1728 + Mcqs in Time and Work in General Aptitude Page 2 McqOptions

51.	Pipe A can fill a tank in 16 minutes and pipe B empties it in 24 minutes. If both the pipes are opened together, after how many minutes should B be closed, so that the tank is filled in 30 minutes?
A.	21 minutes
B.	20 minutes
C.	18 minutes
D.	15 minutes
Answer» B. 20 minutes

Discussion

52.	A is twice as good as a workman as B. And together, they finish a piece of work in 20 days. In how many days, will A alone finish the work?
A.	30 days
B.	25 days
C.	26 days
D.	28 days
Answer» B. 25 days

Discussion

53.	P and Q together can do a work in 12 days. P alone can do the same work in 18 days. In how many days can Q alone complete two-third part of the same work?
A.	21days
B.	30days
C.	24days
D.	36days
Answer» D. 36days

Discussion

54.	If 18 men can finish a job in 26 days, then, in how many days will 13 men finish the same job?
A.	25 days
B.	22 days
C.	19 days
D.	36 days
Answer» E.

Discussion

55.	Pipe A can fill a tank of capacity 350 liters in \(3\frac{1}{2}\) minutes. Pipe B can fill a tank of capacity 780 liters in \(8\frac{2}{3}\) minutes. How long (in min) will it take to fill a tank of capacity 1615 liters, if both pipes are opened together?
A.	\(7\frac{1}{2}\)
B.	\(8\frac{1}{2}\)
C.	9
D.	8
Answer» C. 9

Discussion

56.	A alone can do a work in 20 days. A and B together can do the same work in 15 days. B and C together can do the same work in \(\frac{{75}}{2}\) days. What is the ratio of the efficiency of A, B and C in terms of doing the work?
A.	5 : 3 : 1
B.	5 : 4 : 3
C.	10 : 4 : 1
D.	15 : 5 : 3
Answer» E.

Discussion

57.	It is given that men are twice as efficient than women in respect of doing a work. If three men and two women can complete the work in 2 days, then in how many days can a woman working alone complete the work?
A.	8
B.	16
C.	13
D.	12
Answer» C. 13

Discussion

58.	A and B together can do a piece of work in 10 days, B and C together can do it in 15 days while C and A together can do it in 20 days. They work together for 8 days. C alone will complete the remaining work in:
A.	12 days
B.	\(3\frac{1}{5}\) days
C.	16 days
D.	\(5\frac{1}{3}\) days
Answer» D. \(5\frac{1}{3}\) days

Discussion

59.	A can do a piece of work in 40 days. B does the same work with 60% more efficiency. How many days will B take to complete the work alone?
A.	30 days
B.	18 days
C.	15 days
D.	25 days
Answer» E.

Discussion

60.	Radha can paint 35 paintings in 25 days. In how many days can she paint 55 paintings?
A.	\(40{1 \over 4}\) days
B.	\(39{2 \over 7}\) days
C.	\(33{1\over3}\)days
D.	\(32{1 \over 3}\) days
Answer» C. \(33{1\over3}\)days

Discussion

61.	A and B, working together, can be complete a work in 16 days, C and A together can complete in 32 days, B and C together can complete it in 24 days. They worked together for 12 days. In how many days will C alone complete the remaining work?
A.	40
B.	32
C.	36
D.	45
Answer» D. 45

Discussion

62.	A and B can complete a piece of work together in 20 days. They start work together but A had to leave 5 days before the work finally got over. If B finishes the remaining in 18 days, then how long will B take to complete the work separately.
A.	72 days
B.	64 days
C.	100 days
D.	120 days
Answer» B. 64 days

Discussion

63.	Mahesh, Suresh, and Ramesh can complete a job in 12 days, 15 days, and 30 days respectively. They worked together and completed it. Out of the total amount paid to them after completing it. Mahesh’s share was Rs. 300. Find the total amount (in rupees) paid to them.
A.	420
B.	400
C.	480
D.	660
Answer» E.

Discussion

64.	A can complete \(33\frac{1}{3}\)% of a work in 5 days and B can complete 40% of the same work in 10 days. They work together for 5 days and then B left the work. A alone will complete the remaining work in:
A.	\(7\frac{1}{2} \) days
B.	5 days
C.	7 days
D.	\(5\frac{1}{2} \) days
Answer» D. \(5\frac{1}{2} \) days

Discussion

65.	A certain number men agreed to do a work in 20 days. 5 men did not come for work. Others completed the work in 40 days. Find the number of men who had agreed to do the work originally?
A.	8
B.	10
C.	12
D.	15
Answer» C. 12

Discussion

66.	A can finish a work in 15 days and B can do the same work in twice the time taken by A. Then, working together, what part of the same work they can finish in five days?
A.	1/2
B.	4/5
C.	1/3
D.	1/5
Answer» B. 4/5

Discussion

67.	A pipe, working at full speed, can fill an empty cistern in 1 hour. However, during the first hour it worked at one-twenty-fourth of its capacity, during the second hour at one-twelfth of its capacity, during the third hour at one-eighth of its usual capacity, during the fourth hours at one-fourth of its usual capacity and during the fifth hour it was only one-half as efficient as it was supposed to be. A second pipe also displayed similar performance, but if it worked at full speed would have filled the empty cistern in 2 hours. Together with a drain pipe that drained water out of the tank a constant rate, the empty cistern could be filled in 5 hours, all the three pipe working concurrently. How many hours will it take the drain pipe to empty the filled cistern if no other pipe was functioning during the time?
A.	10
B.	12
C.	16
D.	8
Answer» B. 12

Discussion

68.	Pipe A can fill an empty cistern in 5 hours while Pipe B takes 6.25 hours to fill it. The two pipes are opened simultaneously when the cistern is empty, but Pipe B is turned off after some time as a result of which the cistern is filled in 3.4 hours. For how many hours was Pipe B opened?
A.	1.5
B.	1
C.	2
D.	2.5
Answer» D. 2.5

Discussion

69.	A is 1.5 times as efficient as B. A & B together complete the work in 12 days. In how many days, A alone can complete the work?
A.	20 days
B.	26 days
C.	24 days
D.	27 days
Answer» B. 26 days

Discussion

70.	A and B can do a piece of work in 12 days, C and A in 20 days and B and C in 15 days, then in how many days will they finish it working together?
A.	15 days
B.	5 days
C.	20 days
D.	10 days
Answer» E.

Discussion

71.	A, B and C can do a piece of work in 30 days, 45 days and 90 days, respectively. A starts the work and he is assisted by B and C together every third day. In how many days will the work be completed?
A.	\(22\frac{1}{2}\)
B.	24
C.	23
D.	30
Answer» D. 30

Discussion

72.	A is 20% more efficient than B. If B alone can complete a piece of work in 12 days, then A alone can complete the same work in how many days?
A.	10
B.	12
C.	14
D.	16
Answer» B. 12

Discussion

73.	A and B undertook to do a piece of work for Rs. 4500. A alone could do it in 8 days and B alone in 12 days. With the assistance of C they finished the work in 4 days. Then C’s share of the money is:
A.	Rs. 2250
B.	Rs. 750
C.	Rs. 1500
D.	Rs. 375
Answer» C. Rs. 1500

Discussion

74.	120 men consume 720 kg of rice in 30 days. In how many days can 90 men consume 270 kg?
A.	18
B.	12
C.	9
D.	15
Answer» E.

Discussion

75.	Five Men can paint a building in 20 days, 8 Women can paint the same building in 25 days and 10 Boys can paint it in 30 days. If a team has 2 Men, 6 Women and 5 Boys, how long will it take to paint the building ?
A.	12 days
B.	13 days
C.	14 days
D.	15 days
Answer» E.

Discussion

76.	A tank is normally filled in 4 hours. But it takes 5 hours to fill, when there is a leak at the bottom of the tank.If the tank is full, in how many hours can it be emptied by the leak?
A.	12
B.	20
C.	10
D.	15
Answer» C. 10

Discussion

77.	15 men or 18 women can complete a piece of work in 45 days. If 5 men and 6 women work together then the work will be completed in:
A.	\(53\dfrac{1}{2}\) days
B.	75 days
C.	48 days
D.	\(67\dfrac{1}{2}\) days
Answer» E.

Discussion

78.	If 12 persons working 12 hours a day dig 12 meters of a tunnel in 12 days how many men are required to dig additional 4 meter of the tunnel (of the same dimension) given that they work 4 hours a day for 4 day?
A.	27
B.	4
C.	12
D.	36
Answer» E.

Discussion

79.	A tank is 3/5 full. Pipe A can fill a tank in 10 min and Pipe B can empty it in 6 min. If both the pipes are left open, how long will it take to empty the tank completely?
A.	12 min
B.	5 min
C.	7 min
D.	9 min
Answer» E.

Discussion

80.	16 men built a model in 35 days. How many days would it take for 25 men?
A.	22.2
B.	22.1
C.	22
D.	22.4
Answer» E.

Discussion

81.	Mr. Rajesh is twice as good a worker as Mr. Vishal and together they finish a piece of work in 28 days. In how many days will Vishal alone finish the work?
A.	56
B.	112
C.	84
D.	80
Answer» D. 80

Discussion

82.	A tube has two punctures. First puncture empties the tank in 29 mins and second puncture empties the tank in 6 minutes. If the leakage is at certain rate, then find the time taken by both punctures to empty the tank. A. \(\dfrac{34}{35}\)B. \(3 \dfrac{34}{35}\)C. \(4\dfrac{33}{35}\)D. \(4\dfrac{34}{35}\)
A.	D
B.	A
C.	C
D.	B
Answer» B. A

Discussion

83.	One fourth of a tank can be filled in 3 hours by pipe A and one-third of the same tank can be filled in 2 hours by pipe B. How long will it take for the tank to be filled if both the pipes are kept open?
A.	5 h
B.	2 h
C.	4 h
D.	\(2\frac{1}{2}{\rm{h}}\)
Answer» D. \(2\frac{1}{2}{\rm{h}}\)

Discussion

84.	A can complete a task in 8 days and B in 16 days respectively. If they work together for 3 days, then the remaining part of the work left is:
A.	\(\frac{5}{{16}}\)
B.	\(\frac{9}{{16}}\)
C.	\(\frac{7}{{16}}\)
D.	\(\frac{11}{{16}}\)
Answer» D. \(\frac{11}{{16}}\)

Discussion

85.	A can complete some work in 35 days and B can complete the same work in 15 days. They worked together for 8 days, then B left the work. In how many days will A alone complete 60% of the remaining work?
A.	5
B.	8
C.	10
D.	15
Answer» B. 8

Discussion

86.	A alone can complete a task in 3 days and B alone can complete the same task in 6 days. In how many days can A and B complete it together?
A.	2
B.	6
C.	1
D.	3
Answer» B. 6

Discussion

87.	A, B and C can do a piece of work in 36, 54 and 72 days respectively. They started the work but A left 8 days before the completion of the work while B left 12 days before the completion. The number of days for which C worked is
A.	4
B.	8
C.	12
D.	24
Answer» E.

Discussion

88.	Ram and Shyam work on a job together for four days and complete 60% of it. Ram takes leave then and Shyam works for eight more days to complete the job. How long would Ram take to complete the entire job alone?
A.	6 days
B.	8 days
C.	10 days
D.	11 days
Answer» D. 11 days

Discussion

89.	Out of three pipes the first two can fill an empty tank in 9 hours and 18 hours, respectively while the third can drain the filled tank in 15 hours. If all the three pipes are opened when the tank is empty, after how many hours will the tank be full?
A.	10
B.	12
C.	11
D.	13
Answer» B. 12

Discussion

90.	A can complete a piece of work in 40 days and B is 30% more efficient than A. In how many days will the work be completed, if both are working together?
A.	600/23
B.	400/23
C.	500/23
D.	380/23
E.	None of these
Answer» C. 500/23

Discussion

91.	P alone can complete the work in 5 days, Q alone can do same work in 6 days and R alone can do the same work in 12 days. They jointly complete the work and earn Rs 5400. What is the share of R?
A.	1000
B.	1200
C.	1500
D.	1800
Answer» B. 1200

Discussion

92.	A alone can do a piece of work in 12 days and B alone in 16 days. They undertook to do the work for ₹350. How much will B get?
A.	₹150
B.	₹200
C.	₹250
D.	₹180
Answer» B. ₹200

Discussion

93.	A can do a work in 12 days and B in 16 days. They undertook to do it for Rs. 6000 with the help of ‘C’ they completed the work in 6 days. What is the share of A?
A.	Rs. 2880
B.	Rs. 3000
C.	Rs. 1440
D.	Rs. 2400
Answer» C. Rs. 1440

Discussion

94.	P, Q and R undertook a work for Rs. 55000. Together P and Q complete (8/11)th part of the work. What is the share (in Rs) of R?
A.	20000
B.	22000
C.	15000
D.	6000
Answer» D. 6000

Discussion

95.	A pipe can fill a tank in 10 minutes while another pipe can empty it in 12 minutes. If the pipes are opened alternately each for 1 minute, beginning with the first pipe. the tank will be full after (in minutes):
A.	90
B.	109
C.	108
D.	120
Answer» C. 108

Discussion

96.	18 men built a tanker in 25 days. How many days would it take for 10 men?
A.	45.2
B.	45.1
C.	46
D.	45
Answer» E.

Discussion

97.	P, Q and R can complete a work in 30 days, 15 days and 20 days respectively. P works on first day, then Q works on second day and then R works on third day and so on. In how many days the work will be Completed?
A.	20 days
B.	21 days
C.	22 days
D.	19 days
Answer» B. 21 days

Discussion

98.	3 men dig a hole in 10 days. How many days would it take for 5 men to dig the same hole?
A.	50/3
B.	7
C.	5
D.	6
Answer» E.

Discussion

99.	Ram completes a work in 16 days, Laxman takes 20 days to complete the same work. They work together for 4 days and then Ram leaves. In how many more days will Laxman complete the work?
A.	16
B.	13
C.	12
D.	11
Answer» E.

Discussion

100.	P, Q and R can complete a work in 20, 15 and 25 days respectively. P, Q and R together took Rs. 9600 to complete the same work. What will be the share (approx.) of Q (in Rs.)?
A.	4085
B.	3675
C.	4500
D.	3375
Answer» B. 3675

Discussion

Explore topic-wise MCQs in General Aptitude.

Pipe A can fill a tank in 16 minutes and pipe B empties it in 24 minutes. If both the pipes are opened together, after how many minutes should B be closed, so that the tank is filled in 30 minutes?

A is twice as good as a workman as B. And together, they finish a piece of work in 20 days. In how many days, will A alone finish the work?

P and Q together can do a work in 12 days. P alone can do the same work in 18 days. In how many days can Q alone complete two-third part of the same work?

If 18 men can finish a job in 26 days, then, in how many days will 13 men finish the same job?

Pipe A can fill a tank of capacity 350 liters in \(3\frac{1}{2}\) minutes. Pipe B can fill a tank of capacity 780 liters in \(8\frac{2}{3}\) minutes. How long (in min) will it take to fill a tank of capacity 1615 liters, if both pipes are opened together?

A alone can do a work in 20 days. A and B together can do the same work in 15 days. B and C together can do the same work in \(\frac{{75}}{2}\) days. What is the ratio of the efficiency of A, B and C in terms of doing the work?

It is given that men are twice as efficient than women in respect of doing a work. If three men and two women can complete the work in 2 days, then in how many days can a woman working alone complete the work?

A and B together can do a piece of work in 10 days, B and C together can do it in 15 days while C and A together can do it in 20 days. They work together for 8 days. C alone will complete the remaining work in:

A can do a piece of work in 40 days. B does the same work with 60% more efficiency. How many days will B take to complete the work alone?

Radha can paint 35 paintings in 25 days. In how many days can she paint 55 paintings?

A and B, working together, can be complete a work in 16 days, C and A together can complete in 32 days, B and C together can complete it in 24 days. They worked together for 12 days. In how many days will C alone complete the remaining work?

A and B can complete a piece of work together in 20 days. They start work together but A had to leave 5 days before the work finally got over. If B finishes the remaining in 18 days, then how long will B take to complete the work separately.

Mahesh, Suresh, and Ramesh can complete a job in 12 days, 15 days, and 30 days respectively. They worked together and completed it. Out of the total amount paid to them after completing it. Mahesh’s share was Rs. 300. Find the total amount (in rupees) paid to them.

A can complete \(33\frac{1}{3}\)% of a work in 5 days and B can complete 40% of the same work in 10 days. They work together for 5 days and then B left the work. A alone will complete the remaining work in:

A certain number men agreed to do a work in 20 days. 5 men did not come for work. Others completed the work in 40 days. Find the number of men who had agreed to do the work originally?

A can finish a work in 15 days and B can do the same work in twice the time taken by A. Then, working together, what part of the same work they can finish in five days?

Pipe A can fill an empty cistern in 5 hours while Pipe B takes 6.25 hours to fill it. The two pipes are opened simultaneously when the cistern is empty, but Pipe B is turned off after some time as a result of which the cistern is filled in 3.4 hours. For how many hours was Pipe B opened?

A is 1.5 times as efficient as B. A & B together complete the work in 12 days. In how many days, A alone can complete the work?

A and B can do a piece of work in 12 days, C and A in 20 days and B and C in 15 days, then in how many days will they finish it working together?

A, B and C can do a piece of work in 30 days, 45 days and 90 days, respectively. A starts the work and he is assisted by B and C together every third day. In how many days will the work be completed?

A is 20% more efficient than B. If B alone can complete a piece of work in 12 days, then A alone can complete the same work in how many days?

A and B undertook to do a piece of work for Rs. 4500. A alone could do it in 8 days and B alone in 12 days. With the assistance of C they finished the work in 4 days. Then C’s share of the money is:

120 men consume 720 kg of rice in 30 days. In how many days can 90 men consume 270 kg?

Five Men can paint a building in 20 days, 8 Women can paint the same building in 25 days and 10 Boys can paint it in 30 days. If a team has 2 Men, 6 Women and 5 Boys, how long will it take to paint the building ?

A tank is normally filled in 4 hours. But it takes 5 hours to fill, when there is a leak at the bottom of the tank.If the tank is full, in how many hours can it be emptied by the leak?

15 men or 18 women can complete a piece of work in 45 days. If 5 men and 6 women work together then the work will be completed in:

If 12 persons working 12 hours a day dig 12 meters of a tunnel in 12 days how many men are required to dig additional 4 meter of the tunnel (of the same dimension) given that they work 4 hours a day for 4 day?

A tank is 3/5 full. Pipe A can fill a tank in 10 min and Pipe B can empty it in 6 min. If both the pipes are left open, how long will it take to empty the tank completely?

16 men built a model in 35 days. How many days would it take for 25 men?

Mr. Rajesh is twice as good a worker as Mr. Vishal and together they finish a piece of work in 28 days. In how many days will Vishal alone finish the work?

One fourth of a tank can be filled in 3 hours by pipe A and one-third of the same tank can be filled in 2 hours by pipe B. How long will it take for the tank to be filled if both the pipes are kept open?

A can complete a task in 8 days and B in 16 days respectively. If they work together for 3 days, then the remaining part of the work left is:

A can complete some work in 35 days and B can complete the same work in 15 days. They worked together for 8 days, then B left the work. In how many days will A alone complete 60% of the remaining work?

A alone can complete a task in 3 days and B alone can complete the same task in 6 days. In how many days can A and B complete it together?

A, B and C can do a piece of work in 36, 54 and 72 days respectively. They started the work but A left 8 days before the completion of the work while B left 12 days before the completion. The number of days for which C worked is

Ram and Shyam work on a job together for four days and complete 60% of it. Ram takes leave then and Shyam works for eight more days to complete the job. How long would Ram take to complete the entire job alone?

Out of three pipes the first two can fill an empty tank in 9 hours and 18 hours, respectively while the third can drain the filled tank in 15 hours. If all the three pipes are opened when the tank is empty, after how many hours will the tank be full?

A can complete a piece of work in 40 days and B is 30% more efficient than A. In how many days will the work be completed, if both are working together?

P alone can complete the work in 5 days, Q alone can do same work in 6 days and R alone can do the same work in 12 days. They jointly complete the work and earn Rs 5400. What is the share of R?

A alone can do a piece of work in 12 days and B alone in 16 days. They undertook to do the work for ₹350. How much will B get?

A can do a work in 12 days and B in 16 days. They undertook to do it for Rs. 6000 with the help of ‘C’ they completed the work in 6 days. What is the share of A?

P, Q and R undertook a work for Rs. 55000. Together P and Q complete (8/11)th part of the work. What is the share (in Rs) of R?

A pipe can fill a tank in 10 minutes while another pipe can empty it in 12 minutes. If the pipes are opened alternately each for 1 minute, beginning with the first pipe. the tank will be full after (in minutes):

18 men built a tanker in 25 days. How many days would it take for 10 men?

P, Q and R can complete a work in 30 days, 15 days and 20 days respectively. P works on first day, then Q works on second day and then R works on third day and so on. In how many days the work will be Completed?

3 men dig a hole in 10 days. How many days would it take for 5 men to dig the same hole?

Ram completes a work in 16 days, Laxman takes 20 days to complete the same work. They work together for 4 days and then Ram leaves. In how many more days will Laxman complete the work?

P, Q and R can complete a work in 20, 15 and 25 days respectively. P, Q and R together took Rs. 9600 to complete the same work. What will be the share (approx.) of Q (in Rs.)?