. `12:40` p.m.B. `1:30` p.m.C. `1:00` p.m.D. `1:20` p.m.
• A tank has two inlet pipes, A and B, which can fill the tank in 12 hours and 18 hours respectively, and an outlet C which can empty the tank in 9 hours. A,B and C are all opened at a time but the outlet C is blocked completely after 6 hours. Find the total time taken right from the start to fill the tank.