1. Two taps A and B can fill a tank in 10 hours and 15 hours and 15 hours respectively. If both the taps are opened together, the tank will be full in ?
Ans:6hrs
2. To fill a cistern, pipes A,B and C take 20 minutes, 15 minute and 12 minutes resp. The time in minutes that the three pipes together will take to fill the cistern is
Ans:5
3. Two pipes can fill a tank in 10 hours and 12 hours resp. while third pipe empties the full tank in 20 hours. If all the three pipes operate simultaneously, in how much time the tank will be filled?
Ans;7 hrs 30 mins
4. A cistern can be filled in 9 hours but it takes 10 hours due to a leak in its bottom. If the cistern is full, then the time that the leak will take to empty it is?
Ans:90 hrs
5. An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it took 3 ½ hours to fill the tank. The leak can drain out of all the water of the tank in
Ans:21 hrs
6. Taps A and B can fill a bucket in 12 minutes and 15 minutes resp. If both are opened and A is closed after 3 minutes. How much further time would it take for B to fill the bucket?
Ans 8 min 15 sec
7. A tank can be filled by a tap in 20 minutes and by another tap in 60 minutes. Both taps are kept open for 10 minutes and then the first tap is shut off. After this, the tank will be completely filled in?
Ans:20 min
8. If two pipes function simultaneously the reservoir will be filled in 12 hours, one pipe fills the reservoir 10 hours faster than the other. How many hours it takes the second pipe to fill the reservoir?
Ans:30 hours
9. One tap can fill a cistern in 2 hours and another tap can empty the cistern in 3 hours. How long will they take to fill the cistern if both the taps are opened?
Ans: 6hours
10. 12 buckets of water fill a taken when the capacity of each bucked is 13.5 liter. How many buckets will be needed to fill the same tank, if the capacity of each bucket is 9 liters?
Ans:18
Ans:6hrs
2. To fill a cistern, pipes A,B and C take 20 minutes, 15 minute and 12 minutes resp. The time in minutes that the three pipes together will take to fill the cistern is
Ans:5
3. Two pipes can fill a tank in 10 hours and 12 hours resp. while third pipe empties the full tank in 20 hours. If all the three pipes operate simultaneously, in how much time the tank will be filled?
Ans;7 hrs 30 mins
4. A cistern can be filled in 9 hours but it takes 10 hours due to a leak in its bottom. If the cistern is full, then the time that the leak will take to empty it is?
Ans:90 hrs
5. An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it took 3 ½ hours to fill the tank. The leak can drain out of all the water of the tank in
Ans:21 hrs
6. Taps A and B can fill a bucket in 12 minutes and 15 minutes resp. If both are opened and A is closed after 3 minutes. How much further time would it take for B to fill the bucket?
Ans 8 min 15 sec
7. A tank can be filled by a tap in 20 minutes and by another tap in 60 minutes. Both taps are kept open for 10 minutes and then the first tap is shut off. After this, the tank will be completely filled in?
Ans:20 min
8. If two pipes function simultaneously the reservoir will be filled in 12 hours, one pipe fills the reservoir 10 hours faster than the other. How many hours it takes the second pipe to fill the reservoir?
Ans:30 hours
9. One tap can fill a cistern in 2 hours and another tap can empty the cistern in 3 hours. How long will they take to fill the cistern if both the taps are opened?
Ans: 6hours
10. 12 buckets of water fill a taken when the capacity of each bucked is 13.5 liter. How many buckets will be needed to fill the same tank, if the capacity of each bucket is 9 liters?
Ans:18
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