558 + Mcqs in Time and Work Page 9 McqOptions

401.	If 35 men can finish a piece of work in 8 days, then the number of men who can do the same work in 10 days is :
A.	38
B.	28
C.	19
D.	17
Answer» C. 19

Discussion

402.	A and B can complete a piece of work in 12 and 18 days respectively. A begins to do the work and they work alternatively one at a time for one day each. The whole work will be completed in
A.	<table><tr><td rowspan="2">14</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">days</td></tr><tr><td style="text-align: center;">3</td></tr></table>
B.	<table><tr><td rowspan="2">15</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td><td rowspan="2">days</td></tr><tr><td style="text-align: center;">3</td></tr></table>
C.	<table><tr><td rowspan="2">16</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">days</td></tr><tr><td style="text-align: center;">3</td></tr></table>
D.
E.	<table><tr><td rowspan="2">18</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td><td rowspan="2">days</td></tr><tr><td style="text-align: center;">3</td></tr></table>
Answer» B. <table><tr><td rowspan="2">15</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td><td rowspan="2">days</td></tr><tr><td style="text-align: center;">3</td></tr></table>

Discussion

403.	A man and a boy received 800 as wages for 5 days for the work they did together. The man s efficiency in the work was three times that of the boy. What are the daily wages of the boy ?
A.	76
B.	56
C.	44
D.	40
Answer» E.

Discussion

404.	If 6 men and 8 boys can do a piece of work in 10 days and 26 men and 48 boys can do the same in 2 days, then the time taken by 15 men and 20 boys to do the same type of work will be :
A.	5 days
B.	4 days
C.	6 days
D.	7 days
Answer» C. 6 days

Discussion

405.	A takes twice as much time as B and thrice as much as C to complete a piece of work. They together complete the work in 1 day. In what time, will A alone complete the work.
A.	9 days
B.	5 days
C.	6 days
D.	4 days
Answer» D. 4 days

Discussion

406.	A and B can do a piece of work in 72 days. B and C can do it in 120 days and A and C can do it in 90 days. A alone can do it in :
A.	120 days
B.	130 days
C.	150 days
D.	100 days
Answer» B. 130 days

Discussion

407.	Two men can do a piece of work in x days. But y women can do that in 3 days. Then the ratio of the work done by 1 man and 1 woman is
A.	3y : 2x
B.	2x : 3y
C.	x : y
D.	2y : 3x
Answer» B. 2x : 3y

Discussion

408.	A, B and C can complete a work in 10, 12 and 15 days respectively. They started the work together. But A left the work before 5 days of its completion. B also left the work 2 days after A left. In how many days was the work completed?
A.	4 days
B.	5 days
C.	7 days
D.	8 days
Answer» D. 8 days

Discussion

409.	A and B can complete a piece of work in 15 days and 10 days respectively. They contracted to complete the work for 30,000. The share of A in the contracted money will be :
A.	18,000
B.	16,500
C.	12,500
D.	12,000
Answer» E.

Discussion

410.	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 of the 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

411.	A is thrice as good a workman as B and therefore is able to finish a job in 40 days less than B. Working together, they can do it in
A.	14 days
B.	13 days
C.	20 days
D.	15 days
Answer» E.

Discussion

412.	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 of days Sohan alone takes, to finish the work is
A.	40
B.	48
C.	32
D.	30
Answer» C. 32

Discussion

413.	A farmer can plough a field working 6 hours per day in 18 days. The worker has to work how many hours per day to finish the same work in 12 days ?
A.	7 hrs
B.	9 hrs
C.	11 hrs
D.	13 hrs
Answer» C. 11 hrs

Discussion

414.	A can complete a piece of work in 10 days, B in 15 days and C in 20 days. A and C worked together for two days and then A was replaced by B. In how many days, altogether, was the work completed ?
A.	12 days
B.	10 days
C.	6 days
D.	8 days
Answer» E.

