1728 + Mcqs in Time and Work in General Aptitude Page 1 McqOptions

1.	Anil alone can do a piece of work in 6 days and Binu alone in 8 days. Anil and Binu undertook to do it for Rs. 240. With the help of Chitra, they completed the work in 3 days. How much more money is to be paid to Anil than Chitra?A. 120B. 30C. 100D. 90
A.	C
B.	B
C.	D
D.	A
Answer» D. A

Discussion

2.	An officer undertakes to complete a job in 300 days. He employs 300 people for 60 days and they complete half of the work. He then reduces the number of people to 100, who work for 120 days, after which there are 20 days holiday. How many people must be employed for the remaining period to finish the work?
A.	50
B.	100
C.	75
D.	60
Answer» E.

Discussion

3.	In a work, a man is twice as fast as a woman and a woman is twice as fast as a boy. If all of them, i.e. a man, a woman and a boy together can complete a work in 4 days, then in how many days will a boy alone complete it?
A.	28 days
B.	7 days
C.	21 days
D.	14 days
Answer» B. 7 days

Discussion

4.	A completes \(\dfrac{1}{8}\) part of a given work in 8 days while B completes \(\dfrac{2}{5}\) part of the same work in 16 days. If A and B work together, then what will be the number of days taken by them to finish the work?
A.	\(\dfrac{325}{12}\)
B.	25
C.	\(\dfrac{320}{13}\)
D.	32
Answer» D. 32

Discussion

5.	A and B can do a piece of work in 25 days. B alone can do \(66 \frac{2}{3}\)% of the same work in 30 days. In how many days can A alone do (4/15) part of same work?
A.	12
B.	18
C.	20
D.	15
Answer» E.

Discussion

6.	Kamal and Anil can dig a pond in 8 days and 14 days, respectively. If the total wages of digging is ₹ 4,400 then how much money will Anil earn?
A.	Rs. 1,400
B.	Rs. 1,600
C.	Rs. 1,500
D.	Rs. 1,300
Answer» C. Rs. 1,500

Discussion

7.	A and B can do a job in 5 days, B and C can do the same job in 6 days and C and A can do the same job in 7.5 days. A, B, and C together will complete the same job in how many days?
A.	8
B.	4
C.	2
D.	6
Answer» C. 2

Discussion

8.	Pipes A & B can together fill a tank in 4 hours, while pipes C & D can individually empty the tank in 10 hours and 12 hours respectively. When the tank was empty, pipes A & B were simultaneously opened. After an hour, pipe C was also opened. After the opening of pipe C, pipe D will be opened after how much time such that the tank is only half filled in 3 hours?
A.	1 hr. 3 min.
B.	1 hr. 18 min.
C.	1 hr. 24 min.
D.	1 hr. 42 min.
E.	1 hr. 54 min.
Answer» D. 1 hr. 42 min.

Discussion

9.	A tanker can fill a cistern in 12 hours. After half the cistern is filled, 2 more similar tankers are opened. What is the time taken to fill the remaining half of the tank?
A.	3 h
B.	1 h 30 min
C.	2 h
D.	1 h 45 min
Answer» D. 1 h 45 min

Discussion

10.	A certain number of persons can complete a work in 34 days working 9 h a day. If the number of persons is decreased by 40% then how many hours a day should the remaining persons work to complete the work in 51 days?
A.	12
B.	8
C.	9
D.	10
Answer» E.

Discussion

11.	If two pipes function simultaneously, a tank is filled in 12 hours. One pipe fills the tank 10 hours faster than the other. How many hours does the faster pipe alone take to fill the tank?
A.	12
B.	20
C.	15
D.	18
Answer» C. 15

Discussion

12.	C can do a work alone in 120 days, B twice as efficient as C and A is thrice as efficient as B. In how many days can they together complete the work?
A.	16.67
B.	13.33
C.	15
D.	12.3
Answer» C. 15

Discussion

13.	A tank has two inlets which can fill it in 6 hours and 8 hours respectively. An outlet can empty the full tank in 10 hours. Both inlet taps are opened for an hour and closed. Then the three are opened together the remaining tank fills in:
A.	\(5\frac{{15}}{{46}}\) hours
B.	\(5\frac{{15}}{{23}}\) hours
C.	\(6\frac{{11}}{{46}}\) hours
D.	\(3\frac{{16}}{{23}}\) hours
Answer» E.

Discussion

14.	Pipes P and Q can fill a tank in 12 hours and 36 hours respectively. If both pipes are opened then, how much time (in hours) it will take to fill the tank?
A.	9
B.	8
C.	10
D.	7
Answer» B. 8

Discussion

15.	A bathtub can be filled by a cold pipe in 15 minutes and by a hot pipe in 10 minutes. A man opens both the taps at 7 a.m. and leaves the bathroom. He returns at the time when the tub was expected to be full, but he observes that the waste pipe in the bottom was open and the tub was not full. He now closes it, and takes 4 more minutes before the tank is full. After using the bathtub for 10 minutes, he opens the waste pipe. At what time will the tub be empty?
A.	29 minutes past 7 a.m.
B.	31 minutes past 7 a.m.
C.	33 minutes past 7 a.m.
D.	27 minutes past 7 a.m.
Answer» B. 31 minutes past 7 a.m.

Discussion

16.	A and B can do a piece of work in 6 days; B and C can do the same work in 8 days; A and C can do the same work in 10 days. If A, B and C work together, how many days will it take them to complete the entire work?
A.	\(2\frac{{18}}{{47}}\) days
B.	\(5\frac{5}{{47}}\) days
C.	\(3\frac{{32}}{{47}}\) days
D.	None of the above
Answer» C. \(3\frac{{32}}{{47}}\) days

Discussion

17.	F and M together can do a piece of work in 8 days. F alone can do the same work in 12 days. In how many days can M alone do the same work?
A.	8
B.	12
C.	24
D.	6
Answer» D. 6

Discussion

18.	21 typists complete a project in 8 days. In how many days 15 typists will complete the project?
A.	5.8
B.	11.2
C.	9.3
D.	7
Answer» C. 9.3

Discussion

19.	4 girls and 6 boys can finish a work in 5 days while 3 girls and 4 boys can finish it in 7 days. Find the time taken by one girl alone and that by one boy alone to finish the work
A.	35, 70
B.	140, 70
C.	70, 35
D.	70, 140
Answer» B. 140, 70

Discussion

20.	2 men and 7 women can do a piece of work in 14 days whereas 3 men and 8 women can do it in 11 days. In how many days 5 men and 4 women can do the same work?
A.	11
B.	12
C.	14
D.	10
Answer» B. 12

Discussion

21.	A and B can do work in 12 days. B and C in 15 days. C and A in 20 days. If A, B and C work together they can complete the work in how many days?
A.	5 days
B.	10 days
C.	\(7{5 \over 6}\) days
D.	\(12{2\over 3}\) days
Answer» C. \(7{5 \over 6}\) days

Discussion

22.	15 man can complete a work in 12 days. 18 woman can complete the same work in 15 days. 6 man and 6 woman can complete the same work in 18 days. In how many days, 6 woman alone will finish the work?
A.	50
B.	45
C.	65
D.	40
E.	None of these
Answer» C. 65

Discussion

23.	60 men can do a work in 17 days. 5 workers left work after 6 days. Since then How many days will it take to complete the remaining work?
A.	15
B.	16
C.	13
D.	12
Answer» E.

Discussion

24.	A can finish a work in 18 days and B can do the same in 15 days. If A worked for 12 days and leaves the job; then, in how many days can B complete the remaining work single handedly?
A.	6 days
B.	4 days
C.	7 days
D.	5 days
Answer» E.

Discussion

25.	Pipes A and B can fill a tank in one hour and two hours respectively while pipe C can empty the filled the tank in one hour and fifteen minutes. A and C are turned on together at 9 a.m. after 2 hours, only A is closed and B is turned on. When will the tank be emptied?
A.	12 : 10 p.m.
B.	10 : 30 a.m.
C.	12 : 20 p.m.
D.	11 : 30 a.m.
Answer» D. 11 : 30 a.m.

