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question_answer1) Pipe A can fill an empty tank in 6 h and pipe B in 8 h. If both the pipes are opened and after 2 h pipe A is closed, how much time B will take to fill the remaining tank? [SSC CGL Tier II, 2015]
question_answer2) Having the same capacity 9 taps fill up a water tank in 20 min. How many taps of the same capacity required to fill up the same water tank in 15 min? [SSC CGL Tier n, 2014]
question_answer3) A pipe can fill a cistern in 12 min and another pipe can fill it in 15 min, but a third pipe can empty it in 6 min. The first two pipes are kept open for 5 minutes in the beginning and then the third pipe is also opened. Number of minutes taken to empty the cistern is
question_answer4) A tap can fill a cistern in 8 h and another tap can empty it in 16 h. If both the taps are open, the time taken to fill the tank will be
question_answer5) A cistern has 3 pipes A, B and C. A and B call fill it in 3 h and 4 h, respectively and C can empty it in 1 h. If the pipes are opened at 3 pm, 4 pm and 5 pm, respectively on the same day, the cistern will be empty at
question_answer6) A tank can be filled by a tap in 20 min and by another tap in 60 min. Both the taps are kept open for 10 min and then the first tap in shut off. After this, the tank will be completely filled in
question_answer7) A pipe can empty a tank in 40 min. A second pipe with diameter twice as much as that of the first is also attached with the tank to empty it. The two together can empty the tank in
question_answer8) Two pipes A and B can fill a tank in 15 min and 20 min, respectively. Both the pipes are opened together. But, after 4 min, pipe A is turned off. What is the total time required to fill the tank?
question_answer9) Two pipes can fill a tank in 15 h and 12 h respectively and a third pipe can empty it in 4 h. If the pipes be opened in order at 8 am, 9 am and 11 am respectively, the tank will be emptied at
question_answer10) A cistern has three pipes A, B and C. A and B can fill it in 3 h and 4 h respectively while C can empty the completely filled cistern in 1 h. If the pipes are opened in order at 3 pm, 4 pm and 5 pm respectively, at what time will the cistern be empty?
question_answer11) Three pipes A, B, C can fill a tank in 6 h. After working at it together for 2 h, C is closed and A and B can fill the remaining part in 7 h. The number of hours taken by C alone to fill the tank is
question_answer12) A large tanker can be filled by two pipes A and B in 60 min and 40 min, respectively. How many minutes will it take to fill the tanker from empty state if B is used for half the time and A and B fill it together for the other half?
question_answer13) A tap can fill a tank in 6 h. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?
question_answer14) Two pipes can fill a tank in 10 h and 16 h, respectively. A third pipe can empty the tank in 32 h. If all the three pipes function simultaneously, then in how much time (in h) the tank will be full?
question_answer15) Two-pipes can fill a tank in 2 h and 3 h, respectively. If both pipes are opened together, then the tank will be filled in
question_answer16) A cistern is normally filled in 8 h but takes 2 h more to fill because of a leak in its bottom. If the cistern is full, then the leak will make it empty in
question_answer17) Pipe A can fill a tank in 10 min and pipe B can empty it in 15 min. If both the pipes are opened in an empty tank, the time taken to make it full is
question_answer18) A bath tub is filled by pipe A in 4 min and is emptied by pipe B in 5 min. If both pipes are opened together, then time taken to fill the bath tub is
question_answer19) If two pipes can fill a tank in 20 min and 30 min, respectively. If both pipes are opened and after what time should first pipe be closed, so that tank will be filled in 10 min?
question_answer20) Two pipes A and B can fill a tank in 20 min and 24 min, respectively and a third pipe C can emptied the tank at the speed of 3 gallon/min. If all the pipes are opened together, the tank will be filled in 15 min. Then, the capacity of the tank (in gallon) is
question_answer21) A cistern can be filled by two pipes A and B in 20 min and 30 min, respectively. Both the pipes are opened together when the cistern is empty but after sometime, A is stopped and the cistern is filled in 18 min in all. The time (in min) after which A is stopped, is
question_answer22) A leak in the bottom of a tank can empty the full tank in 8 h. An inlet pipe fills water in the tank at the rate of 4 L/min. When the tank is full, the inlet is opened and due to a leak, the tank is emptied in 12 h. How many litres does the cistern hold?
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