1728 + Mcqs in Time and Work Page 17 McqOptions

801.	Aditya joined an internship on the condition that he would be paid Rs. 68 for each day and would be fined Rs.10 if he is absent. After working for 30 days he earned Rs. 1650. Determine the number of days he was absent?
A.	5 days
B.	4 days
C.	9 days
D.	10 days
Answer» B. 4 days

Discussion

802.	A pipe can fill a cistern in 20 minutes, but an outlet can empty it in 28 minutes. When both the pipes are opened, in what time is the cistern filled?
A.	96 minutes
B.	72 minutes
C.	56 minutes
D.	70 minutes
Answer» E.

Discussion

803.	P and Q together complete a work in 8 days. Q and R together complete a work in 16 days and R and P together complete the same work in 8 days. In how many days P, Q and R together can complete the work?
A.	6.4
B.	7.2
C.	5.8
D.	7.1
Answer» B. 7.2

Discussion

804.	A can do a work in 40 days and B can do the same work in 50 days. They worked together for 5 days and then B left the work. In how many days will A finish of remaining work?
A.	40
B.	41
C.	33
D.	31
Answer» E.

Discussion

805.	10 men can do 2/5 part of a work in 10 days. Find time taken by 25 men to complete the whole work.
A.	10 days
B.	20 days
C.	15 days
D.	8 days
E.	12 days
Answer» B. 20 days

Discussion

806.	A garrison of 3300 men had provisions for 32 days when given at the rate of 850 gm per head. At the end of 7 days a reinforcement arrives and it was found that the provisions will last 17 days more when given at the rate of 825 gm per head. What is the strength of the reinforcement?
A.	1200
B.	1500
C.	1700
D.	1900
Answer» D. 1900

Discussion

807.	Pipe A is a filling pipe, while B and C are emptying pipes. Pipe A alone can fill a tank in 10 hours and pipe C alone can empty the full tank in 24 hours. If all three pipes are opened together, the tank is completely filled in 40 hours. In how many hours can pipe B alone empty two-third part of the tank?
A.	24
B.	20
C.	18
D.	30
Answer» C. 18

Discussion

808.	12 men and 16 women together can complete a work in 4 days. It takes 80 days for man alone to complete the same work, then how many days would be required for one woman alone to complete the same work?
A.	160
B.	150
C.	130
D.	175
Answer» B. 150

Discussion

809.	3 men or 7 women finish a work in 32 days. 7 men and 5 women together will finish the twice of this work in
A.	19 days
B.	21 days
C.	27 days
D.	36 days
Answer» C. 27 days

Discussion

810.	A is 40% more efficient than B and C is 20% less efficient than B. Working together, they can finish a task in 15 days. In how many days, will B alone complete 75% of the task?
A.	32
B.	48
C.	36
D.	44
Answer» D. 44

Discussion

811.	B does 50% of a work in 20 days. C joins B and together they finish the remaining work in 4 days. C alone can do the whole work in how many days?
A.	10
B.	8
C.	12
D.	9
Answer» B. 8

Discussion

812.	Pipes A and B can fill a tank in 18 minutes and 27 minutes, respectively. C is an outlet pipe. When A, B and C are opened together, the empty tank is completely filled in 54 minutes. Pipe C alone can empty the full tank in:
A.	14\(\frac{1}{2}\) minutes
B.	14 minutes
C.	13\(\frac{1}{2}\) minutes
D.	13 minutes
Answer» D. 13 minutes

Discussion

813.	A hostel had provision for 60 men for 35 days. After 10 days, 15 more men arrived at the hostel. How long would the remaining provision last at the same rate?
A.	18 days
B.	15 days
C.	20 days
D.	25 days
Answer» D. 25 days

Discussion

814.	Heena began peeling a pile of 44 potatoes at the rate of 3 potatoes per minute. Four minutes later, Chitra joined her and peeled at the rate of 5 potatoes per minute. When they finished, how many potatoes had Chitra peeled?
A.	25
B.	20
C.	15
D.	30
Answer» C. 15

Discussion

815.	A can do a piece of work in 70 days and B is 40% more efficient than A. The number of days taken by B to do the same work will be?
A.	40 days
B.	60 days
C.	50 days
D.	45 days
Answer» D. 45 days

Discussion

816.	A tap can fill a tank in 8 hrs. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?
A.	6 hrs
B.	5 hrs
C.	3 hrs
D.	4 hrs
Answer» C. 3 hrs

Discussion

817.	A cistern can be filled by two pipes A and B in 4 hours. When full, the tank can be emptied by a third pipe C in 8 hours. If all taps are turned on at the same time, the cistern will be full in?
A.	4 hours
B.	8 hours
C.	16 hours
D.	8/3 hours
Answer» C. 16 hours

Discussion

818.	A tank has a leak that will empty it in 17 hours. A tap is opened which enters 12 liters of water in one minute and now the tank is emptied in 24 hours. How many liters will be the tank capacity?
A.	41500
B.	41700
C.	42500
D.	41966
Answer» E.

Discussion

819.	P and Q can individually do some work in 60 and 75 days respectively. They started working together. But P left after sometime. Q completed the work in another 30 days. In how many days after starting the work did P leave?
A.	24
B.	20
C.	25
D.	32
Answer» C. 25

Discussion

820.	A and B complete a work in 18 days, B and C in 24 days C and A in 36 days. Who is the slowest among A, B and C?
A.	C
B.	B
C.	A
D.	Cannot be determined
Answer» B. B

Discussion

821.	A can do a job alone in 24 days. B is 50% more efficient than A. Then B alone can finish the job in
A.	12 days
B.	18 days
C.	10 days
D.	16 days
Answer» E.

Discussion

822.	Rahul does complete a work in 25 hours. If Rajesh is 25% more efficient than Rahul then how much hours will Rajesh take to complete the same work?
A.	20 hrs.
B.	30 hrs.
C.	21 hrs.
D.	22 hrs.
Answer» B. 30 hrs.

Discussion

823.	45 men can complete a piece of work in 12 days. In how many days will 36 men be able to complete it?
A.	10
B.	16
C.	18
D.	15
Answer» E.

Discussion

824.	A can do a work in 15 days and B can do it in 10 days. If they work together for 4 days, then the fraction of the work left is:
A.	\(\frac{3}{4}\)
B.	\(\frac{2}{3}\)
C.	\(\frac{1}{3}\)
D.	\(\frac{1}{4}\)
Answer» D. \(\frac{1}{4}\)

Discussion

825.	A can do a certain work in 12 days, B alone can do the same work in 16 days. A and B undertook to complete it in Rs. 8000. With the help of C, they completed the work in 6 days.How much money (in Rs.) be paid to B?
A.	1000
B.	3000
C.	4000
D.	2000
Answer» C. 4000

Discussion

826.	A is twice as good at writing a novel as B. Together they can finish writing the novel in 24 days. In how many days can A alone write the novel?
A.	18
B.	24
C.	36
D.	32
Answer» D. 32

Discussion

827.	A can complete a work in 5 minutes, B in 6 minutes and C in 8 minutes. The average number of work completed per hour per worker for all three workers is:
A.	\(\dfrac{56}{9}\)
B.	\(\dfrac{57}{5}\)
C.	\(\dfrac{52}{3}\)
D.	\(\dfrac{59}{6}\)
Answer» E.

Discussion

828.	Milena and Mashuka can together complete a work in 36 days. However, Mashuka works alone and left the work after completing 2/5 part of work and then Milena starts work and completes the rest of the work. As a result both completes the work in 78 days. If Mashuka is more efficient than Milena then time(in days) taken by Milena to complete the work alone:
A.	96
B.	100
C.	90
D.	102
Answer» D. 102

Discussion

829.	A can complete a task alone in 9 days while B takes 13.5 days to do it by herself. Together with C it takes them 4.5 days to complete the task. If C and D together can complete the task in 18 days, then how many days will D need to complete the task by herself?
A.	60
B.	54
C.	48
D.	45
Answer» C. 48

Discussion

830.	If Dev can make 40 chairs in 20 days, working 10 hours per day then in how many days can he make 10 chairs working 8 hours per day?
A.	\(7\frac{1}{2}\)
B.	\(6\frac{1}{4}\)
C.	8
D.	6
Answer» C. 8

Discussion

831.	A tank can be filled by tap A in 2 hours and tap B in 5 hours. Tap C can empty the filled tank in 8 hours. If all the taps are opened simultaneously, how long will it take to fill the tank completely?
A.	12 hours
B.	10/3 hours
C.	8 hours
D.	40/23 hours
Answer» E.

Discussion

832.	A and B working together can complete a job in 30 days. The ratio of their efficiencies is 3 : 2. In how many days can the faster person complete the job?
A.	50
B.	30
C.	40
D.	60
Answer» B. 30

Discussion

833.	A and B together can complete a task in 12 days. However, if A works alone, completes half the job and leaves and then B works alone and completes the rest of the work, it takes 25 days in all to complete the work. If B is more efficient than A, how many days would it have taken B to do the work by herself?
A.	18
B.	22
C.	20
D.	15
Answer» D. 15

Discussion

834.	P, Q and R take 18, 15 and 10 days respectively to complete a job. Compare their efficiencies as a ratio.
A.	5 : 6 : 9
B.	5 : 5 : 9
C.	5 : 6 : 4
D.	5 : 6 : 10
Answer» B. 5 : 5 : 9

Discussion

835.	3 men and 6 women can do a piece of work in 12 days whereas 5 men and 6 women can do the same work in 9 days. If 2 men and x women can complete the same work in 24 days, then the value of x is:
A.	6
B.	4
C.	3
D.	2
Answer» E.

Discussion

836.	Pipe A and B can empty a full tank in 18 hours and 24 hours, respectively. Pipe C alone can fill the tank in 36 hours. If the tank is 5/6 full and all the three pipes are opened together, then in how many hours will the tank be emptied?
A.	\(10\frac{1}{2}\)
B.	\(12\frac{1}{2}\)
C.	10
D.	12
Answer» E.

Discussion

837.	If 7 men and 4 women working together can do five times as much work per hour as one man and one woman together, then the ratio of the work done by a man and that of a woman for a given time is:
A.	2 : 3
B.	3 : 2
C.	2 : 1
D.	1 : 2
Answer» E.

Discussion

838.	A is 40% more efficient than B. If B alone can complete a work in 42 days, then A alone can complete the same work in how many days?
A.	36
B.	40
C.	30
D.	32
Answer» D. 32

Discussion

839.	Pipes A and C can fill an empty cistern in 16 and 24 hours respectively while Pipe B can drain the filled cistern in 12 hours. If the three pipes are turned on together when the cistern is empty, how many hours will it take for the cistern to be full?
A.	64
B.	96
C.	72
D.	48
Answer» E.

Discussion

840.	40 persons can repair a bridge in 12 days. If 8 more persons join them, then in how many days bridge can be repaired?
A.	11 days
B.	10 days
C.	9 days
D.	8 days
Answer» C. 9 days

Discussion

841.	If seven workers finish two-thirds of a job in four days, then how many more workers have to be hired to finish the remaining job in one day?
A.	7
B.	10
C.	5
D.	3
Answer» B. 10

Discussion

842.	10 men can finish painting a wall in 8 days. How many more men will be needed of the painting work is to be finished in 4 days?
A.	8
B.	5
C.	10
D.	20
Answer» D. 20

Discussion

843.	A can do a piece of work in 15 days. B is 25% more efficient than A and C is 40% more efficient than B. A and C work together for 3 days and then C leaves. A and B together will compete the remaining work in:
A.	\(2\frac{1}{2}\) days
B.	\(3\frac{1}{2}\) days
C.	4 days
D.	3 days
Answer» E.

Discussion

844.	Pipe A can completely fill an empty tank in 11 hours. Pipe B can empty the same completely filled tank in 15 hours. If they are opened together, in how much time the empty tank will get filled?
A.	39 hours 15 minutes
B.	49 hours 45 minutes
C.	41 hours 15 minutes
D.	47 hours 30 minutes
Answer» D. 47 hours 30 minutes

Discussion

845.	Pipe A is an inlet pipe that can fill an empty cistern in 8.7 hours. Pipe B can drain a filled cistern in 5.8 hours. When the cistern was filled the two pipes are opened one at a time for an hour each, starting with Pipe B. How long will it take for the cistern to be empty?
A.	32 hours 16 minutes
B.	30 hours 48 minutes
C.	32 hours
D.	31 hours
Answer» C. 32 hours

Discussion

846.	13 barrels of wine fill a tank when the capacity of each barrel is 51 litres. How much barrels will be needed to fill the same tank, if the capacity of each barrel is 17 litres?
A.	39
B.	37
C.	91
D.	42
Answer» B. 37

Discussion

847.	10 women can complete a work in 7 days, and 10 children take 14 days to complete the work. How many days will 5 women and 10 children taken to complete the work?
A.	6
B.	5
C.	3
D.	7
E.	4
Answer» E. 4

Discussion

848.	A, B and C can do a work in 16 days, while A and B can do the work in 40 days. In how many days can C do the work alone?
A.	26.67
B.	30
C.	25
D.	23.33
Answer» B. 30

Discussion

849.	A certain number of men can finish a piece of work in 50 days. If however, there were 4 men less, it would take 20 more days for the work to be finished. How many men were there originally?
A.	18
B.	14
C.	15
D.	16
Answer» C. 15

Discussion

850.	A and B together complete a work in 20 days, B and C together complete same work in 30 days, C and A together complete the same work in 24 days. In how many days A, B and C together can complete the same work?
A.	8
B.	16
C.	12
D.	15
Answer» C. 12

Discussion

Explore topic-wise MCQs in General Aptitude.

Aditya joined an internship on the condition that he would be paid Rs. 68 for each day and would be fined Rs.10 if he is absent. After working for 30 days he earned Rs. 1650. Determine the number of days he was absent?

A pipe can fill a cistern in 20 minutes, but an outlet can empty it in 28 minutes. When both the pipes are opened, in what time is the cistern filled?

P and Q together complete a work in 8 days. Q and R together complete a work in 16 days and R and P together complete the same work in 8 days. In how many days P, Q and R together can complete the work?

A can do a work in 40 days and B can do the same work in 50 days. They worked together for 5 days and then B left the work. In how many days will A finish of remaining work?

10 men can do 2/5 part of a work in 10 days. Find time taken by 25 men to complete the whole work.

A garrison of 3300 men had provisions for 32 days when given at the rate of 850 gm per head. At the end of 7 days a reinforcement arrives and it was found that the provisions will last 17 days more when given at the rate of 825 gm per head. What is the strength of the reinforcement?

12 men and 16 women together can complete a work in 4 days. It takes 80 days for man alone to complete the same work, then how many days would be required for one woman alone to complete the same work?

3 men or 7 women finish a work in 32 days. 7 men and 5 women together will finish the twice of this work in

A is 40% more efficient than B and C is 20% less efficient than B. Working together, they can finish a task in 15 days. In how many days, will B alone complete 75% of the task?

B does 50% of a work in 20 days. C joins B and together they finish the remaining work in 4 days. C alone can do the whole work in how many days?

Pipes A and B can fill a tank in 18 minutes and 27 minutes, respectively. C is an outlet pipe. When A, B and C are opened together, the empty tank is completely filled in 54 minutes. Pipe C alone can empty the full tank in:

A hostel had provision for 60 men for 35 days. After 10 days, 15 more men arrived at the hostel. How long would the remaining provision last at the same rate?

Heena began peeling a pile of 44 potatoes at the rate of 3 potatoes per minute. Four minutes later, Chitra joined her and peeled at the rate of 5 potatoes per minute. When they finished, how many potatoes had Chitra peeled?

A can do a piece of work in 70 days and B is 40% more efficient than A. The number of days taken by B to do the same work will be?

A tap can fill a tank in 8 hrs. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?

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

A tank has a leak that will empty it in 17 hours. A tap is opened which enters 12 liters of water in one minute and now the tank is emptied in 24 hours. How many liters will be the tank capacity?

P and Q can individually do some work in 60 and 75 days respectively. They started working together. But P left after sometime. Q completed the work in another 30 days. In how many days after starting the work did P leave?

A and B complete a work in 18 days, B and C in 24 days C and A in 36 days. Who is the slowest among A, B and C?

A can do a job alone in 24 days. B is 50% more efficient than A. Then B alone can finish the job in

Rahul does complete a work in 25 hours. If Rajesh is 25% more efficient than Rahul then how much hours will Rajesh take to complete the same work?

45 men can complete a piece of work in 12 days. In how many days will 36 men be able to complete it?

A can do a work in 15 days and B can do it in 10 days. If they work together for 4 days, then the fraction of the work left is:

A can do a certain work in 12 days, B alone can do the same work in 16 days. A and B undertook to complete it in Rs. 8000. With the help of C, they completed the work in 6 days.How much money (in Rs.) be paid to B?

A is twice as good at writing a novel as B. Together they can finish writing the novel in 24 days. In how many days can A alone write the novel?

A can complete a work in 5 minutes, B in 6 minutes and C in 8 minutes. The average number of work completed per hour per worker for all three workers is:

A can complete a task alone in 9 days while B takes 13.5 days to do it by herself. Together with C it takes them 4.5 days to complete the task. If C and D together can complete the task in 18 days, then how many days will D need to complete the task by herself?

If Dev can make 40 chairs in 20 days, working 10 hours per day then in how many days can he make 10 chairs working 8 hours per day?

A tank can be filled by tap A in 2 hours and tap B in 5 hours. Tap C can empty the filled tank in 8 hours. If all the taps are opened simultaneously, how long will it take to fill the tank completely?

A and B working together can complete a job in 30 days. The ratio of their efficiencies is 3 : 2. In how many days can the faster person complete the job?

P, Q and R take 18, 15 and 10 days respectively to complete a job. Compare their efficiencies as a ratio.

3 men and 6 women can do a piece of work in 12 days whereas 5 men and 6 women can do the same work in 9 days. If 2 men and x women can complete the same work in 24 days, then the value of x is:

Pipe A and B can empty a full tank in 18 hours and 24 hours, respectively. Pipe C alone can fill the tank in 36 hours. If the tank is 5/6 full and all the three pipes are opened together, then in how many hours will the tank be emptied?

If 7 men and 4 women working together can do five times as much work per hour as one man and one woman together, then the ratio of the work done by a man and that of a woman for a given time is:

A is 40% more efficient than B. If B alone can complete a work in 42 days, then A alone can complete the same work in how many days?

Pipes A and C can fill an empty cistern in 16 and 24 hours respectively while Pipe B can drain the filled cistern in 12 hours. If the three pipes are turned on together when the cistern is empty, how many hours will it take for the cistern to be full?

40 persons can repair a bridge in 12 days. If 8 more persons join them, then in how many days bridge can be repaired?

If seven workers finish two-thirds of a job in four days, then how many more workers have to be hired to finish the remaining job in one day?

10 men can finish painting a wall in 8 days. How many more men will be needed of the painting work is to be finished in 4 days?

A can do a piece of work in 15 days. B is 25% more efficient than A and C is 40% more efficient than B. A and C work together for 3 days and then C leaves. A and B together will compete the remaining work in:

Pipe A can completely fill an empty tank in 11 hours. Pipe B can empty the same completely filled tank in 15 hours. If they are opened together, in how much time the empty tank will get filled?

Pipe A is an inlet pipe that can fill an empty cistern in 8.7 hours. Pipe B can drain a filled cistern in 5.8 hours. When the cistern was filled the two pipes are opened one at a time for an hour each, starting with Pipe B. How long will it take for the cistern to be empty?

13 barrels of wine fill a tank when the capacity of each barrel is 51 litres. How much barrels will be needed to fill the same tank, if the capacity of each barrel is 17 litres?

10 women can complete a work in 7 days, and 10 children take 14 days to complete the work. How many days will 5 women and 10 children taken to complete the work?

A, B and C can do a work in 16 days, while A and B can do the work in 40 days. In how many days can C do the work alone?

A certain number of men can finish a piece of work in 50 days. If however, there were 4 men less, it would take 20 more days for the work to be finished. How many men were there originally?

A and B together complete a work in 20 days, B and C together complete same work in 30 days, C and A together complete the same work in 24 days. In how many days A, B and C together can complete the same work?