Related InterviewSolutions

• Two pipes can fill a cistern separately in 10 hours and 15 hours. They can together fill the cistern in1). 6 hours2). 7 hours3). 8 hours4). 9 hours
• Two pipes A and B can fill a tank in 20 minutes and 30 minutes respectively.If both pipes are opened together,the time taken to fill the tank is :1). 50 minutes2). 12 minutes3). 25 minutes4). 15 minutes
• If two pipes function simultaneously. a tank is filled in 12 hours. One pipe fills the tank 10 hours faster than the other. How many hours does the faster pipe alone take to fill the tank1). 20 hrs2). 18 hrs3). 15 hrs4). 12 hrs
• A tap can fill a cistern in 8 hours and another tap can empty it in 16 hours. If both the taps are open, the time (in hours) taken to fill the tank will1). 82). 103). 164). 24
• 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 :1). 5 hours2). 8 hours3). 10 hours4). 12 hours
• A cistern can be filled with water by a pipe in 5 hours and it can be emptied by a second pipe in 4 hours. If both the pipes are opened when the cistern is full, the time in which it will be emptied is :1). 9 hours2). 18 hours3). 20 hours4). $20\frac{1}{2}$ hours
• Three taps A. B. C can fill an overhead tank in 4, 6 and 12 hours respectively. How long would the three taps take to fillthe tank If all of them are opened together 1). 2 hrs.2). 4 hrs.3). 3 hrs.4). 5 hrs.
• Three taps A,B and C together can fill an empty cistern in 10 minutes.The tap A alone can fill it in 30 minutes and the tap B alone in 40 minutes. How long will the tap C alone take to fill it 1). 16 minutes2). 24 minutes3). 32 minutes4). 40 minutes
• Two pipes X and Y can fill a cistern in 24 minutes and 32 minutes respectively. If both the pipes are opened together, then after how much time (in minutes) should Y be closed so that the tank is full in 18 minutes 1). 102). 83). 64). 5
• Two pipes, P and Q, together can fill a cistern in 20 minutes and P alone can in 30 minutes. Then Q alone can fin the cistern in1). 62 minutes2). 60 minutes3). 61 minutes4). 51 minutes