558 + Mcqs in Time and Work Page 8 McqOptions

351.	A job can be completed by 12 men in 12 days. How many extra days will be needed to complete the job if 6 men leave after working for 6 days ?
A.	3 days
B.	6 days
C.	12 days
D.	24 days
Answer» D. 24 days

Discussion

352.	A and B can complete a piece of work in 8 days, B and C can do it in 12 days, C and A can do it in 8 days. A, B and C together can complete it in
A.	4 days
B.	5 days
C.	6 days
D.	7 days
Answer» D. 7 days

Discussion

353.	A is twice as good a workman as B and B is twice as good a workman as C. If A and B can together finish a piece of work in 4 days, then C can do it by himself in
A.	6 days
B.	8 days
C.	24 days
D.	12 days
Answer» D. 12 days

Discussion

354.	60 men could complete a work in 250 days. They worked together for 200 days. After that the work had to be stopped for 10 days due to bad weather.
A.	10
B.	15
C.	18
D.	20
Answer» C. 18

Discussion

355.	A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days, B had to leave and A alone completed the remaining work. The whole work was completed in :
A.	10 days
B.	8 days
C.	12 days
D.	15 days
Answer» D. 15 days

Discussion

356.	A and B can do a piece of work in 28 and 35 days respectively. They began to work together but A leaves after sometime and B completed remaining work in 17 days. After how many days did A leave ?
A.	<table><tr><td rowspan="2">14</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;">5</td></tr></table>
B.	9 days
C.	8 days
D.	<table><tr><td rowspan="2">7</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td><td rowspan="2">days</td></tr><tr><td style="text-align: center;">9</td></tr></table>
Answer» D. <table><tr><td rowspan="2">7</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td><td rowspan="2">days</td></tr><tr><td style="text-align: center;">9</td></tr></table>

Discussion

357.	6 men or 12 women can do a piece of work in 20 days. In how many days can 8 men and 16 women do twice as big as this work ?
A.	2 days
B.	5 days
C.	15 days
D.	10 days
Answer» D. 10 days

Discussion

358.	A and B together can complete a work in 15 days. A is 50% more efficient worker than B. How long will A take to complete the work alone ?
A.	20 days
B.	21 days
C.	21.4 days
D.	22.5 days
E.	None of these
Answer» F.

Discussion

359.	A, B and C completed a work costing 1,800. A worked for 6 days, B for 4 days and C for 9 days. If their daily wages are in the ratio of 5 : 6 : 4, how much amount will be received by A?
A.	800
B.	600
C.	900
D.	750
Answer» C. 900

Discussion

360.	Working 5 hours a day, A can complete a work in 8 days and working 6 hours a day, B can complete the same work in 10 days. Working 8 hours a day, they can jointly complete the work in
A.	3 days
B.	4 days
C.	4.5 days
D.	5.4 days
Answer» B. 4 days

Discussion

361.	A and B can do a piece of work in 20 days and 12 days respectively. A started the work alone and then after 4 days B joined him till the completion of the work. How long did the work last ?
A.	10 days
B.	20 days
C.	15 days
D.	6 days
Answer» B. 20 days

Discussion

362.	If 3 men or 4 women can plough a field in 43 days, how long will 7 men and 5 women take to plough it ?
A.	10 days
B.	11 days
C.	9 days
D.	12 days
Answer» E.

Discussion

363.	A and B working separately can do a piece of work in 10 days and 15 days respectively. If they work on alternate days beginning with A, in how many days will the work be completed ?
A.	18 days
B.	13 days
C.	12 days
D.	6 days
Answer» D. 6 days

Discussion

364.	If A and B together can complete a work in 12 days, B and C together in 15 days and C and A together in 20 days, then B alone can complete the work in
A.	30 days
B.	25 days
C.	24 days
D.	20 days
Answer» E.

