1728 + Mcqs in Time and Work Page 14 McqOptions

651.	10 men can complete a job in 200 days. They started the work. After 20 days, 10 men with three times their efficiency joined them. The total time (in days) to complete the remaining job is∶
A.	45
B.	65
C.	68
D.	70
Answer» B. 65

Discussion

652.	A and B can complete a piece of work in 15 days and 20 days respectively. They got a contract to complete the work Rs. 77000. The share of A (in Rs) in the contracted money will be:
A.	45,000
B.	42,000
C.	44,000
D.	40,000
Answer» D. 40,000

Discussion

653.	A can do \(33\frac{1}{3}\% \) of a work in 10 days and B can do \(66\frac{2}{3}\%\) of the same work in 8 days. Both together worked for 8 days then C alone completes the remaining work in 3 days. A and C together will complete \(\frac{5}{6}\) part of the original work in:
A.	20 days
B.	15 days
C.	12 days
D.	18 days
Answer» C. 12 days

Discussion

654.	Anil is twice as capable as Binay. If Anil can complete a work 20 days earlier than Binay, how many days will the two work together?A. 11.11 daysB. 13.33 daysC. 13.83 daysD. 14 days
A.	C
B.	D
C.	A
D.	B
Answer» E.

Discussion

655.	A and B can together complete a task in 21 days. If A alone takes 42 days to complete the task, the number of days that B would take to do the task alone is:
A.	42
B.	63
C.	27
D.	32
Answer» B. 63

Discussion

656.	Anil can make 20 bags in 4 days and Manoj can make 10 bags in 5 days. How many bags both Anil and Manoj together can make in one day?
A.	11 bags
B.	7 bags
C.	9 bags
D.	5 bags
Answer» C. 9 bags

Discussion

657.	'K' can do 3/4thof a work in 6 days and 'J' can do 2/5thof the same work in 4 days. How long (in days) will they take, if they together to finish the work?
A.	\(4 \frac{2}{3}\)
B.	\(4 \frac{3}{8}\)
C.	\(4 \frac{1}{4}\)
D.	\(4 \frac{4}{9}\)
Answer» E.

Discussion

658.	A and B together can complete a task in 10 days, B and C can do in 15 days, and C and A together can do it in 12 days. How long will they take to complete the task working together?
A.	12 days
B.	8 days
C.	14 days
D.	10 days
Answer» C. 14 days

Discussion

659.	10 men and 5 women can do a work in 60 days. If one man can do the work of two women, how long will 5 men and 20 women take to complete half of the work?
A.	25
B.	36
C.	40
D.	50
Answer» B. 36

Discussion

660.	A is 1.5 times efficient as B therefore takes 8 days less than B to complete a work. If A and B work on alternate days and A works on first day, then in how many days the work will be completed?
A.	17
B.	19
C.	19.5
D.	21
Answer» C. 19.5

Discussion

661.	A pipe can ﬁll a tank in 14 hours. Due to the leak in its bottom, the tank is ﬁlled in 16 hours. If the tank is full, then that leak can empty the tank in how many hours?
A.	112
B.	120
C.	108
D.	110
Answer» B. 120

Discussion

662.	A tank has two pipes. Pipe M is for filling the tank and pipe N is for emptying the tank. If pipe M takes 45 hours to completely fill the tank and pipe N takes 90 hours to empty the fully filled tank, then how many hours will they take to together fill the half empty tank completely?
A.	35 hours
B.	40 hours
C.	45 hours
D.	60 hours
Answer» D. 60 hours

Discussion

663.	A small production unit now works 6 days per week with 3 ½ hours of first shift every one of the 6 days and 3 hours of second shift for each of the first 5 days. Wage negotiations led to an agreement to work on 5 days a week with both shifts together clocking 7 ½ hours per day with an 8% increase in weekly wages. How much change in the hourly production would mean parity in the agreement for both management and employees?
A.	3.68%
B.	2.15%
C.	1.82%
D.	1.33%
Answer» B. 2.15%

Discussion

664.	If A, B and C alone can complete a work in x, y and z days respectively, then in how many days will they complete the same work, working together?
A.	\(\frac{{x + y + z}}{{xyz}}\) days
B.	\(\frac{{xy + yz + zx}}{{xyz}}\) days
C.	\(\frac{{xyz}}{{xy + yz + zx}}\) days
D.	None of the above
Answer» D. None of the above

Discussion

665.	A ﬁnishes a work in 3 days, B ﬁnishes the same in 4 days and C in 5 days. They take turns to ﬁnish the work. A works on the ﬁrst day, B on the second and C on the third day and then again A and so on. On which day will the work get completed?
A.	3
B.	4
C.	2
D.	5
Answer» C. 2

Discussion

666.	Pipe A can fill a tank in 6 hours. Pipe B can empty it in 15 hours. If both the pipes are opened together, then the tank will be filled in how many hours?
A.	9
B.	8
C.	12
D.	10
Answer» E.

Discussion

667.	A alone can do a work in 30 days. He did half of the work and then left. If B alone can do the entire work in 16 days, then how many days will B take to complete the remaining work?
A.	9
B.	6
C.	12
D.	8
Answer» E.

Discussion

668.	P works thrice as fast as Q, whereas P and Q together can work four times as fast as R. If P, Q and R together work on a job, in what ratio should they share the earnings?
A.	3 : 1 : 1
B.	3 : 2 : 4
C.	4 : 3 : 4
D.	3 : 1 : 4
Answer» B. 3 : 2 : 4

Discussion

669.	A and B together can do the work in X days. A takes 12 days less than B to complete the whole. If time taken by A to complete the whole working alone is 9 days, then find X.
A.	6.3 days
B.	7 days
C.	5 days
D.	5.5 days
E.	7.2 days
Answer» B. 7 days

Discussion

670.	If 12 men can do a job in 7 days, what fraction of the job can be done by one man in one day?
A.	\( {1\over 14}\)
B.	\({7\over 12}\)
C.	\({1\over 84}\)
D.	\({1 \over 72}\)
Answer» D. \({1 \over 72}\)

Discussion

671.	A and B can do a piece of work in 12 days; B and C in 15 days; C and A in 20 days. In how many days can A alone do it?
A.	\(15\frac{2}{3}\)
B.	24
C.	30
D.	40
Answer» D. 40

Discussion

672.	A and B together can do a certain work in 20 days, B and C together can do it in 30 days, and C and A together can do it in 24 days, B alone will complete \(\dfrac{2}{3}\) part of the same work is∶
A.	20 days
B.	16 days
C.	24 days
D.	32 days
Answer» E.

Discussion

673.	A can complete one - third of a work in 10 days and B can do 3/5th of the same work in 24 days. They worked together for 10 days. The remaining work was completed by C alone in 15 days. In how many days can C alone do 2/3rd of the same work?
A.	27
B.	24
C.	30
D.	32
Answer» C. 30

Discussion

674.	A can do a piece of work in 40 days and is 100% more efficient than B. B and C complete 10% of the work in 1 day. In how many days C alone can complete the work?
A.	80/7
B.	97/7
C.	24/7
D.	33/7
E.	47/7
Answer» B. 97/7

Discussion

675.	Pipes A and B can fill a tank in 43.2 minutes and 108 minutes, respectively. Pipe C can empty it at 3 litres/minute. When all the three pipes are opened together, they fill the tank in 54 minutes. The capacity (in litres) of the tank is:
A.	160
B.	216
C.	200
D.	180
Answer» C. 200

Discussion

676.	A, B and C can complete a work in 10, 12 and 15 days respectively. All three of them starts together but after 2 days A leaves the job and B left the job 3 days before the work was completed. C completed the remaining work alone. In how many days was the total work completed?
A.	5
B.	6
C.	7
D.	8
Answer» D. 8

Discussion

677.	Pipe A can fill an empty cistern in 4.5 hours. Whereas along with Pipe B, it can fill it in 2.25 hours. If only Pipe A is turned on for half an hour after which Pipe B is also turned on, how long will it take in all to fill the cistern?
A.	2 hours 30 minutes
B.	2 hours
C.	2 hours 20 minutes
D.	2 hours 15 minutes
Answer» B. 2 hours

Discussion

678.	A, B and C can complete a job in 15 days, 20 days and 25 days respectively. They all started the job, but A left after 3 days and B after 5 days of the start of the job. In how many days was the job completed?
A.	\(\dfrac{51}{4}\)
B.	\(\dfrac{27}{2}\)
C.	\(\dfrac{53}{4}\)
D.	\(\dfrac{55}{4}\)
Answer» E.

Discussion

679.	A jug has two holes. The 1st hole alone makes the jug empty in 15 minutes and 2nd hole alone makes the jug empty in 20 minutes. If water leaks out at a constant rate, how long in minutes does it take if both the holes together empty the jug?A. 4/7B. \(7\frac{4}{7}\)C. \(8\frac{5}{7}\)D. \(8\frac{4}{7}\)
A.	B
B.	C
C.	A
D.	D
Answer» E.

Discussion

680.	A and B together can do a piece of work in 12 days. A alone can do it in 18 days. In how many days can B alone can do the work?
A.	30 days
B.	36 days
C.	24 days
D.	32 days
Answer» C. 24 days

Discussion

681.	A and B can do a piece of work in 10 days, B and C in 15 days and C and A in 20 days, then C alone can do the same work in how many days?
A.	120 days
B.	60 days
C.	30 days
D.	80 days
Answer» B. 60 days

Discussion

682.	A, B and C can complete a piece of work in 4, 28 and 56 days respectively. Working together, they can complete the same work in how many days?
A.	\(3\frac{4}{{17}}\)
B.	\(3\frac{2}{{17}}\)
C.	\(3\frac{3}{{17}}\)
D.	\(3\frac{5}{{17}}\)
Answer» E.

Discussion

683.	Rajat does a work in 10 days and Suhail does the same work in 15 days. In how many days they together will do the same work?
A.	6 days
B.	5 days
C.	4 days
D.	8 days
Answer» B. 5 days

Discussion

684.	Adil and Biren together can complete a task in 20 days. Biren and Chirag together can complete the same task in 50 days. Adil and Chirag together can complete the same task in 40 days. If the same task was to be done by them alone, what would be the ratio of time taken by Adil alone to taken by Biren?A. 11 : 9B. 11 : 3C. 7 : 9D. 9 : 11
A.	D
B.	A
C.	B
D.	C
Answer» B. A

Discussion

685.	Forty men can finish building two-fifths of a wall in 20 days. How many more men should be put to work to complete the remaining portion of the wall in the next 20 days?
A.	40
B.	80
C.	20
D.	60
Answer» D. 60

Discussion

686.	'A' can do a work in 20 days and 'B' can do the same work in 15 days. 'B' works for 6 days and leaves work. In how many days can 'A' alone complete the remaining work?A. 12 daysB. 4 daysC. 6 daysD. 5 days
A.	C
B.	D
C.	B
D.	A
Answer» E.

Discussion

687.	A is thrice as good a workman as B. If B takes 45 days to finish a task, then how many days will A take to finish the same task?
A.	20
B.	30
C.	5
D.	15
Answer» E.

Discussion

688.	A and B can do a work in 45 and 40 days respectively. They began the work together, but A left after some time and B finishes the remaining work in 23 days. After how many days did A leave?
A.	8 days
B.	7 days
C.	6 days
D.	9 days
Answer» E.

Discussion

689.	Ram and Amrita can do a work in 20 days and 25 days respectively. If they do the work together, then in how many days will the work be completed?
A.	\(11\frac{1}{9}\) days
B.	\(12\frac{1}{9}\) days
C.	\(13\frac{1}{9}\) days
D.	\(14\frac{1}{9}\) days
Answer» B. \(12\frac{1}{9}\) days

Discussion

690.	Ram can finish a work in 18 days while Bhaskar would have completed the same work in 15 days. Bhaskar worked for 10 days and left the job. Under this situation, Ram would take __________ days to finish the remaining work.
A.	5 days
B.	6 days
C.	7 days
D.	8 days
Answer» C. 7 days

Discussion

691.	2 men and 2 boys can finish a task in 12 days, but 3 men and 6 boys can finish the same task in 6 days. In how many days can 2 men and 1 boy finish the same task?
A.	5
B.	7
C.	\(14\frac{2}{5}\)
D.	9
Answer» D. 9

Discussion

692.	A alone can complete a work in 14 days and B alone can complete the same work in 21 days. A and B start the work together but A leaves the work after 4 days of the starting of work. In how many days B will complete the remaining work?
A.	9 days
B.	16 days
C.	12 days
D.	11 days
Answer» E.

Discussion

693.	15 men can complete a task in 10 days. In how many days can 20 men complete the same task?
A.	5.5 days
B.	7.5 days
C.	6.5 days
D.	8.5 days
Answer» C. 6.5 days

Discussion

694.	A is 50% more efficient than B and C is 40% less efficient that B. Working together, they can complete a task in 20 days. In how many days will C alone complete 30% of that task?
A.	29
B.	33
C.	31
D.	35
Answer» D. 35

Discussion

695.	A group of workers estimate to finish a work in 10 days, but 5 workers could not join the work. If the rest of them finished the work in 12 days, the number of members present in the team originally is
A.	50
B.	45
C.	35
D.	30
Answer» E.

Discussion

696.	A can complete a task in 18 days while B can complete the same task in 12 days. Both of them finish the task together and get Rs. 900. What is the share of B?
A.	Rs. 530
B.	Rs. 360
C.	Rs. 540
D.	Rs. 750
Answer» D. Rs. 750

Discussion

697.	G and H can do a work in 30 days. If H alone can do it in 50 days, then G alone can do it in ______ days.
A.	75
B.	70
C.	60
D.	65
Answer» B. 70

Discussion

698.	A is 50% more efficient than B and C is 40% less efficient than B. Working together, they can complete a task in 10 days. In how many days will A alone complete 150% of that task?
A.	35
B.	33
C.	31
D.	28
Answer» D. 28

Discussion

699.	Eight persons can finish a work in 20 days. After 5 days they were requested to complete the work in the next 8 days. How many more persons should join the group to fulfill the requirement?
A.	12
B.	15
C.	23
D.	7
Answer» E.

Discussion

700.	Pipes A and B can fill a tank in 10 hours and \(13\frac{1}{3}\) hours, respectively. Pipe C is an emptying pipe. When all three pipes are opened together, the tanks is filled in 8 hours. Pipe C alone can empty 60% part of the tank in:
A.	12 hours
B.	15 hours
C.	9 hours
D.	10 hours
Answer» B. 15 hours

Discussion

Explore topic-wise MCQs in General Aptitude.

10 men can complete a job in 200 days. They started the work. After 20 days, 10 men with three times their efficiency joined them. The total time (in days) to complete the remaining job is∶

A and B can complete a piece of work in 15 days and 20 days respectively. They got a contract to complete the work Rs. 77000. The share of A (in Rs) in the contracted money will be:

A can do \(33\frac{1}{3}\% \) of a work in 10 days and B can do \(66\frac{2}{3}\%\) of the same work in 8 days. Both together worked for 8 days then C alone completes the remaining work in 3 days. A and C together will complete \(\frac{5}{6}\) part of the original work in:

Anil is twice as capable as Binay. If Anil can complete a work 20 days earlier than Binay, how many days will the two work together?A. 11.11 daysB. 13.33 daysC. 13.83 daysD. 14 days

A and B can together complete a task in 21 days. If A alone takes 42 days to complete the task, the number of days that B would take to do the task alone is:

Anil can make 20 bags in 4 days and Manoj can make 10 bags in 5 days. How many bags both Anil and Manoj together can make in one day?

'K' can do 3/4thof a work in 6 days and 'J' can do 2/5thof the same work in 4 days. How long (in days) will they take, if they together to finish the work?

A and B together can complete a task in 10 days, B and C can do in 15 days, and C and A together can do it in 12 days. How long will they take to complete the task working together?

10 men and 5 women can do a work in 60 days. If one man can do the work of two women, how long will 5 men and 20 women take to complete half of the work?

A is 1.5 times efficient as B therefore takes 8 days less than B to complete a work. If A and B work on alternate days and A works on first day, then in how many days the work will be completed?

A pipe can ﬁll a tank in 14 hours. Due to the leak in its bottom, the tank is ﬁlled in 16 hours. If the tank is full, then that leak can empty the tank in how many hours?

A tank has two pipes. Pipe M is for filling the tank and pipe N is for emptying the tank. If pipe M takes 45 hours to completely fill the tank and pipe N takes 90 hours to empty the fully filled tank, then how many hours will they take to together fill the half empty tank completely?

If A, B and C alone can complete a work in x, y and z days respectively, then in how many days will they complete the same work, working together?

A ﬁnishes a work in 3 days, B ﬁnishes the same in 4 days and C in 5 days. They take turns to ﬁnish the work. A works on the ﬁrst day, B on the second and C on the third day and then again A and so on. On which day will the work get completed?

Pipe A can fill a tank in 6 hours. Pipe B can empty it in 15 hours. If both the pipes are opened together, then the tank will be filled in how many hours?

A alone can do a work in 30 days. He did half of the work and then left. If B alone can do the entire work in 16 days, then how many days will B take to complete the remaining work?

P works thrice as fast as Q, whereas P and Q together can work four times as fast as R. If P, Q and R together work on a job, in what ratio should they share the earnings?

A and B together can do the work in X days. A takes 12 days less than B to complete the whole. If time taken by A to complete the whole working alone is 9 days, then find X.

If 12 men can do a job in 7 days, what fraction of the job can be done by one man in one day?

A and B can do a piece of work in 12 days; B and C in 15 days; C and A in 20 days. In how many days can A alone do it?

A and B together can do a certain work in 20 days, B and C together can do it in 30 days, and C and A together can do it in 24 days, B alone will complete \(\dfrac{2}{3}\) part of the same work is∶

A can complete one - third of a work in 10 days and B can do 3/5th of the same work in 24 days. They worked together for 10 days. The remaining work was completed by C alone in 15 days. In how many days can C alone do 2/3rd of the same work?

A can do a piece of work in 40 days and is 100% more efficient than B. B and C complete 10% of the work in 1 day. In how many days C alone can complete the work?

Pipes A and B can fill a tank in 43.2 minutes and 108 minutes, respectively. Pipe C can empty it at 3 litres/minute. When all the three pipes are opened together, they fill the tank in 54 minutes. The capacity (in litres) of the tank is:

A, B and C can complete a work in 10, 12 and 15 days respectively. All three of them starts together but after 2 days A leaves the job and B left the job 3 days before the work was completed. C completed the remaining work alone. In how many days was the total work completed?

Pipe A can fill an empty cistern in 4.5 hours. Whereas along with Pipe B, it can fill it in 2.25 hours. If only Pipe A is turned on for half an hour after which Pipe B is also turned on, how long will it take in all to fill the cistern?

A, B and C can complete a job in 15 days, 20 days and 25 days respectively. They all started the job, but A left after 3 days and B after 5 days of the start of the job. In how many days was the job completed?

A and B together can do a piece of work in 12 days. A alone can do it in 18 days. In how many days can B alone can do the work?

A and B can do a piece of work in 10 days, B and C in 15 days and C and A in 20 days, then C alone can do the same work in how many days?

A, B and C can complete a piece of work in 4, 28 and 56 days respectively. Working together, they can complete the same work in how many days?

Rajat does a work in 10 days and Suhail does the same work in 15 days. In how many days they together will do the same work?

Forty men can finish building two-fifths of a wall in 20 days. How many more men should be put to work to complete the remaining portion of the wall in the next 20 days?

'A' can do a work in 20 days and 'B' can do the same work in 15 days. 'B' works for 6 days and leaves work. In how many days can 'A' alone complete the remaining work?A. 12 daysB. 4 daysC. 6 daysD. 5 days

A is thrice as good a workman as B. If B takes 45 days to finish a task, then how many days will A take to finish the same task?

A and B can do a work in 45 and 40 days respectively. They began the work together, but A left after some time and B finishes the remaining work in 23 days. After how many days did A leave?

Ram and Amrita can do a work in 20 days and 25 days respectively. If they do the work together, then in how many days will the work be completed?

Ram can finish a work in 18 days while Bhaskar would have completed the same work in 15 days. Bhaskar worked for 10 days and left the job. Under this situation, Ram would take __________ days to finish the remaining work.

2 men and 2 boys can finish a task in 12 days, but 3 men and 6 boys can finish the same task in 6 days. In how many days can 2 men and 1 boy finish the same task?

A alone can complete a work in 14 days and B alone can complete the same work in 21 days. A and B start the work together but A leaves the work after 4 days of the starting of work. In how many days B will complete the remaining work?

15 men can complete a task in 10 days. In how many days can 20 men complete the same task?

A is 50% more efficient than B and C is 40% less efficient that B. Working together, they can complete a task in 20 days. In how many days will C alone complete 30% of that task?

A group of workers estimate to finish a work in 10 days, but 5 workers could not join the work. If the rest of them finished the work in 12 days, the number of members present in the team originally is

A can complete a task in 18 days while B can complete the same task in 12 days. Both of them finish the task together and get Rs. 900. What is the share of B?

G and H can do a work in 30 days. If H alone can do it in 50 days, then G alone can do it in ______ days.

A is 50% more efficient than B and C is 40% less efficient than B. Working together, they can complete a task in 10 days. In how many days will A alone complete 150% of that task?

Eight persons can finish a work in 20 days. After 5 days they were requested to complete the work in the next 8 days. How many more persons should join the group to fulfill the requirement?

Pipes A and B can fill a tank in 10 hours and \(13\frac{1}{3}\) hours, respectively. Pipe C is an emptying pipe. When all three pipes are opened together, the tanks is filled in 8 hours. Pipe C alone can empty 60% part of the tank in: