320 + Mcqs in Pipes And Cistern Page 2 McqOptions

51.	A cistern has a leak which would empty it in 15 hours. A tap is turned on which admits 2 litres per hour into the cistern and it is now emptied in 10 hours. How many litres does the
A.	50 litres
B.	60 litres
C.	45 litres
D.	360 litres
Answer» C. 45 litres

Discussion

52.	A cistern can be filled by two pipes in 30 and 40 minutes respectively. Both the pipes were opened at once, but after some time the first was shut up and the cistern was filled in 10 minutes more. Ho
A.	90/ 11 minutes
B.	90/7 minutes
C.	90/13 minutes
D.	45/2 minute
Answer» C. 90/13 minutes

Discussion

53.	A cistern is normally filled in 8 hrs. but takes 2 hrs. longer to fill because of a leak in its bottom. If the cistern is full, the leak will empty it in ?
A.	16 hrs.
B.	40 hrs.
C.	25 hrs.
D.	20 hrs.
Answer» C. 25 hrs.

Discussion

54.	A water tank is 2/5th full pipe A can fill the tank in 10 minutes and the pipe B can empty it in 6 minutes. If both the pipes are open, how long will it take to empty or fill the tank completely ?
A.	6 minutes to empty
B.	6 minutes to fill
C.	9 minutes to empty
D.	9 minutes to fill
Answer» B. 6 minutes to fill

Discussion

55.	Two pipes X and Y can fill a cistern in 24 min. and 32 min. respectively. If both the pipes are opened together, then after how much time Y should be closed so that the tank is full in 18 minutes ?
A.	6 min.
B.	8 min.
C.	10 min.
D.	12 min.
Answer» C. 10 min.

Discussion

56.	A cistern is normally filled in 8 hours but takes two hours longer to fill because of a leak in its bottom. If the cistern is full, the leak will empty it in ?
A.	16 hrs.
B.	20 hrs.
C.	25 hrs.
D.	40 hrs.
Answer» E.

Discussion

57.	A leak in the bottom of a tank can empty the full tank in 6 hours. An Inlet pipe fills water at the rate of 4 litres per minute. When the tank is full, the Inlet is opened and due to the leak the tank
A.	5260 litres
B.	5760 litres
C.	5846 litres
D.	6970 litres
Answer» B. 5760 litres

Discussion

58.	A pipe can fill a cistern in 12 minutes and another pipe can fill it in 15 minutes, but a third pipe can empty it in 6 minutes. The first two pipes are kept open for 5 minutes in the beginning and the
A.	30 min.
B.	33 min.
C.	38 min.
D.	45 min.
Answer» E.

Discussion

59.	Bucket P has thrice the capacity as bucket Q. It takes 80 turns for bucket P to fill the empty drum. How many turns it will take for both the buckets P and Q, having each turn together to fill the emp
A.	30
B.	35
C.	58
D.	60
Answer» E.

Discussion

60.	Two pipes A and B can fill a tank in 12 and 24 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank?
A.	4 min
B.	6 min
C.	8 min
D.	9 min
Answer» D. 9 min

Discussion

61.	Two pipes A and B can fill a tank in 2 and 6 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank?
A.	1.5 min
B.	2 min
C.	2.5 min
D.	3 min
Answer» B. 2 min

Discussion

62.	A tank has three inlets A, B and C. C takes twice the time taken by A to fill the tank and B takes half the time taken by A to fill the tank. If they can fill the tank together in 4
A.	7 minutes
B.	14 minutes
C.	3.5 minutes
D.	28 minutes
Answer» B. 14 minutes

Discussion

63.	Two pipes A and B can fill a tank in 20 minutes when opened simultaneously. If pipe A alone takes 60 minutes to fill the tank, how much time will pipe B alone take to fill the
A.	60 minutes
B.	40 minutes
C.	30 minutes
D.	20 minutes
Answer» D. 20 minutes

Discussion

64.	Two taps A and B can fill a bathtub in 10 minutes and 15 minutes respectively. If A was open for the first two minutes, B for the next two minutes and so on, the bathtub is
A.	6 minutes
B.	12 minutes
C.	12.5 minutes
D.	24 minutes
Answer» C. 12.5 minutes

Discussion

65.	Pipe A and Pipe B can fill a tank in 1 hour and 1 ¼ hours respectively. Both pipes are opened in the beginning and after some time, pipe B is closed. The tank is filled in 40
A.	30 minutes
B.	45 minutes
C.	40 minutes
D.	25 minutes
Answer» E.

Discussion

66.	A pipe can fill a tank in an hour. Because of a leak, it took 1 hour and 10 minutes to fill the tank. Find the time taken by the leak to drain all the water in the tank.
A.	10 minutes
B.	7/6 hours
C.	6/7 hours
D.	7 hours
Answer» E.

Discussion

67.	Pipe A and Pipe B can fill a tank in 20 minutes and 10 minutes respectively. Pipe C can empty the tank in 15 minutes. If the three pipes are opened simultaneously, find the
A.	12
B.	15
C.	20
D.	18
Answer» B. 15

Discussion

68.	Three pipes, A, B, & C are attached to a tank. A & B can fill it in 20 & 30 minutes respectively while C can empty it in 15 minutes. If A, B & C are kept open successively for 1 minute each, how soon
A.	180 minutes
B.	167 minutes
C.	200 minutes
D.	178 minutes
Answer» C. 200 minutes

Discussion

69.	Pipes P and Q can empty a tank in 1 hr and 1.5 hrs respectively. Pipes R and S can fill a tank in 2 hrs and 2.5 hrs respectively. The tank is filled to its capacity of 15 liters and all
A.	7 liters
B.	5 liters
C.	3.5 liters
D.	2.5 liters
Answer» D. 2.5 liters

Discussion

70.	Pipe A and Pipe B can fill a tank in 20 minutes and 30 minutes respectively. Pipe C can empty the tank in 60 minutes. The tank is initially empty. Both the pipes A and B are
A.	12 minutes
B.	13.5 minutes
C.	15 mintes
D.	14.5 minutes
Answer» C. 15 mintes

Discussion

71.	An inlet pipe fills a tank at the rate of 5 litres of water a minute. An outlet connected to the tank can empty a full tank in 5 hours. Both the pipes are opened together for 30
A.	480 liters
B.	360 liters
C.	300 liters
D.	240 liters
Answer» D. 240 liters

Discussion

72.	A tank is filled in 5 hours by three pipes A,B and C. The pipe C is twice as fact as B and B is twice as fact as A . How much time will pipe A along take to fill the tank ?
A.	20 hrs
B.	25 hrs
C.	35 hrs
D.	None of these
Answer» D. None of these

Discussion

73.	Two pipes A and B can fill a tank in 20 and 30 minutes respectively.If both the pipes are used together,then how long will it take to fill the tank ?
A.	12 min
B.	15 min
C.	25 min
D.	50 min
Answer» B. 15 min

Discussion

74.	A cistern can be filled by a tap in 4 hours while it can be emptied by another tap in 9 hours.If both the taps are opened simultaneously,then after how much time will the cistern get filled ?
A.	4.5 hrs
B.	5 hrs
C.	6.5 hrs
D.	7.2 hrs
Answer» E.

Discussion

75.	A tap can fill a tank in 6 hours.After half the tank is filled,three more similar taps are opened.What is the total time taken to fill the tank completely ?
A.	3 hrs 15 min
B.	3 hrs 45 min
C.	4 hrs
D.	4 hrs 15 min
Answer» C. 4 hrs

Discussion

76.	A water tank is two-fifth full.Pipe A can fill a tank in 10 minutes and pipe B can empty it in 6 minutes.If both the pipes are open,how long will it take to empty or fill the tank completely ?
A.	6 min. to empty
B.	6 min to fill
C.	9 min to empty
D.	9 min to fill
Answer» B. 6 min to fill

Discussion

77.	A tap can fill a tank in 15 minutes, while another tap can empty the tank in 20 minutes. When the tank is already half full, both the taps are opened together. The tank will be filled up completely in
A.	2
B.	2.5
C.	3
D.	3.5
Answer» D. 3.5

Discussion

78.	Three pipes A, B and C can fill a tank in 6 hours. After working at it together for 2 hours, C is closed and A and B can fill the remaining part in 7 hours. The number of hours taken by C alone to fil
A.	10
B.	12
C.	14
D.	16
Answer» D. 16

Discussion

79.	A leak in the bottom of a tank can empty the full tank in 8 hours. An inlet pipe fills water at the rate of 6 litres a minute. When the tank is full, the inlet is opened and due to the leak, the tank
A.	7580
B.	7960
C.	8290
D.	8640
Answer» E.

Discussion

80.	Two pipes A and B can fill a cistern in 12 minutes and 15 minutes respectively while a third pipe C can empty the full tank in 6 minutes. A and B are kept open for 5 minutes in the beginning and then
A.	30 min
B.	33 min
C.	37 min
D.	45 min
Answer» E.

Discussion

81.	Two pipes A and B can fill a tank in 15 hours and 20 hours respectively while a third pipe C can empty the full tank in 25 hours. All the three pipes are opened in the beginning. After 10 hours, C is
A.	12 hrs
B.	13 hrs
C.	16 hrs
D.	18 hrs
Answer» B. 13 hrs

Discussion

82.	Two pipes A and B can fill a tank in 12 minutes and 15 minutes respectively. If both the taps are opened simultaneously, and the tap A is closed after 3 minutes, then how much more time will it take t
A.	7 min 15 sec
B.	7 min 45 sec
C.	8 min 5 sec
D.	8 min 15 sec
Answer» E.

Discussion

83.	Bucket P has thrice the capacity as bucket Q. It takes 60 turns for bucket P to fill the empty drum. How many turns it will take for both the buckets P and Q, having each turn together to fill the emp
A.	30
B.	40
C.	45
D.	90
Answer» D. 90

Discussion

84.	12 buckets of water fill a tank when the capacity of each tank is 13.5 litres. How many buckets will be needed to fill the same tank, if the capacity of each bucket is 9 litres ?
A.	8
B.	15
C.	16
D.	18
Answer» E.

Discussion

85.	A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The second pipe
A.	6 hrs
B.	10 hrs
C.	15 hrs
D.	30 hrs
Answer» D. 30 hrs

Discussion

86.	A tank is filled in 5 hours by three pipes A, B and C. The pipe C is twiceNas fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank ?
A.	20 hrs
B.	25 hrs
C.	35 hrs
D.	Cannot be determined
Answer» D. Cannot be determined

Discussion

87.	Two pipes A arid B can separately fill a cistern in 60 minutes and 75 minutes respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously op
A.	90 min
B.	100 min
C.	110 min
D.	120 min
Answer» C. 110 min

Discussion

88.	A water tank is two-fifth full. Pipe A can fill a tank in 10 minutes and pipe B can empty it in 6 minutes. If both the pipes are open, how long will it take to empty or fill the tank completely ?
A.	6 min, to empty
B.	6 min. to fill
C.	9min. to empty
D.	9 min. to fill
Answer» B. 6 min. to fill

Discussion

89.	A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely ?
A.	3 hrs 15 min
B.	3 hrs 45 min
C.	4 hrs
D.	4 hrs 15 min
Answer» C. 4 hrs

Discussion

90.	Pipe A can fill a tank in 5 hours, pipe B in 10 hours and pipe C in 30 hours. If all the pipes ,are open, in how many hours will the tank be filled ?
A.	2
B.	2.5
C.	3
D.	3.5
Answer» D. 3.5

Discussion

91.	A cistern can be filled by a tap in 4 hours while it car be emptied by another tap in 9 hours. If both the taps are opened simultaneously then after how much time will the cistern get filled?
A.	4.5 hrs
B.	5 hrs
C.	6.5 hrs
D.	7.2 hrs
Answer» E.

Discussion

92.	Two pipes A and B can fill a cistern in 37½ minutes and 45 minutes respectively. Both pipes are opened. The cistern will be filled in just half an hour, if the pipe B is turned off after :
A.	7 min
B.	8 min
C.	9 min
D.	10 min
Answer» D. 10 min

Discussion

93.	Three taps A, B and C can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capac
A.	100 gallons
B.	120 gallons
C.	140 gallons
D.	160 gallons
Answer» C. 140 gallons

Discussion

94.	A large tanker can be filled by two pipes A and B in 60 minutes and 40 minutes 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
A.	30 min
B.	35 min
C.	40 min
D.	45 min
Answer» B. 35 min

Discussion

95.	A tank is filled in 5 hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank
A.	15 hrs
B.	25 hrs
C.	35 hrs
D.	45 hrs
Answer» D. 45 hrs

Discussion

96.	Two pipes A and B can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank ?
A.	12 min
B.	15 min
C.	25 min
D.	50 min
Answer» B. 15 min

Discussion

97.	Two pipes C and D can fill a tank in 36 hours and 45 hours respectively. If both the pipes are opened simultaneously, how much time will be taken to fill the tank?
A.	40 hours
B.	50 hours
C.	60 hours
D.	20 hours
Answer» E.

Discussion

98.	Two pipes can till a tank in 10 hours and 12 hours respectively while a third pipe empties the full tank in 20 hours. If all the three pipes operate simultaneously, in how much time will the tank be f
A.	7hrs 30 min
B.	7hrs 40 min
C.	7hrs 50 min
D.	8hrs 30 min
Answer» B. 7hrs 40 min

Discussion

99.	An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it took 3 (1/2)hours to fill the tank. If the tank is full, how much time will the leak take to empty it ?
A.	21 hours
B.	20 hours
C.	30 hours
D.	40 hours
Answer» B. 20 hours

Discussion

100.	Two pipes can Gil a cistern in 14 hours and 16 hours respectively. The pipes are opened simultaneously and it is found that due to leakage in the bottom it took 32 minutes more to fill the cistern. Wh
A.	100 hours
B.	112 hours
C.	150 hours
D.	160 hours
Answer» C. 150 hours

Discussion

Explore topic-wise MCQs in Arithmetic Ability.

A cistern has a leak which would empty it in 15 hours. A tap is turned on which admits 2 litres per hour into the cistern and it is now emptied in 10 hours. How many litres does the

A cistern can be filled by two pipes in 30 and 40 minutes respectively. Both the pipes were opened at once, but after some time the first was shut up and the cistern was filled in 10 minutes more. Ho

A cistern is normally filled in 8 hrs. but takes 2 hrs. longer to fill because of a leak in its bottom. If the cistern is full, the leak will empty it in ?

A water tank is 2/5th full pipe A can fill the tank in 10 minutes and the pipe B can empty it in 6 minutes. If both the pipes are open, how long will it take to empty or fill the tank completely ?

Two pipes X and Y can fill a cistern in 24 min. and 32 min. respectively. If both the pipes are opened together, then after how much time Y should be closed so that the tank is full in 18 minutes ?

A cistern is normally filled in 8 hours but takes two hours longer to fill because of a leak in its bottom. If the cistern is full, the leak will empty it in ?

A leak in the bottom of a tank can empty the full tank in 6 hours. An Inlet pipe fills water at the rate of 4 litres per minute. When the tank is full, the Inlet is opened and due to the leak the tank

A pipe can fill a cistern in 12 minutes and another pipe can fill it in 15 minutes, but a third pipe can empty it in 6 minutes. The first two pipes are kept open for 5 minutes in the beginning and the

Bucket P has thrice the capacity as bucket Q. It takes 80 turns for bucket P to fill the empty drum. How many turns it will take for both the buckets P and Q, having each turn together to fill the emp

Two pipes A and B can fill a tank in 12 and 24 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank?

Two pipes A and B can fill a tank in 2 and 6 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank?

A tank has three inlets A, B and C. C takes twice the time taken by A to fill the tank and B takes half the time taken by A to fill the tank. If they can fill the tank together in 4

Two pipes A and B can fill a tank in 20 minutes when opened simultaneously. If pipe A alone takes 60 minutes to fill the tank, how much time will pipe B alone take to fill the

Two taps A and B can fill a bathtub in 10 minutes and 15 minutes respectively. If A was open for the first two minutes, B for the next two minutes and so on, the bathtub is

Pipe A and Pipe B can fill a tank in 1 hour and 1 ¼ hours respectively. Both pipes are opened in the beginning and after some time, pipe B is closed. The tank is filled in 40

A pipe can fill a tank in an hour. Because of a leak, it took 1 hour and 10 minutes to fill the tank. Find the time taken by the leak to drain all the water in the tank.

Pipe A and Pipe B can fill a tank in 20 minutes and 10 minutes respectively. Pipe C can empty the tank in 15 minutes. If the three pipes are opened simultaneously, find the

Three pipes, A, B, & C are attached to a tank. A & B can fill it in 20 & 30 minutes respectively while C can empty it in 15 minutes. If A, B & C are kept open successively for 1 minute each, how soon

Pipes P and Q can empty a tank in 1 hr and 1.5 hrs respectively. Pipes R and S can fill a tank in 2 hrs and 2.5 hrs respectively. The tank is filled to its capacity of 15 liters and all

Pipe A and Pipe B can fill a tank in 20 minutes and 30 minutes respectively. Pipe C can empty the tank in 60 minutes. The tank is initially empty. Both the pipes A and B are

An inlet pipe fills a tank at the rate of 5 litres of water a minute. An outlet connected to the tank can empty a full tank in 5 hours. Both the pipes are opened together for 30

A tank is filled in 5 hours by three pipes A,B and C. The pipe C is twice as fact as B and B is twice as fact as A . How much time will pipe A along take to fill the tank ?

Two pipes A and B can fill a tank in 20 and 30 minutes respectively.If both the pipes are used together,then how long will it take to fill the tank ?

A cistern can be filled by a tap in 4 hours while it can be emptied by another tap in 9 hours.If both the taps are opened simultaneously,then after how much time will the cistern get filled ?

A tap can fill a tank in 6 hours.After half the tank is filled,three more similar taps are opened.What is the total time taken to fill the tank completely ?

A water tank is two-fifth full.Pipe A can fill a tank in 10 minutes and pipe B can empty it in 6 minutes.If both the pipes are open,how long will it take to empty or fill the tank completely ?

A tap can fill a tank in 15 minutes, while another tap can empty the tank in 20 minutes. When the tank is already half full, both the taps are opened together. The tank will be filled up completely in

Three pipes A, B and C can fill a tank in 6 hours. After working at it together for 2 hours, C is closed and A and B can fill the remaining part in 7 hours. The number of hours taken by C alone to fil

A leak in the bottom of a tank can empty the full tank in 8 hours. An inlet pipe fills water at the rate of 6 litres a minute. When the tank is full, the inlet is opened and due to the leak, the tank

Two pipes A and B can fill a cistern in 12 minutes and 15 minutes respectively while a third pipe C can empty the full tank in 6 minutes. A and B are kept open for 5 minutes in the beginning and then

Two pipes A and B can fill a tank in 15 hours and 20 hours respectively while a third pipe C can empty the full tank in 25 hours. All the three pipes are opened in the beginning. After 10 hours, C is

Two pipes A and B can fill a tank in 12 minutes and 15 minutes respectively. If both the taps are opened simultaneously, and the tap A is closed after 3 minutes, then how much more time will it take t

Bucket P has thrice the capacity as bucket Q. It takes 60 turns for bucket P to fill the empty drum. How many turns it will take for both the buckets P and Q, having each turn together to fill the emp

12 buckets of water fill a tank when the capacity of each tank is 13.5 litres. How many buckets will be needed to fill the same tank, if the capacity of each bucket is 9 litres ?

A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The second pipe

A tank is filled in 5 hours by three pipes A, B and C. The pipe C is twiceNas fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank ?

Two pipes A arid B can separately fill a cistern in 60 minutes and 75 minutes respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously op

A water tank is two-fifth full. Pipe A can fill a tank in 10 minutes and pipe B can empty it in 6 minutes. If both the pipes are open, how long will it take to empty or fill the tank completely ?

A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely ?

Pipe A can fill a tank in 5 hours, pipe B in 10 hours and pipe C in 30 hours. If all the pipes ,are open, in how many hours will the tank be filled ?

A cistern can be filled by a tap in 4 hours while it car be emptied by another tap in 9 hours. If both the taps are opened simultaneously then after how much time will the cistern get filled?

Two pipes A and B can fill a cistern in 37½ minutes and 45 minutes respectively. Both pipes are opened. The cistern will be filled in just half an hour, if the pipe B is turned off after :

Three taps A, B and C can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capac

A large tanker can be filled by two pipes A and B in 60 minutes and 40 minutes 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

A tank is filled in 5 hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank

Two pipes A and B can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank ?

Two pipes C and D can fill a tank in 36 hours and 45 hours respectively. If both the pipes are opened simultaneously, how much time will be taken to fill the tank?

Two pipes can till a tank in 10 hours and 12 hours respectively while a third pipe empties the full tank in 20 hours. If all the three pipes operate simultaneously, in how much time will the tank be f

An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it took 3 (1/2)hours to fill the tank. If the tank is full, how much time will the leak take to empty it ?

Two pipes can Gil a cistern in 14 hours and 16 hours respectively. The pipes are opened simultaneously and it is found that due to leakage in the bottom it took 32 minutes more to fill the cistern. Wh