Discussion

365.	A and B can do a work in 45 days and 40 days respectively. They began the work together but A left after some time and B completed the remaining work in 23 days. After how many days of the start of the work did A leave ?
A.	10 days
B.	9 days
C.	8 days
D.	5 days
Answer» C. 8 days

Discussion

366.	If two persons, with equal abilities, can do two jobs in two days, then 100 persons with equal abilities can do 100 similar jobs in
A.	100 days
B.	10 days
C.	5 days
D.	2 days
Answer» E.

Discussion

367.	A certain number of persons can complete a piece of work in 55 days. If there were 6 persons more, the work could be finished in 11 days less. How many persons were originally there ?
A.	17
B.	24
C.	30
D.	22
Answer» C. 30

Discussion

368.	If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complete the work ?
A.	60 days
B.	45 days
C.	40 days
D.	30 days
Answer» B. 45 days

Discussion

369.	A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days. The remaining work was done by A in :
A.	5 days
B.	6 days
C.	10 days
D.
E.	<table><tr><td rowspan="2">10</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>
Answer» D.

Discussion

370.	8 men can do a work in 12 days. After 6 days of work, 4 more men were engaged to finish the work. In how many days would the remaining work be completed?
A.	2
B.	3
C.	4
D.	5
Answer» D. 5

Discussion

371.	If A and B together can complete a work in 18 days, A and C together in 12 days and B and C together in 9 days, then B alone can do the work in
A.	18 days
B.	24 days
C.	30 days
D.	40 days
Answer» C. 30 days

Discussion

372.	Ganga and Saraswati, working separately can mow a field in 8 and 12 hours respectively. If they work in stretches of one hour alternately, Ganga beginning at 9 a.m., when will the moving be completed ?
A.	6 p.m.
B.	6.30 p.m.
C.	5 p.m.
D.	5.30 p.m.
Answer» C. 5 p.m.

Discussion

373.	A and B can together finish a work in 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the job ?
A.	50 days
B.	60 days
C.	48 days
D.	54 days
Answer» C. 48 days

Discussion

374.	A man and a boy can complete a work together in 24 days. If for the last six days man alone does the work then it is completed in 26 days. How long the boy will take to complete the work alone ?
A.	72 days
B.	20 days
C.	24 days
D.	36 days
Answer» B. 20 days

Discussion

375.	A daily-wage labourer was engaged for a certain number of days for 5,750; but being absent on some of those days he was paid only 5,000. What was his maximum possible daily wage?
A.	125
B.	250
C.	375
D.	500
Answer» C. 375

Discussion

376.	If 5 men or 8 women can do a piece of work in 12 days, how many days will be taken by 2 men and 4 women to do the same work?
A.	15 days
B.	<table><tr><td rowspan="2">13</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>
C.	<table><tr><td rowspan="2">13</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">3</td></table>
D.	10 days
Answer» D. 10 days

Discussion

377.	Tapas works twice as fast as Mihir. If both of them together complete a work in 12 days, Tapas alone can complete it in
A.	15 days
B.	18 days
C.	20 days
D.	24 days
Answer» C. 20 days

Discussion

378.	A road of 5 km length will be constructed in 100 days. So 280 workers were employed. But after 80 days it was found that only
A.	480
B.	80
C.	200
D.	100
Answer» D. 100

Discussion

379.	A and B together can complete a work in 8 days. B alone can complete that work in 12 days. B alone worked for four days. After that how long will A alone take to complete the work ?
A.	15 days
B.	18 days
C.	16 days
D.	20 days
Answer» D. 20 days

Discussion

380.	A and B can do a piece of work in 30 days while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work ?
A.	18 days
B.	24 days
C.	30 days
D.	36 days
Answer» B. 24 days

Discussion

381.	A and B together can do a work in 12 days. B and C together do it in 15 days. If A s efficiency is twice that of C, then the days required for B alone to finish the work is
A.	60 days
B.	30 days
C.	20 days
D.	15 days
Answer» D. 15 days

Discussion

382.	If 16 men or 20 women can do a piece of work in 25 days. In what time will 28 men and 15 women do it?
A.
B.	<table><tr><td rowspan="2">14</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td><td rowspan="2">days</td></tr><td align="center">7</td></table>
C.	<table><tr><td rowspan="2">33</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">3</td></table>
D.	<table><tr><td rowspan="2">18</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td><td rowspan="2">days</td></tr><td align="center">4</td></table>
E.	10 days
Answer» E. 10 days

Discussion

383.	A can do a work in 12 days. When he had worked for 3 days, B joined him. If they complete the work in 3 more days, in how many days can B alone finish the work?
A.	6 days
B.	12 days
C.	4 days
D.	8 days
Answer» B. 12 days

Discussion

384.	A and B can do a job in 6 and 12 days respectively. They began the work together but A leaves after 3 days. Then the total number of days needed for the completion of the work is :
A.	4 days
B.	5 days
C.	6 days
D.	9 days
Answer» D. 9 days

Discussion

385.	A and B together can complete a work in 8 days and B and C to- gether in 12 days. All of the three together can complete the work in 6 days. In how much time will A and C together complete the work ?
A.	8 days
B.	10 days
C.	12 days
D.	20 days
Answer» B. 10 days

Discussion

386.	A man, a woman and a boy can complete a job in 3, 4 and 12 days respectively. How many boys must assist 1 man and 1 woman to complete the job in 1/4 of a day?
A.	1
B.	4
C.	19
D.	41
Answer» E.

Discussion

387.	A is 50% as efficient as B. C does half of the work done by A and B together. If C alone does the work in 20 days, then A, B and C together can do the work in
A.	<table><tr><td rowspan="2">5</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td><td rowspan="2">days</td></tr><td align="center">3</td></table>
B.	<table><tr><td rowspan="2">6</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td><td rowspan="2">days</td></tr><td align="center">3</td></table>
C.	6 days
D.	7 days
Answer» C. 6 days

Discussion

388.	Working efficiencies of P and Q for completing a piece of work are in the ratio 3 : 4. The number of days to be taken by them to complete the work will be in the ratio
A.	3 : 2
B.	2 : 3
C.	3 : 4
D.	4 : 3
Answer» E.

Discussion

389.	A can do a piece of work in 12 days and B can do it in 18 days. They work together for 2 days and then A leaves. How long will B take to finish the remaining work ?
A.	6 days
B.	8 days
C.	10 days
D.	13 days
Answer» E.

Discussion

390.	If 3 men or 6 women can do a piece of work in 16 days, in how many days can 12 men and 8 women do the same piece of work?
A.	4 days
B.	5 days
C.	3 days
D.	2 days
Answer» D. 2 days

Discussion

391.	A is thrice as good a workman as B and is, therefore, able to finish a piece of work in 60 days less than B. The time (in days) in which they can do it working together is
A.	22 days
B.
C.	<table><tr><td rowspan="2">22</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>
D.	23 days
E.	<table><tr><td rowspan="2">23</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">4</td></table>
Answer» C. <table><tr><td rowspan="2">22</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>

Discussion

392.	A contractor undertakes to make a road in 40 days and employs 25 men. After 24 days, he finds that only one-third of the road is made. How many extra men should he employ so that he is able to complete the work 4 days earlier?
A.	100
B.	60
C.	75
D.	None of these
Answer» D. None of these

Discussion

393.	A and B can do a work in 18 and 24 days respectively. They worked together for 8 days and then A left. The remaining work was finished by B in :
A.	5 days
B.	<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;">3</td></tr></table>
C.	8 days
D.	10 days
Answer» C. 8 days

Discussion

394.	A does 20% less work than B. If A can complete a piece of work in
A.	<table><tr><td rowspan="2">6</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">hours </td></tr><td align="center">2</td></table>
B.	6 hours
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">hours </td></tr><td align="center">2</td></table>
D.	5 hours
Answer» 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">hours </td></tr><td align="center">2</td></table>

Discussion

395.	A can do a piece of work in 30 days while B can do it in 40 days. In how many days can A and B working together do it ?
A.
B.	<table><tr><td rowspan="2">42</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td><td rowspan="2">days</td></tr><td align="center">4</td></table>
C.	<table><tr><td rowspan="2">27</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">7</td></table>
D.	<table><tr><td rowspan="2">17</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">7</td></table>
E.	70 days
Answer» D. <table><tr><td rowspan="2">17</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">7</td></table>

Discussion

396.	Twenty women together can complete a work in 16 days. 16 men together can complete the same work in 15 days. The ratio of the working capacity of a man to that of a woman is :
A.	3 : 4
B.	4 : 3
C.	5 : 3
D.	4 : 5
Answer» C. 5 : 3

Discussion

397.	5 men can do a piece of work in 6 days while 10 women can do it in 5 days. In how many days can 5 women and 3 men do it ?
A.	4 days
B.	5 days
C.	6 days
D.	8 days
Answer» C. 6 days

Discussion

398.	Kamal can do a work in 15 days. Bimal is 50 per cent more efficient than Kamal in doing the work. In how many days will Bimal do that work?
A.	14 days
B.	12 days
C.	10 days
D.	<table><tr><td rowspan="2">10</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>
Answer» D. <table><tr><td rowspan="2">10</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>

Discussion

399.	A man and a woman working together can do a certain work in 18 days. Their skills in doing the work are in the ratio 3 : 2.
A.	45 days
B.	36 days
C.	27 days
D.	30 days
Answer» B. 36 days

Discussion

400.	A and B together can do a work in 8 days, B and C together in 6 days while C and A together in 10 days, if they all work together, the work will be completed in :
A.	<table><tr><td rowspan="2">3</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td><td rowspan="2">days</td></tr><td align="center">4</td></table>
B.	<table><tr><td rowspan="2">3</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td><td rowspan="2">days</td></tr><td align="center">7</td></table>
C.
D.	<table><tr><td rowspan="2">5</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">47</td></table>
E.	<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">9</td></table>
Answer» D. <table><tr><td rowspan="2">5</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">47</td></table>

Discussion

Explore topic-wise MCQs in Aptitude.

A job can be completed by 12 men in 12 days. How many extra days will be needed to complete the job if 6 men leave after working for 6 days ?

A and B can complete a piece of work in 8 days, B and C can do it in 12 days, C and A can do it in 8 days. A, B and C together can complete it in

A is twice as good a workman as B and B is twice as good a workman as C. If A and B can together finish a piece of work in 4 days, then C can do it by himself in

60 men could complete a work in 250 days. They worked together for 200 days. After that the work had to be stopped for 10 days due to bad weather.

A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days, B had to leave and A alone completed the remaining work. The whole work was completed in :

A and B can do a piece of work in 28 and 35 days respectively. They began to work together but A leaves after sometime and B completed remaining work in 17 days. After how many days did A leave ?

6 men or 12 women can do a piece of work in 20 days. In how many days can 8 men and 16 women do twice as big as this work ?

A and B together can complete a work in 15 days. A is 50% more efficient worker than B. How long will A take to complete the work alone ?

A, B and C completed a work costing 1,800. A worked for 6 days, B for 4 days and C for 9 days. If their daily wages are in the ratio of 5 : 6 : 4, how much amount will be received by A?

Working 5 hours a day, A can complete a work in 8 days and working 6 hours a day, B can complete the same work in 10 days. Working 8 hours a day, they can jointly complete the work in

A and B can do a piece of work in 20 days and 12 days respectively. A started the work alone and then after 4 days B joined him till the completion of the work. How long did the work last ?

If 3 men or 4 women can plough a field in 43 days, how long will 7 men and 5 women take to plough it ?

A and B working separately can do a piece of work in 10 days and 15 days respectively. If they work on alternate days beginning with A, in how many days will the work be completed ?

If A and B together can complete a work in 12 days, B and C together in 15 days and C and A together in 20 days, then B alone can complete the work in

A and B can do a work in 45 days and 40 days respectively. They began the work together but A left after some time and B completed the remaining work in 23 days. After how many days of the start of the work did A leave ?

If two persons, with equal abilities, can do two jobs in two days, then 100 persons with equal abilities can do 100 similar jobs in

A certain number of persons can complete a piece of work in 55 days. If there were 6 persons more, the work could be finished in 11 days less. How many persons were originally there ?

If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complete the work ?

A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days. The remaining work was done by A in :

8 men can do a work in 12 days. After 6 days of work, 4 more men were engaged to finish the work. In how many days would the remaining work be completed?

If A and B together can complete a work in 18 days, A and C together in 12 days and B and C together in 9 days, then B alone can do the work in

Ganga and Saraswati, working separately can mow a field in 8 and 12 hours respectively. If they work in stretches of one hour alternately, Ganga beginning at 9 a.m., when will the moving be completed ?

A and B can together finish a work in 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the job ?

A man and a boy can complete a work together in 24 days. If for the last six days man alone does the work then it is completed in 26 days. How long the boy will take to complete the work alone ?

A daily-wage labourer was engaged for a certain number of days for 5,750; but being absent on some of those days he was paid only 5,000. What was his maximum possible daily wage?

If 5 men or 8 women can do a piece of work in 12 days, how many days will be taken by 2 men and 4 women to do the same work?

Tapas works twice as fast as Mihir. If both of them together complete a work in 12 days, Tapas alone can complete it in

A road of 5 km length will be constructed in 100 days. So 280 workers were employed. But after 80 days it was found that only

A and B together can complete a work in 8 days. B alone can complete that work in 12 days. B alone worked for four days. After that how long will A alone take to complete the work ?

A and B can do a piece of work in 30 days while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work ?

A and B together can do a work in 12 days. B and C together do it in 15 days. If A s efficiency is twice that of C, then the days required for B alone to finish the work is

If 16 men or 20 women can do a piece of work in 25 days. In what time will 28 men and 15 women do it?

A can do a work in 12 days. When he had worked for 3 days, B joined him. If they complete the work in 3 more days, in how many days can B alone finish the work?

A and B can do a job in 6 and 12 days respectively. They began the work together but A leaves after 3 days. Then the total number of days needed for the completion of the work is :

A and B together can complete a work in 8 days and B and C to- gether in 12 days. All of the three together can complete the work in 6 days. In how much time will A and C together complete the work ?

A man, a woman and a boy can complete a job in 3, 4 and 12 days respectively. How many boys must assist 1 man and 1 woman to complete the job in 1/4 of a day?

A is 50% as efficient as B. C does half of the work done by A and B together. If C alone does the work in 20 days, then A, B and C together can do the work in

Working efficiencies of P and Q for completing a piece of work are in the ratio 3 : 4. The number of days to be taken by them to complete the work will be in the ratio

A can do a piece of work in 12 days and B can do it in 18 days. They work together for 2 days and then A leaves. How long will B take to finish the remaining work ?

If 3 men or 6 women can do a piece of work in 16 days, in how many days can 12 men and 8 women do the same piece of work?

A is thrice as good a workman as B and is, therefore, able to finish a piece of work in 60 days less than B. The time (in days) in which they can do it working together is

A contractor undertakes to make a road in 40 days and employs 25 men. After 24 days, he finds that only one-third of the road is made. How many extra men should he employ so that he is able to complete the work 4 days earlier?

A and B can do a work in 18 and 24 days respectively. They worked together for 8 days and then A left. The remaining work was finished by B in :

A does 20% less work than B. If A can complete a piece of work in

A can do a piece of work in 30 days while B can do it in 40 days. In how many days can A and B working together do it ?

Twenty women together can complete a work in 16 days. 16 men together can complete the same work in 15 days. The ratio of the working capacity of a man to that of a woman is :

5 men can do a piece of work in 6 days while 10 women can do it in 5 days. In how many days can 5 women and 3 men do it ?

Kamal can do a work in 15 days. Bimal is 50 per cent more efficient than Kamal in doing the work. In how many days will Bimal do that work?

A man and a woman working together can do a certain work in 18 days. Their skills in doing the work are in the ratio 3 : 2.

A and B together can do a work in 8 days, B and C together in 6 days while C and A together in 10 days, if they all work together, the work will be completed in :