1728 + Mcqs in Time and Work Page 20 McqOptions

951.	A can do 75% of a job in 24 days and B can do half of the job in 4 days. If they work on it together in how many days can they the job?
A.	12. 8
B.	9.6
C.	6.4
D.	10.2
Answer» D. 10.2

Discussion

952.	A and B undertook a work for Rs 2200. A alone can do the work in 10 days and B alone can do the work in 12 days. If they work together, then what will be the difference (in Rs.) in the amount they receive?
A.	350
B.	250
C.	200
D.	300
Answer» D. 300

Discussion

953.	24 women can complete a work in 45 days. If 18 women are employed, then in how many days the work would be completed?
A.	60
B.	70
C.	85
D.	75
Answer» B. 70

Discussion

954.	A tap can fill a tank in 50 minutes. If the tank has a leakage which alone is capable of emptying the tank in 2½ hours, the tank will now be filled in ______.A. 1 hourB. 1 hour 15 minsC. 1 hour 25 minsD. 1 hour 30 mins
A.	D
B.	B
C.	C
D.	A
Answer» C. C

Discussion

955.	A certain number of persons can complete a task in 28 days. If there were 150 persons more, it would have taken 7 days less for the task to be completed. How many persons are there in the beginning?
A.	350
B.	480
C.	450
D.	420
Answer» D. 420

Discussion

956.	A alone can complete a work in 6 days and B alone can complete the same work in 8 days. In how many days both A and B together can complete the same work?
A.	48/13 days
B.	35/13 days
C.	24/9 days
D.	24/7 days
Answer» E.

Discussion

957.	If 8 men working 5 hours a day complete a job in 12 days, then 15 men working 4 hours a day will finish the job in how many days? Assume that all men work at same efficiency.
A.	15 days
B.	42 days
C.	12 days
D.	8 days
Answer» E.

Discussion

958.	A water tank can be emptied in 40 minutes by a pipe of d 'diameter, so how long will it take for a 2d diameter pipe to be emptied?
A.	20 min
B.	10 min
C.	40 min
D.	80 min
Answer» C. 40 min

Discussion

959.	10 men can complete a piece of work in 15 days and 15 women can complete the same work in 12 days. If all the 10 men and 15 women work together, in how many days will the work get completed ?
A.	6
B.	\(6 \dfrac{1}{3}\)
C.	\(6 \dfrac{2}{3}\)
D.	\(7 \dfrac{2}{3}\)
Answer» D. \(7 \dfrac{2}{3}\)

Discussion

960.	If 4 men can reap a field in 5 days working 12 hours a day, in how many days can 10 men reap the same field working 8 hours a day?
A.	3
B.	2
C.	4
D.	6
Answer» B. 2

Discussion

961.	A flask has two holes. The 1st hole alone makes the flask empty in 9 minutes and 2nd hole alone makes the flask empty in 16 minutes. If water leaks out at constant rate, how long in minutes does it take if both the holes together empty the flask?A. \(\frac{{19}}{{25}}\)B. \(4\frac{{19}}{{25}}\)C. \(5\frac{{20}}{{25}}\)D. \(5\frac{{19}}{{25}}\)
A.	C
B.	B
C.	A
D.	D
Answer» E.

Discussion

962.	Amal can complete a job in 10 days and Bimal can complete it in 8 days. Amal, Bimal and Kamal together complete the job in 4 days and are paid a total amount of Rs 1000 as remuneration. If this amount is shared by them in proportion to their work, then Kamal's share, in rupees, is
A.	100
B.	200
C.	300
D.	400
Answer» B. 200

Discussion

963.	If 15 men take 21 days of 8 hours each to do a piece of work, then what is the number of days of 6 hours each that 21 women would take, if 3 women would as much work as 2 men?
A.	30 days
B.	25 days
C.	36 days
D.	24 days
Answer» B. 25 days

Discussion

964.	16 people can work for 6 hours a day to build a 150 meter long, 20 meter wide and 12 meter high wall in 25 days. In how many days, 12 people can build an 800 meter long, 15 meter wide and 6 meter high wall by working 8 hours a day?
A.	100 days
B.	50 days
C.	60 days
D.	25 days
Answer» C. 60 days

Discussion

965.	If 200 men can dig a canal working for 8 hours a day in 6 days, how long will it take to dig the canal, if 300 men work 6 hours per day?
A.	\(5\frac{1}{3}\;days\)
B.	6 days
C.	\(4\frac{2}{3}\;days\)
D.	7 days
Answer» B. 6 days

Discussion

966.	20 men can do a piece of work in 14 days working 8 hrs a day. How many men are needed to complete another work, which is twice the first one, in 8 days working 16 hrs a day?
A.	40
B.	35
C.	28
D.	32
Answer» C. 28

Discussion

967.	A tube can fill a tank in 15 hours. Due to a leak in the bottom, it is filled in 20 hours. If the tank is full, how much time will the leak alone take to empty it?
A.	20 hours
B.	60 hours
C.	32 hours
D.	40 hours
Answer» C. 32 hours

Discussion

968.	M takes 60% more time than N to complete a wall. If together they complete the wall in 24 days, then how many days will N alone take to complete it?
A.	36
B.	39
C.	42
D.	34
Answer» C. 42

Discussion

969.	If 5 tractors can plough 5 hectares of land in 5 days, then what is the number of tractor required to plough 100 hectares in 50 days?
A.	100
B.	200
C.	10
D.	5
Answer» D. 5

Discussion

970.	A can do a work in 12 days and B can do it in 18 days. They started working together, but A leaves 3 days before the work gets over. For how many days did the two work together?
A.	6
B.	5
C.	7
D.	7.2
Answer» B. 5

Discussion

971.	Aman and Raman together can do a work in 10 days. Aman alone can do the work in 12 days. In how many days can Raman alone do the work?
A.	70
B.	50
C.	60
D.	80
Answer» D. 80

Discussion

972.	9 women can complete a work in 50 days, if 6 women are increased further, how many days earlier the work be completed?A. 30B. 20C. 15D. 25
A.	C
B.	B
C.	D
D.	A
Answer» C. D

Discussion

973.	D can do a work in 18 days and E can do the same work in half that time. How many days will they take to finish the work, doing it together?
A.	5
B.	4
C.	7
D.	6
Answer» E.

Discussion

974.	A, B and C can complete a piece of work in 5, 10 and 15 days respectively. A, B and C took Rs. 8800 to complete the same work together. What will be the share (in Rs) of B?
A.	3200
B.	2800
C.	2400
D.	1600
Answer» D. 1600

Discussion

975.	If I man or 2 women or 3 boys can do a piece of work in 44 days, then the same piece of work will be done by 1 man, 1woman and 1 boy in -
A.	21 days
B.	24 days
C.	26 days
D.	25 days
Answer» C. 26 days

Discussion

976.	10 persons can do a job in X days. If 20 persons with twice the efficiency can do the same job in 5 days, then find the value of X?A. 40B. 15C. 20D. 30
A.	B
B.	C
C.	A
D.	D
Answer» C. A

Discussion

977.	Pipe A can fill an empty cistern in 14 hours. Together with Pipe B it can fill up the empty cistern in 12 hours. Therefore, Pipe B can fill the empty cistern alone in _______ hours.
A.	75
B.	77
C.	78
D.	84
Answer» E.

Discussion

978.	A certain number of men can complete a task in 18 days, working 8 hours a day. If the number of men is increased by \(33\frac{1}{3}\%\) and the time spent is decreased by 50%, then in how many days, will the same work be completed?
A.	24
B.	27
C.	30
D.	32
Answer» C. 30

Discussion

979.	5 men and 8 women can complete a task in 34 days, whereas 4 men and 18 women can complete the same task in 28 days. In how many days can the same task be completed by 3 men and 5 women?
A.	72
B.	56
C.	64
D.	36
Answer» C. 64

Discussion

980.	Pipe A can empty a filled tank in 28 hours while Pipe B can fill the same tank, when empty, in 35 hours. If alternately Pipes A and B are turned on for an hour each time, starting when the tank is full, how long will it take to empty the tank?
A.	279 hours
B.	271 hours
C.	275 hours
D.	280 hours
Answer» C. 275 hours

Discussion

981.	B and C can do a work in 12 days. C and D can do the same work in 18 days. D and B can do the same work in 24 days. In how many days can B, C and D together complete the work?
A.	14
B.	134/11
C.	144/13
D.	12
Answer» D. 12

Discussion

982.	A and B can do a piece of work alone in 15 and 30 days respectively. In how many days can they together complete the work?
A.	10
B.	8
C.	12
D.	9
Answer» B. 8

Discussion

983.	A can paint a house in 18 days and B can do it in 36 days. Along with C, they did the job in 6 days only. Then in how many days, C alone can do the job?
A.	8
B.	9
C.	10
D.	12
Answer» E.

Discussion

984.	A works twice as fast as B, if both of them can together finish a piece of work in 12 days, so in how many days B alone will do it?
A.	24 days
B.	27 days
C.	36 days
D.	48 days
Answer» D. 48 days

Discussion

985.	A can finish 80% of a task in 12 days and B can finish 20% of the same task in 2 days. They started the task together, but B left after 2 days and A continued to work. In how many days was the entire task completed?
A.	17.5
B.	10
C.	15
D.	12
Answer» E.

Discussion

986.	3 boys and 3 girls can complete a task in \(\frac{6}{5}\) hours. How many hours will 1 boy and 1 girl require to complete the task?
A.	\(\frac{{18}}{5}\)
B.	\(\frac{{12}}{5}\)
C.	\(\frac{{21}}{5}\)
D.	3
Answer» B. \(\frac{{12}}{5}\)

Discussion

987.	A tank has two inlet pipe which can fill the tank in 3 hours and 4 hours respectively and has one outlet pipe which can empty the tank in 6 hours. If all the pipes work together then in how many hours the tank will be filled?
A.	5/12 hours
B.	11/12 hours
C.	12/5 hours
D.	5/9 hours
E.	7/12 hours
Answer» D. 5/9 hours

Discussion

988.	A cistern can be filled in 10 hours but due to a leak, it takes two more hours for the cistern to get filled. What is the time taken by the leak to empty a full cistern?
A.	40 hours
B.	50 hours
C.	60 hours
D.	30 hours
Answer» D. 30 hours

Discussion

989.	Five women can do a work in thirty six days. If the ratio between the capacity of a man and a woman is 3 : 1, then find how may days it will take 5 men to complete the same work?
A.	12 days
B.	15 days
C.	18 days
D.	108 days
Answer» B. 15 days

Discussion

990.	A can finish a work in 3 days and B can finish the same work in 2 days. If A and B together works, in how many days the work can be finished?
A.	1 day
B.	5 days
C.	1.2 days
D.	0.8 days
Answer» D. 0.8 days

Discussion

991.	A alone can do a task in 35 days and B alone in 14 days. If they work on it together for 5 days, then what fraction of the task is left?
A.	Quarter
B.	One-thirds
C.	Half
D.	Three fourths
Answer» D. Three fourths

Discussion

992.	A can finish \(\frac{2}{5}\) of a task in 12 days and B can finish\(\frac{2}{3}\) of the same task in 30 days. They work together for 10 days. C alone complete the remaining task in 16 days, B and C together will complete \(\frac{4}{5}\) of the same task in:
A.	16 days
B.	12 days
C.	20 days
D.	15 days
Answer» B. 12 days

Discussion

993.	A, B and C can individually complete a piece of work in 24 days, 15 days and 12 days, respectively. B and C started the work and worked for 3 days and left. The number of days required by A alone to complete the remaining work is:
A.	\(15\frac{1}{2}\)
B.	11
C.	\(13\frac{1}{5}\)
D.	18
Answer» D. 18

Discussion

994.	36 persons working 8 hours a day can do 3 units of work in 12 days. How many persons are required to do 5 units of that work in 16 days, if they work for 6 hours a day?
A.	50
B.	60
C.	55
D.	45
Answer» C. 55

Discussion

995.	A pipe can fill a cistern in 12 hours and another pipe can empty it completely in 18 hours, If both the pipes are opened together, then the cistern will be filled in :
A.	30 hours
B.	36 hours
C.	40 hours
D.	44 hours
Answer» C. 40 hours

Discussion

996.	A can do a work in 5 days while B can do the same work in 8 days. They worked together to complete the work and earned Rs. 6760. Find A’s share?
A.	Rs. 5070
B.	Rs. 3600
C.	Rs. 4160
D.	Rs. 4056
Answer» D. Rs. 4056

Discussion

997.	A, B and C can do job in 9, 12 and 36 days respectively if they worked alone. A leaves after they have worked together for 3 days. In how many days can B and C do the rest of the job?
A.	3
B.	4
C.	5
D.	6
Answer» B. 4

Discussion

998.	8 men can do a piece of work in 10 days. How long will 10 men take to do same work?
A.	12 days
B.	8 days
C.	7 days
D.	6 days
Answer» C. 7 days

Discussion

999.	If two flood gates A and B function simultaneously, the reservoir will be filled in 6 hours. Gate A fills the reservoir 5 hours faster than gate B. How many hours does the faster flood gate take to fill the reservoir?
A.	7 hrs
B.	13 hrs
C.	5 hrs
D.	10 hrs
Answer» E.

Discussion

1000.	A and B can complete a piece of work in 15 days and 10 days respectively. They got a contract to complete the work for Rs. 35000. The share of A (in Rs.) in the contracted money will be:
A.	14000
B.	15000
C.	7000
D.	21000
Answer» B. 15000

Discussion

Explore topic-wise MCQs in General Aptitude.

A can do 75% of a job in 24 days and B can do half of the job in 4 days. If they work on it together in how many days can they the job?

A and B undertook a work for Rs 2200. A alone can do the work in 10 days and B alone can do the work in 12 days. If they work together, then what will be the difference (in Rs.) in the amount they receive?

24 women can complete a work in 45 days. If 18 women are employed, then in how many days the work would be completed?

A tap can fill a tank in 50 minutes. If the tank has a leakage which alone is capable of emptying the tank in 2½ hours, the tank will now be filled in ______.A. 1 hourB. 1 hour 15 minsC. 1 hour 25 minsD. 1 hour 30 mins

A certain number of persons can complete a task in 28 days. If there were 150 persons more, it would have taken 7 days less for the task to be completed. How many persons are there in the beginning?

A alone can complete a work in 6 days and B alone can complete the same work in 8 days. In how many days both A and B together can complete the same work?

If 8 men working 5 hours a day complete a job in 12 days, then 15 men working 4 hours a day will finish the job in how many days? Assume that all men work at same efficiency.

A water tank can be emptied in 40 minutes by a pipe of d 'diameter, so how long will it take for a 2d diameter pipe to be emptied?

10 men can complete a piece of work in 15 days and 15 women can complete the same work in 12 days. If all the 10 men and 15 women work together, in how many days will the work get completed ?

If 4 men can reap a field in 5 days working 12 hours a day, in how many days can 10 men reap the same field working 8 hours a day?

Amal can complete a job in 10 days and Bimal can complete it in 8 days. Amal, Bimal and Kamal together complete the job in 4 days and are paid a total amount of Rs 1000 as remuneration. If this amount is shared by them in proportion to their work, then Kamal's share, in rupees, is

If 15 men take 21 days of 8 hours each to do a piece of work, then what is the number of days of 6 hours each that 21 women would take, if 3 women would as much work as 2 men?

16 people can work for 6 hours a day to build a 150 meter long, 20 meter wide and 12 meter high wall in 25 days. In how many days, 12 people can build an 800 meter long, 15 meter wide and 6 meter high wall by working 8 hours a day?

If 200 men can dig a canal working for 8 hours a day in 6 days, how long will it take to dig the canal, if 300 men work 6 hours per day?

20 men can do a piece of work in 14 days working 8 hrs a day. How many men are needed to complete another work, which is twice the first one, in 8 days working 16 hrs a day?

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

M takes 60% more time than N to complete a wall. If together they complete the wall in 24 days, then how many days will N alone take to complete it?

If 5 tractors can plough 5 hectares of land in 5 days, then what is the number of tractor required to plough 100 hectares in 50 days?

A can do a work in 12 days and B can do it in 18 days. They started working together, but A leaves 3 days before the work gets over. For how many days did the two work together?

Aman and Raman together can do a work in 10 days. Aman alone can do the work in 12 days. In how many days can Raman alone do the work?

9 women can complete a work in 50 days, if 6 women are increased further, how many days earlier the work be completed?A. 30B. 20C. 15D. 25

D can do a work in 18 days and E can do the same work in half that time. How many days will they take to finish the work, doing it together?

A, B and C can complete a piece of work in 5, 10 and 15 days respectively. A, B and C took Rs. 8800 to complete the same work together. What will be the share (in Rs) of B?

If I man or 2 women or 3 boys can do a piece of work in 44 days, then the same piece of work will be done by 1 man, 1woman and 1 boy in -

10 persons can do a job in X days. If 20 persons with twice the efficiency can do the same job in 5 days, then find the value of X?A. 40B. 15C. 20D. 30

Pipe A can fill an empty cistern in 14 hours. Together with Pipe B it can fill up the empty cistern in 12 hours. Therefore, Pipe B can fill the empty cistern alone in _______ hours.

A certain number of men can complete a task in 18 days, working 8 hours a day. If the number of men is increased by \(33\frac{1}{3}\%\) and the time spent is decreased by 50%, then in how many days, will the same work be completed?

5 men and 8 women can complete a task in 34 days, whereas 4 men and 18 women can complete the same task in 28 days. In how many days can the same task be completed by 3 men and 5 women?

Pipe A can empty a filled tank in 28 hours while Pipe B can fill the same tank, when empty, in 35 hours. If alternately Pipes A and B are turned on for an hour each time, starting when the tank is full, how long will it take to empty the tank?

B and C can do a work in 12 days. C and D can do the same work in 18 days. D and B can do the same work in 24 days. In how many days can B, C and D together complete the work?

A and B can do a piece of work alone in 15 and 30 days respectively. In how many days can they together complete the work?

A can paint a house in 18 days and B can do it in 36 days. Along with C, they did the job in 6 days only. Then in how many days, C alone can do the job?

A works twice as fast as B, if both of them can together finish a piece of work in 12 days, so in how many days B alone will do it?

A can finish 80% of a task in 12 days and B can finish 20% of the same task in 2 days. They started the task together, but B left after 2 days and A continued to work. In how many days was the entire task completed?

3 boys and 3 girls can complete a task in \(\frac{6}{5}\) hours. How many hours will 1 boy and 1 girl require to complete the task?

A tank has two inlet pipe which can fill the tank in 3 hours and 4 hours respectively and has one outlet pipe which can empty the tank in 6 hours. If all the pipes work together then in how many hours the tank will be filled?

A cistern can be filled in 10 hours but due to a leak, it takes two more hours for the cistern to get filled. What is the time taken by the leak to empty a full cistern?

Five women can do a work in thirty six days. If the ratio between the capacity of a man and a woman is 3 : 1, then find how may days it will take 5 men to complete the same work?

A can finish a work in 3 days and B can finish the same work in 2 days. If A and B together works, in how many days the work can be finished?

A alone can do a task in 35 days and B alone in 14 days. If they work on it together for 5 days, then what fraction of the task is left?

A can finish \(\frac{2}{5}\) of a task in 12 days and B can finish\(\frac{2}{3}\) of the same task in 30 days. They work together for 10 days. C alone complete the remaining task in 16 days, B and C together will complete \(\frac{4}{5}\) of the same task in:

A, B and C can individually complete a piece of work in 24 days, 15 days and 12 days, respectively. B and C started the work and worked for 3 days and left. The number of days required by A alone to complete the remaining work is:

36 persons working 8 hours a day can do 3 units of work in 12 days. How many persons are required to do 5 units of that work in 16 days, if they work for 6 hours a day?

A pipe can fill a cistern in 12 hours and another pipe can empty it completely in 18 hours, If both the pipes are opened together, then the cistern will be filled in :

A can do a work in 5 days while B can do the same work in 8 days. They worked together to complete the work and earned Rs. 6760. Find A’s share?

A, B and C can do job in 9, 12 and 36 days respectively if they worked alone. A leaves after they have worked together for 3 days. In how many days can B and C do the rest of the job?

8 men can do a piece of work in 10 days. How long will 10 men take to do same work?

If two flood gates A and B function simultaneously, the reservoir will be filled in 6 hours. Gate A fills the reservoir 5 hours faster than gate B. How many hours does the faster flood gate take to fill the reservoir?

A and B can complete a piece of work in 15 days and 10 days respectively. They got a contract to complete the work for Rs. 35000. The share of A (in Rs.) in the contracted money will be: