320 + Mcqs in Pipes And Cistern Page 3 McqOptions

101.	Two pipes A and B can Gil a tank in 36 min. and 45 min. respectively. A water pipe C can empty the tank in 30 min. First A and B are opened. After 7 minutes, C is also opened. In how much time, the ta
A.	30 minutes
B.	40 minutes
C.	46 minutes
D.	39 minutes
Answer» D. 39 minutes

Discussion

102.	Two pipes A and B can 611 a tank in 24 min. and 32 min. respectively. If both the pipes are opened simultaneously, after how much time B should be closed so that the tank is full in 18 minutes ?
A.	10 min
B.	15 min
C.	5 min
D.	8 min
Answer» E.

Discussion

103.	A cistern which could be filled in 9hours takes one hour more to be filled owing to a leak in its bottom.If the cistern is full,in what time will the leak empty it?
A.	70hours
B.	80hours
C.	90hours
D.	100hours
Answer» D. 100hours

Discussion

104.	Two pipes P and Q can fill a cistern in 12 and 15minutes respectively.Both are opened together,but at the end of 3minutes the first is turned off.How much longer will the cistern take to fill?
A.	8(1/4)
B.	11(1/4)
C.	7(1/4)
D.	15(1/4)
Answer» B. 11(1/4)

Discussion

105.	A tank can be filled separately by two taps A and B in 45 minutes and 36 minutes respectively. A tap C at the bottom can empty the full cistern in 30 minutes.If the tap C is opened 7 minutes after the
A.	46mints
B.	25mints
C.	14mints
D.	None of these
Answer» B. 25mints

Discussion

106.	Two pipes A and B can fill a tank in 36hours and 45hours respectively.If both the pipes are opened simultaneously,how much time will be taken to fill the tank?
A.	10hours
B.	20hours
C.	15hours
D.	None of these
Answer» C. 15hours

Discussion

107.	A pipe can fill a tank in 15hours. Due to a leak in the bottom, it is filled in 20hours. If the tank is full, how much time will the leak take to empty it?
A.	13hours
B.	20hours
C.	60hours
D.	None of these
Answer» D. None of these

Discussion

108.	There is a leak in the bottom of a cistern. When the cistern had no leak, it was filled in 2(1/2) hours. If now takes half an hour longer. If the cistern is full of water , how long would it take in l
A.	10hours 10min
B.	11hours 15min
C.	9hours
D.	15hours 10min
Answer» C. 9hours

Discussion

109.	Pipe A can fill a tank in 20 hours while pipe B alone can fill it in 30 hours and pipe C can empty the full tank in 40 hours. Ifall the pipes 1 are opened together, how much time will be needed to mak
A.	15(1/2)hours
B.	17(1/7)hours
C.	10hours
D.	5(1/8)hours
Answer» C. 10hours

Discussion

110.	Two pipes A and B would fill a cistern in 20 and 34minutes respectively.Both pipes being opened,find when the first pipe must be turned off so that the cistern may be just filled in 17minutes?
A.	10min
B.	30min
C.	17min
D.	34min
Answer» B. 30min

Discussion

111.	Pipe A and B can fill a tank in 10hours and 15hours respectively.Both together can fill it in?
A.	6hours
B.	7hours
C.	8hours
D.	9hours
Answer» B. 7hours

Discussion

112.	A cistern is normally filled in 8hours but takes two hours longyer to fill because of a leak in its bottom.If the cistern is full,the leak will empty it in?
A.	20hours
B.	30hours
C.	40hours
D.	50hours
Answer» D. 50hours

Discussion

113.	A tap can fill a tank in 12hours,whereas another can empty it in 18hours.If both the taps are opened simultaneously,how much time will the tank take to fill?
A.	36hours
B.	72hours
C.	18hours
D.	12hours
Answer» B. 72hours

Discussion

114.	Two taps can fill a tank in 2hours and 3hours respectively.If both of them are opened at the same time, the tank will be filled up in?
A.	2hours 12min
B.	1hour 12min
C.	5hours
D.	None of these
Answer» E.

