653 + Mcqs in Time And Work Page 8 McqOptions

351.	Brajen can paint a wall red in 10 hrs while Ballari can whitewash the wall completely in 12 hrs. If Brajen and Ballari work alternately for an hour each starting when the wall has just cement on it till when it is completely painted red, how many hours will it take to paint the entire wall red?
A.	109
B.	108
C.	120
D.	110
Answer» B. 108

Discussion

352.	Both X and Y together can complete a work in 12 days and Y alone can complete the same work in 30 days. In how many days will X alone complete the work?_x005F_x000D_
A.	15
B.	20
C.	18
D.	16
Answer» C. 18

Discussion

353.	Ehsaan is twice as good a worker as Kamal and together they finish a piece of work in 29 days. In how many days will Kamal, working alone, finish the work?
A.	58
B.	70
C.	87
D.	116
Answer» D. 116

Discussion

354.	Five men or ten women can complete a job in 20 days. In how many days can 3 men and 4 women complete it?
A.	10
B.	25
C.	15
D.	20
Answer» E.

Discussion

355.	Five men and nine women can do a piece of work in 10 days. Six men and twelve women can do the same work in 8 days. In how many days can three men and three women do the work Â ?
A.	18 days
B.	20 days
C.	16 days
D.	14 days
Answer» C. 16 days

Discussion

356.	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 manyÂ more persons should join the group to fulfil the requirement?_x005F_x000D_
A.	23
B.	15
C.	7
D.	12
Answer» D. 12

Discussion

357.	Five women can do a work in 36 days. If the ratio between the capacity of a man and a woman is 3:1, then find how many days it will take 5 men to complete the same woek?
A.	12 days
B.	15 days
C.	18 days
D.	108 days
Answer» B. 15 days

Discussion

358.	Garima and her sister together can paint the walls of their house in 45 days. If Garima alone did the job,Â it would have taken her 81 days. If the duo started painting together but Garima's sister had to leave 9Â days before the completion of the work, how many days in all would it take the sisters to paint theirÂ house?_x005F_x000D_
A.	49
B.	48
C.	52
D.	50
Answer» B. 48

Discussion

359.	Four pipes P,Q, R and S can fill a cistern in 20,25, 40 and 50 hours respectively.The first pipe P was opened at 6:00 am, Q at 8:00 am, R at 9:00 am and S at 10:00 am. when will the Cistern be full?
A.	0.67916666666667
B.	0.63125
C.	0.51041666666667
D.	0.46458333333333
Answer» C. 0.51041666666667

Discussion

360.	G is twice as fast as S in doing work. If G can do a work in 30 days less than S, how many days will they take to complete the work together?
A.	25
B.	20
C.	22
D.	15
Answer» C. 22

Discussion

361.	I take a book from a library containing 378 pages to be returned in a week's time. If I can read 14 pages an hour for three hours daily, for how long should it be renewed so that the book can be fully read?_x005F_x000D_
A.	1 day
B.	3 days
C.	4 days
D.	2 days
Answer» E.

Discussion

362.	Ganesh, Ram and Sohan together can complete a work in 16 days. If Ganesh and Ram together can complete the same work in 24 days. The number ofÂ days Sohan alone takes, to finish the work is
A.	40
B.	48
C.	32
D.	30
Answer» C. 32

Discussion

363.	If 10 men take 15 days to complete a work. In how many days will 37 men complete the work?
A.	3 days
B.	4 days
C.	5 days
D.	6 days
Answer» C. 5 days

Discussion

364.	If 10 people can do a job in 20 days,then 20 people with twice the efficiency can do the same job in
A.	5 days
B.	10 days
C.	20 days
D.	40 days
Answer» B. 10 days

Discussion

365.	If 15 persons can do a job in 30 days, then 30 persons with twice the efficiency can do the same job in how many days?
A.	7
B.	3.5
C.	5
D.	7.5
Answer» E.

Discussion

366.	If 2 men and 3 women can do a piece of work in 8 days and 3 men and 2 women in 7 days. In how many days can the work be done by 5 men and 4 women working together?
A.	3 days
B.	6 days
C.	4 days
D.	2 days
Answer» D. 2 days

Discussion

367.	If 34 men completed 2/5th of a work in 8 days working 9 hours a day. How many more man should be engaged to finish the rest of the work in 6 days working 9 hours a day ?
A.	101 men
B.	112 men
C.	102 men
D.	120 men
Answer» D. 120 men

Discussion

368.	If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days what is time taken by 15 men and 20 boys?
A.	4 days
B.	6 days
C.	7 days
D.	5 days
Answer» B. 6 days

Discussion

369.	If 6 engines consume 24 metric tonnes of coal, when each is working 8 hours day, how much coal will be required for 9 engines, each running 13hours a day, it being given that 2 engines of former type consume as much as 3 engines of latter type ?
A.	45 metric tonnes
B.	47 metric tonnes
C.	55 metric tonnes
D.	34 metric tonnes
Answer» B. 47 metric tonnes

Discussion

370.	If 5 men and 2 boys working together, can do four times as much work per hour as a man and a boy together. Find the ratio of the work done by a man and that of a boy for a given time Â ?
A.	0.043055555555556
B.	0.04375
C.	0.12569444444444
D.	0.084027777777778
Answer» E.

Discussion

371.	If 5 person together can make 5 mats in 5 hrs, then 10 person in 10 hours will make
A.	20 mats
B.	10 mats
C.	15 mats
D.	5 mats
Answer» B. 10 mats

Discussion

372.	If 60 boys can finish a work in 15 days by working 8 hours a day, then how many hours a day should 72 boys work to finish that work within 20 days?_x005F_x000D_
A.	4
B.	6
C.	5
D.	7
Answer» D. 7

Discussion

373.	If 7 spiders make 7 webs in 7 days , then 1Â spider will make 1 web in how many days ?
A.	1
B.	44234
C.	7
D.	49
Answer» D. 49

Discussion

374.	If 8 men can do a piece of work in 14 days, then in how much time (in days) will 7 men do the same piece of work?_x005F_x000D_
A.	16
B.	15
C.	17
D.	18
Answer» B. 15

Discussion

375.	If A alone can do a job in 40 days then, in how many days can B alone do the job if together they can do the job in 8 days?
A.	15
B.	10
C.	20
D.	25
Answer» C. 20

Discussion

376.	If A and B together do a job in 7.5 days and if A could do the job in 10 days if he worked alone. How many days would B take to do the job if he workedÂ alone?
A.	30
B.	40
C.	25
D.	50
Answer» B. 40

Discussion

377.	If A, B and C together do a job in 4 days, A and C together do the job in 4.5 days and B and C together do the job in 12 days then in how many days can CÂ alone do the job?
A.	36
B.	6
C.	18
D.	12
Answer» D. 12

Discussion

378.	If A, B and C can do a job working alone in 12, 18 and 36 days respectively. They all work together for 2 day, then B quits. How many days will A and C takeÂ to finish rest of the job?
A.	9
B.	6
C.	3
D.	4
Answer» C. 3

Discussion

379.	If A had worked alone he would have taken 63 hours to do the task. What is B's share, if A and B work together on a task finishing it in 36 hours and they getÂ paid Rs 5,950 for it?
A.	3400
B.	3600
C.	2550
D.	2750
Answer» D. 2750

Discussion

380.	If a soldier fires 7 shots from a gun in 12 minutes then find the total number of shots fired by the man in 3/2 hrs.
A.	45
B.	44
C.	46
D.	47
Answer» D. 47

Discussion

381.	If a young son works quickly for 2 hours and prepares 16 items in a day, and his old father works slowly for 8 hours and prepares 24 items in a day, which of the following is true?
A.	The son has more energy
B.	Both have equal energy
C.	The son has more power
D.	Both have equal power
Answer» D. Both have equal power

Discussion

382.	If Mr. Raghav taught a total of 500 hours, then what is the difference in number of hours of teaching algebra and modern Maths?
A.	15
B.	20
C.	25
D.	40
Answer» D. 40

Discussion

383.	If Data Interpretation and Modern Maths were taught for a combined time of 96 hours, then for how much time (in hours) were Number system and Geometrytaught?
A.	136
B.	184
C.	216
D.	232
Answer» E.

Discussion

384.	If two flood gates A and B function simultaneously, the reservoir will be filled iu 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

385.	In a camp 180 students had ration for 20 days. How many students should leave the camp if the ration should last for 25 days?_x005F_x000D_
A.	36
B.	24
C.	28
D.	40
Answer» B. 24

Discussion

386.	In a computer game, there are builders and destroyers. Together there are 20 of them. Some of them try to build a wall around a castle while the rest try to demolish it. Each of the builders can build the wall alone in 15 hours while any of the destroyers can demolish it in 10 hours. If all 20 builders and destroyers are made active when there is no wall and the wall gets built in 3 hours, how many of them are destroyers?
A.	5
B.	7
C.	6
D.	8
Answer» D. 8

Discussion

387.	In a factory, 60 workers can stitch 120 m of clothes in 7 days, what length of clothes can be stitched by 70 workers in 5 days?_x005F_x000D_
A.	100 m
B.	90 m
C.	85 m
D.	110 m
Answer» B. 90 m

Discussion

388.	In a fort there was sufficient food for 200 soldiers for 31 days. After 27 days, 120 soldiers left the fort. For how many extra days will the rest of the food last for the remaining soldiers?
A.	12 days
B.	10 days
C.	8 days
D.	6 days
Answer» C. 8 days

Discussion

389.	In a hostel, there was food for 1000 students for one month. After 10 days, 1000 more students joined the hostel. How long would the students be able to carry on with the remaining food?
A.	10 days
B.	15 days
C.	20 days
D.	5 days
Answer» B. 15 days

Discussion

390.	In a public bathroom there are n taps 1,2,3...n. Tap1 and Tap2 take equal time to fill the tank while Tap3 takes half the time taken by Tap2 and Tap4 takes half the time taken by Tap3. Similarly each next number of tap takes half the time taken by previous number of Tap i.e, K-th Tap takes half the time taken by (K-1)th Tap.Â If the 10th tap takes 2 hours to fill the tank alone then what is the ratio of Â efficiency of 8th tap and 12th tap, respectively?
A.	0.16736111111111
B.	0.21041666666667
C.	0.66736111111111
D.	0.052777777777778
Answer» E.

Discussion

391.	It takes one minute to fill 2/7 th of a vessel. What is the time taken in minutes to fill the whole of the vessel Â ?
A.	1/7 min
B.	7/2 min
C.	5/7 min
D.	7/5 min
Answer» C. 5/7 min

Discussion

392.	It took 64 people 77 days to construct a house. What fraction of the work can be completed by 44 peopleÂ in 96 days?_x005F_x000D_
A.	34
B.	45
C.	67
D.	23
Answer» D. 23

Discussion

393.	Jaikishen can do a piece of work in 15 hours. If he is joined by Jhanvi who is 50% more efficient, in what time will they together finish the work?
A.	6 hours
B.	12 hours
C.	3 hours
D.	9 hours
Answer» B. 12 hours

Discussion

394.	K can finish the work in 18 days and L can do the same work in 15 days. L worked for 10 days and left the job. In how many days, K alone can finish the remaining work ?
A.	5.5 days
B.	6 days
C.	4.2 days
D.	5 days
Answer» C. 4.2 days

Discussion

395.	K can build a wall in 30 days. L can demolish that wall in 60 days. If K and L work on alternate days, when will the wall be completed ?
A.	120 days
B.	119 days
C.	118 days
D.	117 days
Answer» E.

Discussion

396.	Kaushalya can do a work in 20 days, while kaikeyi can do the same work in 25 days. They started the work jointly.Few days later Sumitra also joined them and thus all of them completed the whole work in 10 days. All of them were paid total Rs.700. What is the Share of Sumitra?
A.	Rs.130
B.	Rs.185
C.	Rs.70
D.	can't be determined
Answer» D. can't be determined

Discussion

397.	K is 4 times as fast as L and working together, they can complete a work in 24 days. In how many days can L alone complete the work ?
A.	30 days
B.	40 days
C.	120 days
D.	80 days
Answer» B. 40 days

Discussion

398.	K, L and M can do a piece of work in 20, 30 and 60 days respectively. In how many days can K do the total work if he is assisted by L and M on every third day ?
A.	15 days
B.	13 days
C.	12 days
D.	10 days
Answer» B. 13 days

Discussion

399.	Karteek is twice as good a foreman as Raju and together they finish a piece of work in 20 days. In how many days will Raju alone finish the work?
A.	40
B.	60
C.	80
D.	50
Answer» C. 80

Discussion

400.	K can lay Highway road between two cities in 16 days. L can do the same job in 12 days. With the help of M, they completes the job in 4 days. How much days does it take for M alone to complete the work ?
A.	47/7 days
B.	59/6 days
C.	48/5 days
D.	57/5 days
Answer» D. 57/5 days

Discussion

Explore topic-wise MCQs in Arithmetic Ability.

Brajen can paint a wall red in 10 hrs while Ballari can whitewash the wall completely in 12 hrs. If Brajen and Ballari work alternately for an hour each starting when the wall has just cement on it till when it is completely painted red, how many hours will it take to paint the entire wall red?

Both X and Y together can complete a work in 12 days and Y alone can complete the same work in 30 days. In how many days will X alone complete the work?_x005F_x000D_

Ehsaan is twice as good a worker as Kamal and together they finish a piece of work in 29 days. In how many days will Kamal, working alone, finish the work?

Five men or ten women can complete a job in 20 days. In how many days can 3 men and 4 women complete it?

Five men and nine women can do a piece of work in 10 days. Six men and twelve women can do the same work in 8 days. In how many days can three men and three women do the work Â ?

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 manyÂ more persons should join the group to fulfil the requirement?_x005F_x000D_

Five women can do a work in 36 days. If the ratio between the capacity of a man and a woman is 3:1, then find how many days it will take 5 men to complete the same woek?

Four pipes P,Q, R and S can fill a cistern in 20,25, 40 and 50 hours respectively.The first pipe P was opened at 6:00 am, Q at 8:00 am, R at 9:00 am and S at 10:00 am. when will the Cistern be full?

G is twice as fast as S in doing work. If G can do a work in 30 days less than S, how many days will they take to complete the work together?

I take a book from a library containing 378 pages to be returned in a week's time. If I can read 14 pages an hour for three hours daily, for how long should it be renewed so that the book can be fully read?_x005F_x000D_

Ganesh, Ram and Sohan together can complete a work in 16 days. If Ganesh and Ram together can complete the same work in 24 days. The number ofÂ days Sohan alone takes, to finish the work is

If 10 men take 15 days to complete a work. In how many days will 37 men complete the work?

If 10 people can do a job in 20 days,then 20 people with twice the efficiency can do the same job in

If 15 persons can do a job in 30 days, then 30 persons with twice the efficiency can do the same job in how many days?

If 2 men and 3 women can do a piece of work in 8 days and 3 men and 2 women in 7 days. In how many days can the work be done by 5 men and 4 women working together?

If 34 men completed 2/5th of a work in 8 days working 9 hours a day. How many more man should be engaged to finish the rest of the work in 6 days working 9 hours a day ?

If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days what is time taken by 15 men and 20 boys?

If 6 engines consume 24 metric tonnes of coal, when each is working 8 hours day, how much coal will be required for 9 engines, each running 13hours a day, it being given that 2 engines of former type consume as much as 3 engines of latter type ?

If 5 men and 2 boys working together, can do four times as much work per hour as a man and a boy together. Find the ratio of the work done by a man and that of a boy for a given time Â ?

If 5 person together can make 5 mats in 5 hrs, then 10 person in 10 hours will make

If 60 boys can finish a work in 15 days by working 8 hours a day, then how many hours a day should 72 boys work to finish that work within 20 days?_x005F_x000D_

If 7 spiders make 7 webs in 7 days , then 1Â spider will make 1 web in how many days ?

If 8 men can do a piece of work in 14 days, then in how much time (in days) will 7 men do the same piece of work?_x005F_x000D_

If A alone can do a job in 40 days then, in how many days can B alone do the job if together they can do the job in 8 days?

If A and B together do a job in 7.5 days and if A could do the job in 10 days if he worked alone. How many days would B take to do the job if he workedÂ alone?

If A, B and C together do a job in 4 days, A and C together do the job in 4.5 days and B and C together do the job in 12 days then in how many days can CÂ alone do the job?

If A, B and C can do a job working alone in 12, 18 and 36 days respectively. They all work together for 2 day, then B quits. How many days will A and C takeÂ to finish rest of the job?

If A had worked alone he would have taken 63 hours to do the task. What is B's share, if A and B work together on a task finishing it in 36 hours and they getÂ paid Rs 5,950 for it?

If a soldier fires 7 shots from a gun in 12 minutes then find the total number of shots fired by the man in 3/2 hrs.

If a young son works quickly for 2 hours and prepares 16 items in a day, and his old father works slowly for 8 hours and prepares 24 items in a day, which of the following is true?

If Mr. Raghav taught a total of 500 hours, then what is the difference in number of hours of teaching algebra and modern Maths?

If Data Interpretation and Modern Maths were taught for a combined time of 96 hours, then for how much time (in hours) were Number system and Geometrytaught?

If two flood gates A and B function simultaneously, the reservoir will be filled iu 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?

In a camp 180 students had ration for 20 days. How many students should leave the camp if the ration should last for 25 days?_x005F_x000D_

In a factory, 60 workers can stitch 120 m of clothes in 7 days, what length of clothes can be stitched by 70 workers in 5 days?_x005F_x000D_

In a fort there was sufficient food for 200 soldiers for 31 days. After 27 days, 120 soldiers left the fort. For how many extra days will the rest of the food last for the remaining soldiers?

In a hostel, there was food for 1000 students for one month. After 10 days, 1000 more students joined the hostel. How long would the students be able to carry on with the remaining food?

It takes one minute to fill 2/7 th of a vessel. What is the time taken in minutes to fill the whole of the vessel Â ?

It took 64 people 77 days to construct a house. What fraction of the work can be completed by 44 peopleÂ in 96 days?_x005F_x000D_

Jaikishen can do a piece of work in 15 hours. If he is joined by Jhanvi who is 50% more efficient, in what time will they together finish the work?

K can finish the work in 18 days and L can do the same work in 15 days. L worked for 10 days and left the job. In how many days, K alone can finish the remaining work ?

K can build a wall in 30 days. L can demolish that wall in 60 days. If K and L work on alternate days, when will the wall be completed ?

Kaushalya can do a work in 20 days, while kaikeyi can do the same work in 25 days. They started the work jointly.Few days later Sumitra also joined them and thus all of them completed the whole work in 10 days. All of them were paid total Rs.700. What is the Share of Sumitra?

K is 4 times as fast as L and working together, they can complete a work in 24 days. In how many days can L alone complete the work ?

K, L and M can do a piece of work in 20, 30 and 60 days respectively. In how many days can K do the total work if he is assisted by L and M on every third day ?

Karteek is twice as good a foreman as Raju and together they finish a piece of work in 20 days. In how many days will Raju alone finish the work?

K can lay Highway road between two cities in 16 days. L can do the same job in 12 days. With the help of M, they completes the job in 4 days. How much days does it take for M alone to complete the work ?