Discussion

26.	Pipe A and B can fill a tank in 24 hours and 30 hours respectively, however pipe C can empty it in x hours. Pipe A and B are opened for 10 hours and then pipe C is opened. If, tank is emptied in 90 more hours, then find the value of x.
A.	15
B.	12
C.	18
D.	20
Answer» C. 18

Discussion

27.	A earns Rs. 640 per day and works for 8 hours per day. B earns Rs. 360 per day and works for 6 hours per day. The ratio of per day wages of B to that of A is:
A.	4 : 5
B.	9 : 16
C.	16 : 19
D.	5 : 4
Answer» C. 16 : 19

Discussion

28.	3 pumps, working 8 hours a day, can empty a tank in 2 days, How many hours a day must 4 pumps work to empty the tank in 1 day?
A.	9
B.	10
C.	11
D.	12
Answer» E.

Discussion

29.	If a person completes 3/4th of the work in 9 days, then how long will he take to complete the remaining portion of the work?
A.	2 days
B.	3 days
C.	4 days
D.	6 days
Answer» C. 4 days

Discussion

30.	One pipe can fill an empty cistern in 7/4 hours while another can drain the cistern when full in 21/8 hours. Both the pipes were turned on when the cistern was two-thirds empty. How long will it take for the cistern to be full?
A.	3 hours 45 minutes
B.	3 hours 20 minutes
C.	3 hours 30 minutes
D.	3 hours 15 minutes
Answer» D. 3 hours 15 minutes

Discussion

31.	3 men and 5 women together can complete a work in 6 days, whereas 4 men and 9 women together can do it in 4 days. How many women are required to do the same work in 7 days?
A.	15
B.	12
C.	14
D.	10
Answer» C. 14

Discussion

32.	A can do one - third of a work in 15 days, B can do 75% of the same work in 18 days and C can do the same work in 36 days. B and C work together for 8 days. In how many days will A alone complete the remaining work?
A.	24 days
B.	20 days
C.	16 days
D.	18 days
Answer» C. 16 days

Discussion

33.	Arun & Bijay can make paintings in 3 days, Bijay & Chandan can make those paintings in 5 days. If Arun, Bijay & Chandan together can finish the work in 2 days, then Arun & Chandan together will do it in _____ days.
A.	4/3 days
B.	8.7 days
C.	15/7 days
D.	5 days
Answer» D. 5 days

Discussion

34.	Pipe A can fill a tank in 4 hours and pipe B can fill the same tank in 3 hours. Pipe C can empty the same full tank in 2 hours. If all the pipes are opened together, then what portion of the tank will be filled after 6 hours?
A.	2/9
B.	1/2
C.	1/3
D.	2/3
Answer» C. 1/3

Discussion

35.	Pipes A and B can fill a tank in 18 minutes and \(22\frac{1}{2}\) minutes, respectively while pipe C can empty the full tank in 12 minutes. A and B are opened together for 6 minutes and then closed. Now C is opened. C alone will empty the tank in ______.
A.	\(7\frac{1}{5}\;minutes\)
B.	\(8\frac{2}{5}\;minutes\)
C.	6 minutes
D.	5 minutes
Answer» B. \(8\frac{2}{5}\;minutes\)

Discussion

36.	63 persons can repair a car in 18 days, working 6 hours a day. In how many days will 48 persons, working 7 hours a day, complete the work?
A.	20 (1/4) days
B.	28 (5/2) days
C.	22 (3/4) days
D.	19 (9/3) days
Answer» B. 28 (5/2) days

Discussion

37.	A and B can do a work in 10 days. B and C can do the same work in 15 days. C and A can complete the same work in 20 days. In how many days can C alone complete the work?
A.	120 days
B.	118 days
C.	115 days
D.	110 days
Answer» B. 118 days

Discussion

38.	A takes twice as much time as B or thrice as much time as C to finish a piece of work; working together they can finish the work in 2 days. In how many days B can do the work alone?
A.	12 days
B.	4 days
C.	8 days
D.	6 days
Answer» E.

Discussion

39.	A and B together can complete a piece of work in 12 days. They worked together for 5 days and then A alone finished the rest work in 14 days. A alone can complete the work in _____.
A.	24 days
B.	22 days
C.	20 days
D.	18 days
Answer» B. 22 days

Discussion

40.	A can finish a work in 18 days and B can do the same in 15 days. If B worked for 12 days and leaves the job, then, in how many days can A complete the remaining work single-handedly?
A.	\(3 \frac{1}{5} \ days\)
B.	\(3 \frac{2}{5} \ days\)
C.	\(3 \frac{4}{5} \ days\)
D.	\(3 \frac{3}{5} \ days\)
Answer» E.

Discussion

41.	A and B can complete a certain work in 24 days and 42 days, respectively. A started the work and after x days, B joined him and the whole work was complete in 20 days. The value of x is:
A.	11
B.	9
C.	13
D.	7
Answer» D. 7

Discussion

42.	Pipe A can fill a tank in 20 hours and pipe B can fill the same tank in 24 hours. Pipe C can empty the same tank in 12 hours. If all the pipes are opened together, then what portion of the tank will be filled after 12 hours?
A.	1/10
B.	1/5
C.	1/15
D.	9/11
Answer» B. 1/5

Discussion

43.	If 5 men can do a piece of work in 10 days and 12 women can do the same work in 15 days, the number of days required to complete the work by 5 men and 6 women is
A.	7.5 days
B.	8 days
C.	9.5 days
D.	12 days
Answer» B. 8 days

Discussion

44.	A and B can do a work in 25 days and 20 days respectively. They worked together but B leaves after some days and then A completed the remaining work in 10 days. The number of days after which ‘B’ left the work was
A.	6 \(\frac{1}{3}\)
B.	6 \(\frac{2}{3}\)
C.	6 \(\frac{1}{2}\)
D.	6
Answer» C. 6 \(\frac{1}{2}\)

Discussion

45.	Pipes A, B and C can fill an empty tank in (30/7) hours if all the three pipes are opened simultaneously. A and B are filling pipes and C is an emptying pipe. Pipe A can fill the tank in 15 hours and pipe C can empty it in 12 hours. In how long (in hours) can pipe B alone fill the empty tank?
A.	6
B.	3
C.	4
D.	5
Answer» D. 5

Discussion

46.	A and B together can do a piece of work in 20 days. B and C together can do the same work in 25 days. C and A together can do the same work in 15 days. In how many days A alone can do the same work?
A.	\(\frac{{1200}}{{23}}\)
B.	\(\frac{{1200}}{{17}}\)
C.	\(\frac{{600}}{{23}}\)
D.	\(\frac{{600}}{{17}}\)
Answer» D. \(\frac{{600}}{{17}}\)

Discussion

47.	A and B can do a work together in 18 days. A is three times as efficient as B. In how many days can B alone complete the work?
A.	54 days
B.	64 days
C.	72 days
D.	60 days
Answer» D. 60 days

Discussion

48.	A and B together can do a piece of work in 10 days. If A can do the work in 15 days, find in how many days that B alone can do the same work. Given below are the steps involved in solving the above problem. Arrange them in sequential order.(A) One day’s work of B is 1/10 - 1/15(B) One day’s work of A and B is 1/10 and one day’s work of A is 1/15(C) B alone can do the work in 30 days(D) One day’s work of B is 1/30
A.	BADC
B.	ABDC
C.	BCAD
D.	BDAC
Answer» B. ABDC

Discussion

49.	If 1 X or 2 Y or 3 Z can do a piece of work in 44 days. In how many days 1 X, 1 Y and 1 Z, working together, can do the same work, where X, Y and Z are different capacity machines?
A.	33 days
B.	26 days
C.	24 days
D.	21 days
Answer» D. 21 days

Discussion

50.	Pipe A can fill a tank in 10 hours. Pipe B can fill the same tank in 12 hours. Pipe C can empty the full tank in 16 hours. All the pipes are opened at 8:00 A.M. and Pipe A and B are closed at 10:00 A.M. After how much time from starting will the tank be empty?
A.	4 hours 8 minutes
B.	4 hours 30 minutes
C.	5 hours 24 minutes
D.	5 hours 52 minutes
Answer» E.

Discussion

Explore topic-wise MCQs in General Aptitude.

Anil alone can do a piece of work in 6 days and Binu alone in 8 days. Anil and Binu undertook to do it for Rs. 240. With the help of Chitra, they completed the work in 3 days. How much more money is to be paid to Anil than Chitra?A. 120B. 30C. 100D. 90

In a work, a man is twice as fast as a woman and a woman is twice as fast as a boy. If all of them, i.e. a man, a woman and a boy together can complete a work in 4 days, then in how many days will a boy alone complete it?

A completes \(\dfrac{1}{8}\) part of a given work in 8 days while B completes \(\dfrac{2}{5}\) part of the same work in 16 days. If A and B work together, then what will be the number of days taken by them to finish the work?

A and B can do a piece of work in 25 days. B alone can do \(66 \frac{2}{3}\)% of the same work in 30 days. In how many days can A alone do (4/15) part of same work?

Kamal and Anil can dig a pond in 8 days and 14 days, respectively. If the total wages of digging is ₹ 4,400 then how much money will Anil earn?

A and B can do a job in 5 days, B and C can do the same job in 6 days and C and A can do the same job in 7.5 days. A, B, and C together will complete the same job in how many days?

A tanker can fill a cistern in 12 hours. After half the cistern is filled, 2 more similar tankers are opened. What is the time taken to fill the remaining half of the tank?

A certain number of persons can complete a work in 34 days working 9 h a day. If the number of persons is decreased by 40% then how many hours a day should the remaining persons work to complete the work in 51 days?

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

C can do a work alone in 120 days, B twice as efficient as C and A is thrice as efficient as B. In how many days can they together complete the work?

A tank has two inlets which can fill it in 6 hours and 8 hours respectively. An outlet can empty the full tank in 10 hours. Both inlet taps are opened for an hour and closed. Then the three are opened together the remaining tank fills in:

Pipes P and Q can fill a tank in 12 hours and 36 hours respectively. If both pipes are opened then, how much time (in hours) it will take to fill the tank?

A and B can do a piece of work in 6 days; B and C can do the same work in 8 days; A and C can do the same work in 10 days. If A, B and C work together, how many days will it take them to complete the entire work?

F and M together can do a piece of work in 8 days. F alone can do the same work in 12 days. In how many days can M alone do the same work?

21 typists complete a project in 8 days. In how many days 15 typists will complete the project?

4 girls and 6 boys can finish a work in 5 days while 3 girls and 4 boys can finish it in 7 days. Find the time taken by one girl alone and that by one boy alone to finish the work

2 men and 7 women can do a piece of work in 14 days whereas 3 men and 8 women can do it in 11 days. In how many days 5 men and 4 women can do the same work?

A and B can do work in 12 days. B and C in 15 days. C and A in 20 days. If A, B and C work together they can complete the work in how many days?

15 man can complete a work in 12 days. 18 woman can complete the same work in 15 days. 6 man and 6 woman can complete the same work in 18 days. In how many days, 6 woman alone will finish the work?

60 men can do a work in 17 days. 5 workers left work after 6 days. Since then How many days will it take to complete the remaining work?

A can finish a work in 18 days and B can do the same in 15 days. If A worked for 12 days and leaves the job; then, in how many days can B complete the remaining work single handedly?

Pipes A and B can fill a tank in one hour and two hours respectively while pipe C can empty the filled the tank in one hour and fifteen minutes. A and C are turned on together at 9 a.m. after 2 hours, only A is closed and B is turned on. When will the tank be emptied?

Pipe A and B can fill a tank in 24 hours and 30 hours respectively, however pipe C can empty it in x hours. Pipe A and B are opened for 10 hours and then pipe C is opened. If, tank is emptied in 90 more hours, then find the value of x.

A earns Rs. 640 per day and works for 8 hours per day. B earns Rs. 360 per day and works for 6 hours per day. The ratio of per day wages of B to that of A is:

3 pumps, working 8 hours a day, can empty a tank in 2 days, How many hours a day must 4 pumps work to empty the tank in 1 day?

If a person completes 3/4th of the work in 9 days, then how long will he take to complete the remaining portion of the work?

One pipe can fill an empty cistern in 7/4 hours while another can drain the cistern when full in 21/8 hours. Both the pipes were turned on when the cistern was two-thirds empty. How long will it take for the cistern to be full?

3 men and 5 women together can complete a work in 6 days, whereas 4 men and 9 women together can do it in 4 days. How many women are required to do the same work in 7 days?

A can do one - third of a work in 15 days, B can do 75% of the same work in 18 days and C can do the same work in 36 days. B and C work together for 8 days. In how many days will A alone complete the remaining work?

Arun & Bijay can make paintings in 3 days, Bijay & Chandan can make those paintings in 5 days. If Arun, Bijay & Chandan together can finish the work in 2 days, then Arun & Chandan together will do it in _____ days.

Pipe A can fill a tank in 4 hours and pipe B can fill the same tank in 3 hours. Pipe C can empty the same full tank in 2 hours. If all the pipes are opened together, then what portion of the tank will be filled after 6 hours?

Pipes A and B can fill a tank in 18 minutes and \(22\frac{1}{2}\) minutes, respectively while pipe C can empty the full tank in 12 minutes. A and B are opened together for 6 minutes and then closed. Now C is opened. C alone will empty the tank in ______.

63 persons can repair a car in 18 days, working 6 hours a day. In how many days will 48 persons, working 7 hours a day, complete the work?

A and B can do a work in 10 days. B and C can do the same work in 15 days. C and A can complete the same work in 20 days. In how many days can C alone complete the work?

A takes twice as much time as B or thrice as much time as C to finish a piece of work; working together they can finish the work in 2 days. In how many days B can do the work alone?

A and B together can complete a piece of work in 12 days. They worked together for 5 days and then A alone finished the rest work in 14 days. A alone can complete the work in _____.

A can finish a work in 18 days and B can do the same in 15 days. If B worked for 12 days and leaves the job, then, in how many days can A complete the remaining work single-handedly?

A and B can complete a certain work in 24 days and 42 days, respectively. A started the work and after x days, B joined him and the whole work was complete in 20 days. The value of x is:

Pipe A can fill a tank in 20 hours and pipe B can fill the same tank in 24 hours. Pipe C can empty the same tank in 12 hours. If all the pipes are opened together, then what portion of the tank will be filled after 12 hours?

If 5 men can do a piece of work in 10 days and 12 women can do the same work in 15 days, the number of days required to complete the work by 5 men and 6 women is

A and B can do a work in 25 days and 20 days respectively. They worked together but B leaves after some days and then A completed the remaining work in 10 days. The number of days after which ‘B’ left the work was

Pipes A, B and C can fill an empty tank in (30/7) hours if all the three pipes are opened simultaneously. A and B are filling pipes and C is an emptying pipe. Pipe A can fill the tank in 15 hours and pipe C can empty it in 12 hours. In how long (in hours) can pipe B alone fill the empty tank?

A and B together can do a piece of work in 20 days. B and C together can do the same work in 25 days. C and A together can do the same work in 15 days. In how many days A alone can do the same work?

A and B can do a work together in 18 days. A is three times as efficient as B. In how many days can B alone complete the work?

If 1 X or 2 Y or 3 Z can do a piece of work in 44 days. In how many days 1 X, 1 Y and 1 Z, working together, can do the same work, where X, Y and Z are different capacity machines?

Pipe A can fill a tank in 10 hours. Pipe B can fill the same tank in 12 hours. Pipe C can empty the full tank in 16 hours. All the pipes are opened at 8:00 A.M. and Pipe A and B are closed at 10:00 A.M. After how much time from starting will the tank be empty?