Discussion

115.	When the waste pipe is closed, two taps can separately fill a cistern in 10 and I2 minutes respectively.When the waste pipe is open they together fill it in I5 minutes. How long does it take waste pip
A.	8min 34sec
B.	7min 10sec
C.	12min
D.	10min
Answer» B. 7min 10sec

Discussion

116.	Two pipes A and B can fill a cistern in 1 hour and 75 minutes respectively. There is also an outlet C. If all the three pipes are opened together, the tank is full in 50 minutes. How much time will b
A.	1/100
B.	2/50
C.	1/80
D.	None of these
Answer» B. 2/50

Discussion

117.	In what time would a cistern be filled by three pipes whose diametres are 1cm, 1(1/3)cm, 2cm, running together, when the largest alone will fill it in 61 minutes, the amount of water flowing in by ea
A.	36mints
B.	30mints
C.	25mints
D.	None of these
Answer» B. 30mints

Discussion

118.	Two pipes A and B can fill up a tank in 6 minutes and 7minutes respectively.If they are opened for one minute alternately,A beginning,in how much time will they fill up the tank?
A.	6(3/7)mints
B.	7mints
C.	6mints
D.	3mints
Answer» B. 7mints

Discussion

119.	There is a leak in the bottom of a cistern. When the cistern is thoroughly repaired it would be filled in 3(1/2)hrs.It now takes half an hour longer. If the cistern is full, how long would the leak ta
A.	25hrs
B.	30hrs
C.	28hrs
D.	None of these
Answer» D. None of these

Discussion

120.	Two pipes A and B can fill a tank in 24 minutes and 32 minutes respectively. If both the pipes are opened simultaneously, after how much time should B be closed so that the tank is full in 18 minutes?
A.	8min
B.	10min
C.	5min
D.	20min
Answer» B. 10min

Discussion

121.	Two pipes P and Q would fill a cistern in 24 hours and 32 hours respectively. If both pipes are opened together, find when the first pipe must be turned off so that the cistern may be just filled in 1
A.	12hrs
B.	10hrs
C.	15hrs
D.	5hrs
Answer» B. 10hrs

Discussion

122.	If two pipes function simultaneously, the reservoir is filled in 12 hrs.One pipe fills the reservoir 10 hours faster than the other.How many hours does the faster pipe take to fill the reservoir?
A.	25hrs
B.	20hrs
C.	30hrs
D.	15hrs
Answer» C. 30hrs

Discussion

123.	Three pipes A, B and C can fill a cistern in 6 hrs. After working together for 2 hours, C is closed and A and B fill the cistern in 8 hrs.Then, find the time in which the cistern can be filled by pipe
A.	12hrs
B.	15hrs
C.	20hrs
D.	10hrs
Answer» B. 15hrs

Discussion

124.	A tank has a leak which would empty it in 8 hrs. A tap is turned on which admits 6 litres a minutes into the tank, and it is now emptied in I2 hrs. How many litres does the tank hold?
A.	7450litrs
B.	6575ltrs
C.	8740litrs
D.	8640litrs
Answer» E.

Discussion

125.	A tank is normally filled in 8 hours but takes 2 hrs longer to fill because of a leak in its bottom. If the cistern is full, in how many hrs will the leak empty it?
A.	40hrs
B.	20hrs
C.	25hrs
D.	None of these
Answer» B. 20hrs

Discussion

126.	A pipe can fill a tank in 12 minutes and another pipe 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 then the third pip
A.	15mints
B.	30mints
C.	20mints
D.	45mints
Answer» E.

Discussion

127.	If three taps are opened together, a tank is filled in 12 hrs. One of the taps can fill it in 10 hrs and another in 15 hrs. How does the third tap work?
A.	12hrs
B.	5hrs
C.	8hrs
D.	10hrs
Answer» B. 5hrs

Discussion

128.	A, B and C are three pipes connected to a tank. A and B together fill the tank in 6 hrs. Band C together fill the tank in 10hrs. A and C together fill the tank in 72 hrs.ln how much time will A, B and
A.	30hrs
B.	20hrs
C.	10hrs
D.	40hrs
Answer» B. 20hrs

Discussion

129.	Two pipes can separately fill a tank in 20 hrs and 30 hrs respectively.Both the pipes are opened to fill the tank but when the tank is 1/3rd full a leak develops in the tank through which 1/3rd of the
A.	18hrs
B.	25hrs
C.	30hrs
D.	16hrs
Answer» E.