Discussion

415.	A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for 3200. With the help of C they completed the work in 3 days. How much is to be paid to C ?
A.	375
B.	400
C.	600
D.	800
Answer» C. 600

Discussion

416.	15 men can finish a piece of work in 40 days. The number of days after which 5 men should leave the work so that the work is finished in 45 days altogether is :
A.	10
B.	20
C.	30
D.	35
Answer» D. 35

Discussion

417.	A is twice as good a workman as B and together they finish a piece of work in 14 days. The number of days taken by A alone to finish the work is
A.	11 days
B.	21 days
C.	28 days
D.	42 days
Answer» C. 28 days

Discussion

418.	40 men can complete a work in 40 days. They started the work together. But at the end of each 10th day, 5 men left the job. The work would have been completed in
A.	<table><tr><td rowspan="2">56</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td><td rowspan="2">days</td></tr><tr><td style="text-align: center;">3</td></tr></table>
B.	<table><tr><td rowspan="2">53</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">days</td></tr><tr><td style="text-align: center;">3</td></tr></table>
C.	52 days
D.	50 days
Answer» B. <table><tr><td rowspan="2">53</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">days</td></tr><tr><td style="text-align: center;">3</td></tr></table>

Discussion

419.	If 12 carpenters working 6 hours a day can make 460 chairs in 240 days, then the number of chairs made by 18 carpenters in 36 days each working 8 hours a day is
A.	92
B.	132
C.	138
D.	126
Answer» D. 126

Discussion

420.	If 6 persons working 8 hours a day earn 8400 per week, then 9 persons working 6 hours a day will earn per week
A.	8400
B.	16800
C.	9450
D.	16200
Answer» D. 16200

Discussion

421.	A can do a work in 21 days. B is 40% more efficient than A. The number of days required for B to finish the same work alone is
A.	10 days
B.	12 days
C.	15 days
D.	18 days
Answer» D. 18 days

Discussion

422.	A can do a piece of work in 20 days and B in 15 days. With the help of C, they finish the work in 5 days. C can alone do the work in
A.	5 days
B.	6 days
C.	10 days
D.	12 days
Answer» E.

Discussion

423.	A can do a piece of work in 18 days and B in 12 days. They began the work together, but B left the work 3 days before its completion. In how many days, in all, was the work completed?
A.	12 days
B.	10 days
C.	9.6 days
D.	9 days
Answer» E.

Discussion

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

Discussion

425.	A and B undertook to do a piece of work for 4500. A alone could do it in 8 days and B alone in 12 days. With the assistance of C they finished the work in 4 days. Then C s share of the money is
A.	2250
B.	1500
C.	750
D.	375
Answer» D. 375

Discussion

426.	8 workers can build a wall 18 m long, 2 m broad and 12 m high in 10 days, working 9 hours a day. Find how many workers will be able to build a wall 32 m long, 3 m broad and 9 m high in 8 days working 6 hours a day ?
A.	16
B.	20
C.	30
D.	10
Answer» D. 10

Discussion

427.	A certain number of men can do a piece of work in 60 days. If there were 6 men more, the work can be finished 20 days earlier. The number of men working is :
A.	6
B.	12
C.	18
D.	24
Answer» C. 18

Discussion

428.	A can do a work in 5 days less than the time taken by B to do it. If both of them together take
A.	15
B.	20
C.	25
D.	30
Answer» D. 30

Discussion

429.	P and Q together can do a job in 6 days. Q and R can finish the same job in 60/7 days. P started the work and worked for 3 days. Q and R continued for 6 days. Then the difference of days in which R and P can complete the job is
A.	15
B.	10
C.	8
D.	12
Answer» C. 8

Discussion

430.	A and B can separately complete a piece of work in 20 days and 30 days respectively. They worked together for some time, then B left the work. If A completed the rest of the work in 10 days, then B worked for
A.	6 days
B.	8 days
C.	12 days
D.	16 days
Answer» B. 8 days

Discussion

431.	The average wage of 500 workers was found to be 200. Later on, it was discovered that the wages of two workers were misread as 180 and 20 instead of 80 and 220. The correct average wage is :
A.	200.10
B.	200.20
C.	200.50
D.	201.00
Answer» C. 200.50

Discussion

432.	150 workers were engaged to finish a piece of work in a certain number of days. Four workers dropped on the second day, four more workers dropped on third day and so on. It takes 8 more days to finish the work now. Find the number of days in which the work was completed?
A.	28
B.	24
C.	25
D.	30
Answer» D. 30

Discussion

433.	A takes 10 days less than the time taken by B to finish a piece of work. If both A and B can do it in 12 days, then the time taken by B alone to finish the work is
A.	30 days
B.	27 days
C.	20 days
D.	25 days
Answer» B. 27 days

Discussion

434.	A and B alone can complete work in 9 days and18 days respectively. They worked together; however 3 days before the completion of the work A left. In how many days was the work completed ?
A.	13 days
B.	8 days
C.	6 days
D.	5 days
Answer» C. 6 days

Discussion

435.	Suman can do a work in 3 days. Sumati can do the same work in 2 days. Both of them finish the work together and get 150. What is the share of Suman ?
A.	30
B.	60
C.	70
D.	75
Answer» C. 70

Discussion

436.	A father can do a job as fast as his two sons working together. If one son does the job in 3 hours and the other in 6 hours, the number of hours taken by the father, to do the job alone is
A.	1
B.	2
C.	3
D.	4
Answer» C. 3

Discussion

437.	A can do a work in 9 days, if B is 50% more efficient than A, then in how many days can B do the same work?
A.	13.5 days
B.	4.5 days
C.	6 days
D.	3 days
Answer» D. 3 days

Discussion

438.	Work done by (x + 4) men in (x + 5) days is equal to the work done by (x 5) men in (x + 20) days. Then the value of x is
A.	20
B.	25
C.	30
D.	15
Answer» B. 25

Discussion

439.	A group of workers can complete a piece of work in 50 days, when they are working individually. On the first day one person works, on the second day another person joins him, on the third day one more person joins them and this process continues till the work is completed.
A.	8 days
B.	9 days
C.	10 days
D.	11 days
Answer» D. 11 days

Discussion

440.	A alone can complete a work in 18 days and B alone in 15 days. B alone worked at it for 10 days and then left the work. In how many more days, will A alone complete the remaining work ?
A.	5 days
B.
C.	<table><tr><td rowspan="2">5</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">days</td></tr><tr><td style="text-align: center;">2</td></tr></table>
D.	6 days
E.	8 days
Answer» D. 6 days

Discussion

441.	A is 30% more efficient than B, and can alone do a work in 23 days. The number of days, in which A and B, working together can finish the job is
A.	11 days
B.	13 days
C.	20 days
D.	21 days
Answer» C. 20 days

Discussion

442.	If 42 persons consume 144 kg of wheat in 15 days, then in how many days will 30 persons consume 45 kg of wheat ?
A.	8 days
B.	7 days
C.	12 days
D.	6 days
Answer» C. 12 days

Discussion

443.	24 men can do a piece of work in 17 days. How many men will be able to do it in 51 days ?
A.	8
B.	10
C.	12
D.	6
Answer» C. 12

Discussion

444.	A can do a piece of work in 10 days and B can do it in 12 days. They work together for 3 days. Then B leaves and A alone continues. 2 days after that C joins and the work is completed in 2 days more. In how many days can C do it, if he works alone ?
A.	30 days
B.	50 days
C.	40 days
D.	60 days
Answer» D. 60 days

Discussion

445.	5 men and 2 women working together can do four times as much work per hour as a man and a woman together. The work done by a man and a woman should be in the ratio :
A.	1 : 2
B.	2 : 1
C.	1 : 3
D.	4 : 1
Answer» C. 1 : 3

Discussion

446.	20 men working 8 hours per day can complete a piece of work in 21 days. How many hours per day must 48 men work to complete the same job in 7 days?
A.	12
B.	20
C.	10
D.	15
Answer» D. 15

Discussion

447.	If 4 men or 8 women can do a piece of work in 15 days, in how many days can 6 men and 12 women do the same piece of work ?
A.	20 days
B.	45 days
C.	15 days
D.	30 days
E.	None of these
Answer» F.

Discussion

448.	A can do as much work in 4 days as B can do in 5 days, and B can do as much work in 6 days as C in 7 days. In what time will C do a piece of work which A can do in a week ?
A.	<table><tr><td rowspan="2">10</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td><td rowspan="2">days</td></tr><td align="center">24</td></table>
B.	<table><tr><td rowspan="2">4</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4</center></td><td rowspan="2">days</td></tr><td align="center">5</td></table>
C.	<table><tr><td rowspan="2">6</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>8</center></td><td rowspan="2">days</td></tr><td align="center">15</td></table>
D.
E.	<table><tr><td rowspan="2">12</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>6</center></td><td rowspan="2">days</td></tr><td align="center">19</td></table>
Answer» B. <table><tr><td rowspan="2">4</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>4</center></td><td rowspan="2">days</td></tr><td align="center">5</td></table>

Discussion

449.	Ramesh and Rahman can do a work in 20 and 25 days respectively. After doing collectively for 10 days at the work, they leave the work due to illness and Suresh completes rest of the work in 3 days. How many days Suresh alone can take to complete the whole work ?
A.	32 days
B.	28 days
C.	29 days
D.	30 days
Answer» E.

Discussion

450.	A can do a certain job in 12 days. B is 60% more efficient than A. To do the same job B alone would take :
A.	<table><tr><td rowspan="2">7</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">days </td></tr><td align="center">2</td></table>
B.	8 days
C.	10 days
D.	7 days
Answer» B. 8 days

Discussion

Explore topic-wise MCQs in Aptitude.

If 35 men can finish a piece of work in 8 days, then the number of men who can do the same work in 10 days is :

A and B can complete a piece of work in 12 and 18 days respectively. A begins to do the work and they work alternatively one at a time for one day each. The whole work will be completed in

A man and a boy received 800 as wages for 5 days for the work they did together. The man s efficiency in the work was three times that of the boy. What are the daily wages of the boy ?

If 6 men and 8 boys can do a piece of work in 10 days and 26 men and 48 boys can do the same in 2 days, then the time taken by 15 men and 20 boys to do the same type of work will be :

A takes twice as much time as B and thrice as much as C to complete a piece of work. They together complete the work in 1 day. In what time, will A alone complete the work.

A and B can do a piece of work in 72 days. B and C can do it in 120 days and A and C can do it in 90 days. A alone can do it in :

Two men can do a piece of work in x days. But y women can do that in 3 days. Then the ratio of the work done by 1 man and 1 woman is

A, B and C can complete a work in 10, 12 and 15 days respectively. They started the work together. But A left the work before 5 days of its completion. B also left the work 2 days after A left. In how many days was the work completed?

A and B can complete a piece of work in 15 days and 10 days respectively. They contracted to complete the work for 30,000. The share of A in the contracted money will be :

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A is thrice as good a workman as B and therefore is able to finish a job in 40 days less than B. Working together, they can do it in

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 of days Sohan alone takes, to finish the work is

A farmer can plough a field working 6 hours per day in 18 days. The worker has to work how many hours per day to finish the same work in 12 days ?

A can complete a piece of work in 10 days, B in 15 days and C in 20 days. A and C worked together for two days and then A was replaced by B. In how many days, altogether, was the work completed ?

A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for 3200. With the help of C they completed the work in 3 days. How much is to be paid to C ?

15 men can finish a piece of work in 40 days. The number of days after which 5 men should leave the work so that the work is finished in 45 days altogether is :

A is twice as good a workman as B and together they finish a piece of work in 14 days. The number of days taken by A alone to finish the work is

40 men can complete a work in 40 days. They started the work together. But at the end of each 10th day, 5 men left the job. The work would have been completed in

If 12 carpenters working 6 hours a day can make 460 chairs in 240 days, then the number of chairs made by 18 carpenters in 36 days each working 8 hours a day is

If 6 persons working 8 hours a day earn 8400 per week, then 9 persons working 6 hours a day will earn per week

A can do a work in 21 days. B is 40% more efficient than A. The number of days required for B to finish the same work alone is

A can do a piece of work in 20 days and B in 15 days. With the help of C, they finish the work in 5 days. C can alone do the work in

A can do a piece of work in 18 days and B in 12 days. They began the work together, but B left the work 3 days before its completion. In how many days, in all, was the work completed?

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

A and B undertook to do a piece of work for 4500. A alone could do it in 8 days and B alone in 12 days. With the assistance of C they finished the work in 4 days. Then C s share of the money is

8 workers can build a wall 18 m long, 2 m broad and 12 m high in 10 days, working 9 hours a day. Find how many workers will be able to build a wall 32 m long, 3 m broad and 9 m high in 8 days working 6 hours a day ?

A certain number of men can do a piece of work in 60 days. If there were 6 men more, the work can be finished 20 days earlier. The number of men working is :

A can do a work in 5 days less than the time taken by B to do it. If both of them together take

P and Q together can do a job in 6 days. Q and R can finish the same job in 60/7 days. P started the work and worked for 3 days. Q and R continued for 6 days. Then the difference of days in which R and P can complete the job is

A and B can separately complete a piece of work in 20 days and 30 days respectively. They worked together for some time, then B left the work. If A completed the rest of the work in 10 days, then B worked for

The average wage of 500 workers was found to be 200. Later on, it was discovered that the wages of two workers were misread as 180 and 20 instead of 80 and 220. The correct average wage is :

150 workers were engaged to finish a piece of work in a certain number of days. Four workers dropped on the second day, four more workers dropped on third day and so on. It takes 8 more days to finish the work now. Find the number of days in which the work was completed?

A takes 10 days less than the time taken by B to finish a piece of work. If both A and B can do it in 12 days, then the time taken by B alone to finish the work is

A and B alone can complete work in 9 days and18 days respectively. They worked together; however 3 days before the completion of the work A left. In how many days was the work completed ?

Suman can do a work in 3 days. Sumati can do the same work in 2 days. Both of them finish the work together and get 150. What is the share of Suman ?

A father can do a job as fast as his two sons working together. If one son does the job in 3 hours and the other in 6 hours, the number of hours taken by the father, to do the job alone is

A can do a work in 9 days, if B is 50% more efficient than A, then in how many days can B do the same work?

Work done by (x + 4) men in (x + 5) days is equal to the work done by (x 5) men in (x + 20) days. Then the value of x is

A group of workers can complete a piece of work in 50 days, when they are working individually. On the first day one person works, on the second day another person joins him, on the third day one more person joins them and this process continues till the work is completed.

A alone can complete a work in 18 days and B alone in 15 days. B alone worked at it for 10 days and then left the work. In how many more days, will A alone complete the remaining work ?

A is 30% more efficient than B, and can alone do a work in 23 days. The number of days, in which A and B, working together can finish the job is

If 42 persons consume 144 kg of wheat in 15 days, then in how many days will 30 persons consume 45 kg of wheat ?

24 men can do a piece of work in 17 days. How many men will be able to do it in 51 days ?

A can do a piece of work in 10 days and B can do it in 12 days. They work together for 3 days. Then B leaves and A alone continues. 2 days after that C joins and the work is completed in 2 days more. In how many days can C do it, if he works alone ?

5 men and 2 women working together can do four times as much work per hour as a man and a woman together. The work done by a man and a woman should be in the ratio :

20 men working 8 hours per day can complete a piece of work in 21 days. How many hours per day must 48 men work to complete the same job in 7 days?

If 4 men or 8 women can do a piece of work in 15 days, in how many days can 6 men and 12 women do the same piece of work ?

A can do as much work in 4 days as B can do in 5 days, and B can do as much work in 6 days as C in 7 days. In what time will C do a piece of work which A can do in a week ?

Ramesh and Rahman can do a work in 20 and 25 days respectively. After doing collectively for 10 days at the work, they leave the work due to illness and Suresh completes rest of the work in 3 days. How many days Suresh alone can take to complete the whole work ?

A can do a certain job in 12 days. B is 60% more efficient than A. To do the same job B alone would take :