Discussion

130.	A cistern is normally filled in 8 hrs but takes two hrs longer to fill because of a leak in its bottom. If the cistern is full, the leak will empty it in_______________hrs.
A.	50hrs
B.	20hrs
C.	40hrs
D.	None of these
Answer» D. None of these

Discussion

131.	Pipes A and B can fill a tank in l 0 hours and 15 hours respectively.Both together can fill it in _____________ hrs.
A.	8hrs
B.	6hrs
C.	5hrs
D.	2hrs
Answer» C. 5hrs

Discussion

132.	A tap can fill the cistern in 8 hours and another can empty it in I6 hours.If both the taps are opened simultaneously,the time(in hours) to fill the tank is_____________.
A.	16hrs
B.	20hrs
C.	10hrs
D.	12hrs
Answer» B. 20hrs

Discussion

133.	A pipe can fill a tank in x hours and another can empty it in y hours.They can together fill it in (y > x)________________.
A.	xy/(y-x)hrs
B.	(x+y)/xyhrs
C.	(x*y)/(x+y)hrs
D.	None of these
Answer» B. (x+y)/xyhrs

Discussion

134.	One tap can fill a cistern in 2 hours and another can empty the cistern in 3 hrs. How long will they take to fill the cistern ifboth the taps are opened?
A.	6hrs
B.	8hrs
C.	4hrs
D.	None of these
Answer» B. 8hrs

Discussion

135.	A cistern can be filled by two pipes A and B in 4 hours and 6 hours respectiA+vely. When full, the tank can be emptied by a third pipe C in 8 hours. If all the taps be turned on at the same time, the
A.	6hrs
B.	4(4/7)hrs
C.	2(1/7)hrs
D.	3(3/7)hrs
Answer» E.

Discussion

136.	A tank is filled by pipe A in 32 minutes and pipe Bin 36 minutes.When full,it can be emptied by a pipe C in 20 minutes. If all the three pipes are opened simultaneously, half of the tank will be fill
A.	40(7/5)hrs
B.	65hrs
C.	55(5/13)hrs
D.	None of these
Answer» B. 65hrs

Discussion

137.	If two pipes function simultaneously, the reservoir will be filled in 6 hours. One pipe fills the reservoir 5 hours faster than the other. How many hours does the faster pipe take to fill the reservoi
A.	5hrs
B.	8hrs
C.	10hrs
D.	12hrs
Answer» D. 12hrs

Discussion

138.	Three pipes A, B and C can fill a cistern in 6 hours. After working at it together for 2 hours, C is closed and A and B can fillit in 7 hours. The time taken by C alone to fill the cistern is
A.	10hrs
B.	5hrs
C.	14hrs
D.	1hr
Answer» D. 1hr

Discussion

139.	A cistern has a leak which would empty it in 8 hours. A tap is turned on which admits 6 Jitres a minute into the cistern, and itis now emptied in I 2 hours. How many litres does the cistern hold?
A.	8640litrs
B.	7650litrs
C.	5612litrs
D.	None of these
Answer» B. 7650litrs

Discussion

140.	A cistern has two taps which fill it in I 2 min and I 5 min respectively.There is also a waste pipe in the cistern. When all the pipes are opened, the empty cistern is full in 20 min. How long will th
A.	10mints
B.	5mints
C.	6mints
D.	8mints
Answer» E.

Discussion

141.	A tank can be filled by one tap in 20 min. and by another in 25 min.Both the taps are kept open for 5 min. and then the second is turned off. In how many minutes more will the tank be completely fille
A.	11mints
B.	10mints
C.	20mints
D.	15mints
Answer» B. 10mints

Discussion

142.	One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in :
A.	144 min
B.	146 min
C.	148 min
D.	150 min
Answer» B. 146 min

Discussion

143.	Two pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hours more than A to fill the cistern. How much time will be taken by A to fill the
A.	2 hrs
B.	4 hrs
C.	6 hrs
D.	8 hrs
Answer» D. 8 hrs

Discussion

144.	Two pipes A and 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 ope
A.	25 min
B.	50 min
C.	75 min
D.	100 min
Answer» E.

Discussion

145.	Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the talk will be filled in :
A.	3 9/17 hrs
B.	4 9/19 hrs
C.	5 2/17 hrs
D.	4 8/17 hrs
Answer» B. 4 9/19 hrs

Discussion

146.	Two taps can separately fill a cistern in I 0 minutes and I 5 minutes respectively and when the waste pipe is open, they can together fill it iri I 8 minutes. The waste pipe can empty the full cistern
A.	9mints
B.	6mints
C.	10mints
D.	2mints
Answer» B. 6mints

Discussion

147.	Two pipes X andY can fill a cistern in 24 min. and 32 min. respectively.If both the pipes are opened together, then after how much time should Y be closed so that the tank is full in 18 minutes?
A.	8mints
B.	5mints
C.	10mints
D.	None of these
Answer» B. 5mints

Discussion

148.	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.	5560litrs
B.	2460litrs
C.	4560litrs
D.	5760litrs
Answer» E.

Discussion

149.	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 liters 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

150.	One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 min, then the slower alone will be able to fill the tank in:
A.	81 min
B.	108 min
C.	144 min
D.	192 min
Answer» D. 192 min

Discussion

Explore topic-wise MCQs in Arithmetic Ability.

Two pipes A and B can Gil a tank in 36 min. and 45 min. respectively. A water pipe C can empty the tank in 30 min. First A and B are opened. After 7 minutes, C is also opened. In how much time, the ta

Two pipes A and B can 611 a tank in 24 min. and 32 min. respectively. If both the pipes are opened simultaneously, after how much time B should be closed so that the tank is full in 18 minutes ?

A cistern which could be filled in 9hours takes one hour more to be filled owing to a leak in its bottom.If the cistern is full,in what time will the leak empty it?

Two pipes P and Q can fill a cistern in 12 and 15minutes respectively.Both are opened together,but at the end of 3minutes the first is turned off.How much longer will the cistern take to fill?

A tank can be filled separately by two taps A and B in 45 minutes and 36 minutes respectively. A tap C at the bottom can empty the full cistern in 30 minutes.If the tap C is opened 7 minutes after the

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

A pipe can fill a tank in 15hours. Due to a leak in the bottom, it is filled in 20hours. If the tank is full, how much time will the leak take to empty it?

There is a leak in the bottom of a cistern. When the cistern had no leak, it was filled in 2(1/2) hours. If now takes half an hour longer. If the cistern is full of water , how long would it take in l

Pipe A can fill a tank in 20 hours while pipe B alone can fill it in 30 hours and pipe C can empty the full tank in 40 hours. Ifall the pipes 1 are opened together, how much time will be needed to mak

Two pipes A and B would fill a cistern in 20 and 34minutes respectively.Both pipes being opened,find when the first pipe must be turned off so that the cistern may be just filled in 17minutes?

Pipe A and B can fill a tank in 10hours and 15hours respectively.Both together can fill it in?

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

A tap can fill a tank in 12hours,whereas another can empty it in 18hours.If both the taps are opened simultaneously,how much time will the tank take to fill?

Two taps can fill a tank in 2hours and 3hours respectively.If both of them are opened at the same time, the tank will be filled up in?

When the waste pipe is closed, two taps can separately fill a cistern in 10 and I2 minutes respectively.When the waste pipe is open they together fill it in I5 minutes. How long does it take waste pip

Two pipes A and B can fill a cistern in 1 hour and 75 minutes respectively. There is also an outlet C. If all the three pipes are opened together, the tank is full in 50 minutes. How much time will b

In what time would a cistern be filled by three pipes whose diametres are 1cm, 1(1/3)cm, 2cm, running together, when the largest alone will fill it in 61 minutes, the amount of water flowing in by ea

Two pipes A and B can fill up a tank in 6 minutes and 7minutes respectively.If they are opened for one minute alternately,A beginning,in how much time will they fill up the tank?

There is a leak in the bottom of a cistern. When the cistern is thoroughly repaired it would be filled in 3(1/2)hrs.It now takes half an hour longer. If the cistern is full, how long would the leak ta

Two pipes A and B can fill a tank in 24 minutes and 32 minutes respectively. If both the pipes are opened simultaneously, after how much time should B be closed so that the tank is full in 18 minutes?

Two pipes P and Q would fill a cistern in 24 hours and 32 hours respectively. If both pipes are opened together, find when the first pipe must be turned off so that the cistern may be just filled in 1

If two pipes function simultaneously, the reservoir is filled in 12 hrs.One pipe fills the reservoir 10 hours faster than the other.How many hours does the faster pipe take to fill the reservoir?

Three pipes A, B and C can fill a cistern in 6 hrs. After working together for 2 hours, C is closed and A and B fill the cistern in 8 hrs.Then, find the time in which the cistern can be filled by pipe

A tank has a leak which would empty it in 8 hrs. A tap is turned on which admits 6 litres a minutes into the tank, and it is now emptied in I2 hrs. How many litres does the tank hold?

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

A pipe can fill a tank in 12 minutes and another pipe 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 then the third pip

If three taps are opened together, a tank is filled in 12 hrs. One of the taps can fill it in 10 hrs and another in 15 hrs. How does the third tap work?

A, B and C are three pipes connected to a tank. A and B together fill the tank in 6 hrs. Band C together fill the tank in 10hrs. A and C together fill the tank in 72 hrs.ln how much time will A, B and

Two pipes can separately fill a tank in 20 hrs and 30 hrs respectively.Both the pipes are opened to fill the tank but when the tank is 1/3rd full a leak develops in the tank through which 1/3rd of the

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

Pipes A and B can fill a tank in l 0 hours and 15 hours respectively.Both together can fill it in _____________ hrs.

A tap can fill the cistern in 8 hours and another can empty it in I6 hours.If both the taps are opened simultaneously,the time(in hours) to fill the tank is_____________.

A pipe can fill a tank in x hours and another can empty it in y hours.They can together fill it in (y > x)________________.

One tap can fill a cistern in 2 hours and another can empty the cistern in 3 hrs. How long will they take to fill the cistern ifboth the taps are opened?

A cistern can be filled by two pipes A and B in 4 hours and 6 hours respectiA+vely. When full, the tank can be emptied by a third pipe C in 8 hours. If all the taps be turned on at the same time, the

A tank is filled by pipe A in 32 minutes and pipe Bin 36 minutes.When full,it can be emptied by a pipe C in 20 minutes. If all the three pipes are opened simultaneously, half of the tank will be fill

If two pipes function simultaneously, the reservoir will be filled in 6 hours. One pipe fills the reservoir 5 hours faster than the other. How many hours does the faster pipe take to fill the reservoi

Three pipes A, B and C can fill a cistern in 6 hours. After working at it together for 2 hours, C is closed and A and B can fillit in 7 hours. The time taken by C alone to fill the cistern is

A cistern has a leak which would empty it in 8 hours. A tap is turned on which admits 6 Jitres a minute into the cistern, and itis now emptied in I 2 hours. How many litres does the cistern hold?

A cistern has two taps which fill it in I 2 min and I 5 min respectively.There is also a waste pipe in the cistern. When all the pipes are opened, the empty cistern is full in 20 min. How long will th

A tank can be filled by one tap in 20 min. and by another in 25 min.Both the taps are kept open for 5 min. and then the second is turned off. In how many minutes more will the tank be completely fille

One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in :

Two pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hours more than A to fill the cistern. How much time will be taken by A to fill the

Two pipes A and 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 ope

Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the talk will be filled in :

Two taps can separately fill a cistern in I 0 minutes and I 5 minutes respectively and when the waste pipe is open, they can together fill it iri I 8 minutes. The waste pipe can empty the full cistern

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

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 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 liters a minute. When the tank is full, the inlet is opened and due to the leak, the tank

One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 min, then the slower alone will be able to fill the tank in: