12 men can do a piece of work in 15 days and 20 women can do the same work in 12 days. In how many days can 5 men and 5 women complete the same work ?

${\text{2}}\frac{4}{7}{\text{ days}}$$

${\text{20}}\frac{4}{7}{\text{ days}}$$

${\text{2}}\frac{4}{7}{\text{ days}}$$

${\text{20}}\frac{3}{7}{\text{ days}}$$

A completes $$\frac{7}{{10}}$$of the work 15 days. Then he completes the remaining work the help of B in 4 days. The time required for A and B together to complete the entire work is = ?

${\text{8}}\frac{1}{4}{\text{days}}$$

A can do a certain work in 12 days. B is 60% more efficient then A. How many days will B and A together take to do the same job?

$\frac{{80}}{{13}}{\text{days}}$$

$\frac{{70}}{{13}}{\text{days}}$$

$\frac{{75}}{{13}}{\text{days}}$$

$\frac{{60}}{{13}}{\text{days}}$$

A and B can do a job in 7 days. A is $${\text{1}}\frac{3}{4}$$times as efficient as B. The same job can be done by A alone in ?

$12\frac{1}{4}\,{\text{days}}$$

$16\frac{1}{3}\,{\text{days}}$$

A is thrice as good a workman as B and so takes 60 days less than B for doing a job. The time in which they can do the job together is = ?

$22\frac{1}{2}\,{\text{days}}$$

If p men working p hours per day for p days produce p units of work, then the units of work produced by n men working n hours a day for days is = ?

$\frac{{{{\text{p}}^{\text{2}}}}}{{{{\text{n}}^{\text{2}}}}}$$

$\frac{{{{\text{p}}^{\text{3}}}}}{{{{\text{n}}^{\text{2}}}}}$$

$\frac{{{{\text{n}}^{\text{2}}}}}{{{{\text{p}}^{\text{2}}}}}$$

$\frac{{{{\text{n}}^{\text{3}}}}}{{{{\text{p}}^{\text{2}}}}}$$

X alone can complete a piece of work in 40 days. He worked for 8 days and left. Y alone completed the remaining work in 16 days. How long would X and Y together take to complete the work ?

$13\frac{1}{3}\,{\text{days}}$$

$16\frac{2}{3}\,{\text{days}}$$

452 + Mcqs in Time and Work Page 7 McqOptions

301.	12 men can do a piece of work in 15 days and 20 women can do the same work in 12 days. In how many days can 5 men and 5 women complete the same work ?
A.	${\text{20}}\frac{4}{7}{\text{ days}}$$
B.	${\text{2}}\frac{4}{7}{\text{ days}}$$
C.	${\text{20}}\frac{3}{7}{\text{ days}}$$
D.	8 days
Answer» B. ${\text{2}}\frac{4}{7}{\text{ days}}$$

Discussion

302.	Working efficiencies of P and Q for completing a piece of working 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.	: 2
B.	: 3
C.	: 4
D.	: 3
Answer» E.

Discussion

303.	X can do a piece of work in 24 days. When he had worked for 4 days, Y joined him. If complete work was finished in 16 days, Y can alone finish that work in ?
A.	7 days
B.	6 days
C.	2 days
D.	8 days
Answer» C. 2 days

Discussion

304.	P and Q together can do a job in 6 days. Q and R can finish the same job in $$\frac{{60}}{7}$$days. P started the work and worked for 3 days. Q and R continued for 6 days to finish the work. Then the difference of days in which R and P can complete the alone is P can complete the job alone is ?
A.	0 days
B.	days
C.	2 days
D.	5 days
Answer» B. days

Discussion

305.	A, B and C completed a work costing Rs. 1800. 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.	s. 600
B.	s. 750
C.	s. 800
D.	s. 900
Answer» B. s. 750

Discussion

306.	If 12 carpenters working 6 hours a day can make 460 chairs in 240 days, then number of chairs made by 18 carpenters in 360 days each working 8 hours a day ?
A.	320
B.	380
C.	260
D.	20
Answer» C. 260

Discussion

307.	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.	y : 2x
B.	x : 3y
C.	: y
D.	y : 3x
Answer» B. x : 3y

Discussion

308.	A man and a boy can do a piece of work in 24 days. If the man works alone for the last 6 days, it is completed in 26 days. How long would the boy take to do it alone ?
A.	0 days
B.	4 days
C.	6 days
D.	2 days
Answer» E.

Discussion

309.	A completes $$\frac{7}{{10}}$$of the work 15 days. Then he completes the remaining work the help of B in 4 days. The time required for A and B together to complete the entire work is = ?
A.	${\text{8}}\frac{1}{4}{\text{days}}$$
B.	$10\frac{1}{2}{\text{days}}$$
C.	$12\frac{2}{3}{\text{days}}$$
D.	$13\frac{1}{3}{\text{days}}$$
Answer» E.

Discussion

310.	A can complete a piece of work in 10 days, B in 15 days and C in 20 days. A and C together for 2 days and A was replaced by B. In how many days, altogether, was the work complete ?
A.	days
B.	days
C.	5 days
D.	6 days
Answer» C. 5 days

Discussion

311.	A does half as much work as B in one-sixth of the time. If together they take 10 days to complete a work. How much time shall B alone take to do it ?
A.	0 days
B.	0 days
C.	0 days
D.	0 days
Answer» C. 0 days

Discussion

312.	A can do a piece of work in 15 days, which B can do it in 10 days. B worked at it for 8 days. A can finish the remaining work in?
A.	days
B.	days
C.	days
D.	0 days
Answer» C. days

Discussion

313.	A, B and C can separately do a work in 12, 15 and 20 days respectively. They started to work together but C left after 2 days. The remaining work will be finished in = ?
A.	days
B.	days
C.	days
D.	5 days
Answer» B. days

Discussion

314.	A does 20% less work than B. If A can complete a piece of work in $${\text{7}}\frac{1}{2}$$hours, then B can do it in ?
A.	hours
B.	hours
C.	hours
D.	hours
Answer» D. hours

Discussion

315.	Kamal can do a work in 15 days. Bimal is 50%more efficient then Kamal. The number of days, Bimal will take to do the same piece of work, is = ?
A.	$7\frac{1}{2}$$
B.	0
C.	2
D.	4
Answer» C. 2

Discussion

316.	A can complete a piece of work in 18 days, B in 20 days and C in 30 days. B and C together start the work and are forced to leave after 2 days. The time taken by A alone to complete the remaining work is ?
A.	0 days
B.	2 days
C.	5 days
D.	6 days
Answer» D. 6 days

Discussion

317.	A man undertakes to do a certain work in 150 days. He employs 200 men. He finds that only a quarter of the work is done in 50 days. The number of additional men that should be appointed so that the whole work will be finished in time is = ?
A.	5
B.	00
C.	25
D.	0
Answer» C. 25

Discussion

318.	A contractor undertook to finish a work in 92 days and employed 110 men. After 48 days, he found that he had already done $$\frac{3}{5}$$part of the work, the number of men he can withdraw so that his work may still be finished in time is ?
A.	5
B.	0
C.	5
D.	0
Answer» E.

Discussion

319.	If 4 men or 6 women can do a piece of work in 12 days working 7 hours a day, how many days will it take to complete a work twice as large with 10 men and 3 women working together 8 hours a day ?
A.	days
B.	days
C.	days
D.	0 days
Answer» C. days

Discussion

320.	Some carpenters promised to do a job in 9 days but 5 of them were absent and remaining men did the job in 12 day. The original number of carpenters was ?
A.	4
B.	0
C.	6
D.	8
Answer» C. 6

Discussion

321.	A can do a certain work in 12 days. B is 60% more efficient then A. How many days will B and A together take to do the same job?
A.	$\frac{{80}}{{13}}{\text{days}}$$
B.	$\frac{{70}}{{13}}{\text{days}}$$
C.	$\frac{{75}}{{13}}{\text{days}}$$
D.	$\frac{{60}}{{13}}{\text{days}}$$
Answer» E.

Discussion

322.	A can do a piece of work in 70 days and B is 40%more efficient then A. Then the number of days taken by B to do the same work is = ?
A.	0 dayd
B.	0 days
C.	0 days
D.	5 days
Answer» D. 5 days

Discussion

323.	A road of 5 m length will be constructed in 100 days. So, 280 workers were employed. But after 80 days it was found that only $${\text{3}}\frac{1}{2}$$km road was completed. Now how many more people were need to finish the work in the specified time ?
A.	80
B.	0
C.	00
D.	00
Answer» D. 00

Discussion

324.	A and B can do a job in 7 days. A is $${\text{1}}\frac{3}{4}$$times as efficient as B. The same job can be done by A alone in ?
A.	$9\frac{1}{3}\,{\text{days}}$$
B.	${\text{11 days}}$$
C.	$12\frac{1}{4}\,{\text{days}}$$
D.	$16\frac{1}{3}\,{\text{days}}$$
Answer» C. $12\frac{1}{4}\,{\text{days}}$$

Discussion

325.	Madhu takes twice as much time as Uma to complete a work and Rahul does it in the same time as Madhu and Uma together. If all three working together can finish the work in 6 days, then the time taken by Madhu to finish the work is = ?
A.	2 days
B.	4 days
C.	6 days
D.	0 days
Answer» D. 0 days

Discussion

326.	A can build a wall in the same time in which B and C together can do it. If A and B together can do it. If A and B together could do it in 25 days and C alone in 35 days, in what time could B alone do it ?
A.	1 days
B.	00 days
C.	75 days
D.	one of these
Answer» D. one of these

Discussion

327.	A and B can do a piece of work in 12 days, B and C in 8 days and C and A in 6 days. How long would B take to do the same work alone ?
A.	4 days
B.	2 days
C.	0 days
D.	8 days
Answer» E.

Discussion

328.	60 men could complete a piece of work in 250 days. They worked together for 200 days. After that work had to be stopped for 10 days due to bad weather. How many more men should be engaged to complete the work in time ?
A.	0
B.	5
C.	8
D.	0
Answer» C. 8

Discussion

329.	A is thrice as good a workman as B and so takes 60 days less than B for doing a job. The time in which they can do the job together is = ?
A.	$22\frac{1}{2}\,{\text{days}}$$
B.	${\text{30 days}}$$
C.	${\text{45 days}}$$
D.	${\text{60 days}}$$
Answer» B. ${\text{30 days}}$$

Discussion

330.	A is twice as good a workman as B. If they work together, they can complete a job in 18 days. If A alone does the job, in how many days he will complete the job ?
A.	7 days
B.	6 days
C.	0 days
D.	4 days
Answer» B. 6 days

Discussion

331.	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.	00 days
B.	0 days
C.	days
D.	days
Answer» E.

Discussion

332.	If p men working p hours per day for p days produce p units of work, then the units of work produced by n men working n hours a day for days is = ?
A.	$\frac{{{{\text{p}}^{\text{2}}}}}{{{{\text{n}}^{\text{2}}}}}$$
B.	$\frac{{{{\text{p}}^{\text{3}}}}}{{{{\text{n}}^{\text{2}}}}}$$
C.	$\frac{{{{\text{n}}^{\text{2}}}}}{{{{\text{p}}^{\text{2}}}}}$$
D.	$\frac{{{{\text{n}}^{\text{3}}}}}{{{{\text{p}}^{\text{2}}}}}$$
Answer» E.

Discussion

333.	A 10 hectare field is reaped by 2 men, 3 women and 4 children together in 10 days. If working capabilities of a man, a woman and a child are in the ratio 5 : 4 : 2, then a 16 hectare field will be reaped by 6 men, 4 women and 7 children in = ?
A.	days
B.	days
C.	days
D.	days
Answer» E.

Discussion

334.	A job can be complete 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.	days
B.	days
C.	2 days
D.	4 days
Answer» C. 2 days

Discussion

335.	A work could be completed in 100 days by some workers. However, due to the absence of 10 workers, it was completed in 110 days. The original number of workers was ?
A.	00
B.	10
C.	5
D.	0
Answer» C. 5

Discussion

336.	10 men working 6 hours a day can complete a work in 18 days. How many hours a day must 15 men work to complete the same work in 12 days ?
A.	hours/day
B.	0 hours/day
C.	2 hours/day
D.	5 hours/day
Answer» B. 0 hours/day

Discussion

337.	A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in = ?
A.	days
B.	days
C.	days
D.	2 days
Answer» D. 2 days

Discussion

338.	A can do a piece of work in 4 hours, B and C together in 3 hours, and A and C together in 2 hours. How long will B alone take to do it ?
A.	hours
B.	0 hours
C.	2 hours
D.	4 hours
Answer» D. 4 hours

Discussion

339.	If 72 men can build a wall of 280 m length in 21 days, how many men could take 18 days to build a similar type of wall of length 10 m ?
A.	0
B.	0
C.	8
D.	8
Answer» B. 0

Discussion

340.	639 persons can repair a road in 12 days working 5 hours a day. In how many days will 30 persons working 6 hours a day complete the work ?
A.	10 days
B.	13 days
C.	14 days
D.	15 days
Answer» C. 14 days

Discussion

341.	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.	00
B.	0
C.	5
D.	one of these
Answer» D. one of these

Discussion

342.	A can do a piece of work in 10 days, B in 15 days. They work for 5 days. The rest of the work was finished by C in 2 days. If they get Rs. 1500 for the whole work, the daily wages of B and C are ?
A.	s. 150
B.	s. 225
C.	s. 250
D.	s. 300
Answer» C. s. 250

Discussion

343.	A sum of money is sufficient to pay A's wages for 21 days and B's wages for 28 days. The same money is sufficient to pay the wages of both for ?
A.	2 days
B.	3 days
C.	4 days
D.	5 days
Answer» B. 3 days

Discussion

344.	A and B together can do a piece of work in 30 days, B and C together can do it in 20 days, A starts the work and works on it for 5 days, B takes up and work for 15 days. Finally C finishes the work in 18 days. The number of days in which C alone can do the work where doing it separately is=?
A.	20 days
B.	0 days
C.	0 days
D.	4 days
Answer» E.

Discussion

345.	X alone can complete a piece of work in 40 days. He worked for 8 days and left. Y alone completed the remaining work in 16 days. How long would X and Y together take to complete the work ?
A.	$13\frac{1}{3}\,{\text{days}}$$
B.	${\text{14 days}}$$
C.	${\text{15 days}}$$
D.	$16\frac{2}{3}\,{\text{days}}$$
Answer» B. ${\text{14 days}}$$

Discussion

346.	A, B and C can complete a piece of work in 10, 12 and 15 days respectively. A left the work 5 days before the work was completed and B left 2 days after A had left. Number of days required to complete the whole work was ?
A.	days
B.	days
C.	days
D.	days
Answer» E.

Discussion

347.	16 women take 12 days to complete a work which can be completed by 12 men in 8 days. 16 men started working and after 3 days 10 men left and 4 women joined them. How many days will they take to complete the remaining work ?
A.	days
B.	days
C.	days
D.	0 days
Answer» C. days

Discussion

348.	A and B can together finish a piece of work in 30 days. They worked on it 20 days and then B left. The remaining work was done by A alone in 20 days. A alone can finish the work in = ?
A.	0 days
B.	4 days
C.	8 days
D.	0 days
Answer» B. 4 days

Discussion

349.	A and B together can complete a job in 8 days. Both B and C, working alone can finish the same job in 12 days, A and B commence work on the job, and work for 4 days, where upon A leaves, B continues for 2 more days, and then he leaves too, C now starts working, and finishes the job. How many days will C require to finish the remaining work ?
A.	days
B.	days
C.	days
D.	days
Answer» E.

Discussion

350.	A can do a piece of work in 14 days which B can do in 21 days. They begin together but 3 days before the completion of the work. A leaves off. The total number of days to complete the work is ?
A.	${\text{6}}\frac{3}{5}$$
B.	${\text{8}}\frac{1}{2}$$
C.	${\text{10}}\frac{1}{5}$$
D.	${\text{13}}\frac{1}{2}$$
Answer» D. ${\text{13}}\frac{1}{2}$$

Discussion

Explore topic-wise MCQs in General Aptitude.

12 men can do a piece of work in 15 days and 20 women can do the same work in 12 days. In how many days can 5 men and 5 women complete the same work ?

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

X can do a piece of work in 24 days. When he had worked for 4 days, Y joined him. If complete work was finished in 16 days, Y can alone finish that work in ?

P and Q together can do a job in 6 days. Q and R can finish the same job in $$\frac{{60}}{7}$$days. P started the work and worked for 3 days. Q and R continued for 6 days to finish the work. Then the difference of days in which R and P can complete the alone is P can complete the job alone is ?

A, B and C completed a work costing Rs. 1800. 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 ?

If 12 carpenters working 6 hours a day can make 460 chairs in 240 days, then number of chairs made by 18 carpenters in 360 days each working 8 hours a day ?

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 man and a boy can do a piece of work in 24 days. If the man works alone for the last 6 days, it is completed in 26 days. How long would the boy take to do it alone ?

A completes $$\frac{7}{{10}}$$of the work 15 days. Then he completes the remaining work the help of B in 4 days. The time required for A and B together to complete the entire work is = ?

A can complete a piece of work in 10 days, B in 15 days and C in 20 days. A and C together for 2 days and A was replaced by B. In how many days, altogether, was the work complete ?

A does half as much work as B in one-sixth of the time. If together they take 10 days to complete a work. How much time shall B alone take to do it ?

A can do a piece of work in 15 days, which B can do it in 10 days. B worked at it for 8 days. A can finish the remaining work in?

A, B and C can separately do a work in 12, 15 and 20 days respectively. They started to work together but C left after 2 days. The remaining work will be finished in = ?

A does 20% less work than B. If A can complete a piece of work in $${\text{7}}\frac{1}{2}$$hours, then B can do it in ?

Kamal can do a work in 15 days. Bimal is 50%more efficient then Kamal. The number of days, Bimal will take to do the same piece of work, is = ?

A can complete a piece of work in 18 days, B in 20 days and C in 30 days. B and C together start the work and are forced to leave after 2 days. The time taken by A alone to complete the remaining work is ?

A man undertakes to do a certain work in 150 days. He employs 200 men. He finds that only a quarter of the work is done in 50 days. The number of additional men that should be appointed so that the whole work will be finished in time is = ?

A contractor undertook to finish a work in 92 days and employed 110 men. After 48 days, he found that he had already done $$\frac{3}{5}$$part of the work, the number of men he can withdraw so that his work may still be finished in time is ?

If 4 men or 6 women can do a piece of work in 12 days working 7 hours a day, how many days will it take to complete a work twice as large with 10 men and 3 women working together 8 hours a day ?

Some carpenters promised to do a job in 9 days but 5 of them were absent and remaining men did the job in 12 day. The original number of carpenters was ?

A can do a certain work in 12 days. B is 60% more efficient then A. How many days will B and A together take to do the same job?

A can do a piece of work in 70 days and B is 40%more efficient then A. Then the number of days taken by B to do the same work is = ?

A road of 5 m length will be constructed in 100 days. So, 280 workers were employed. But after 80 days it was found that only $${\text{3}}\frac{1}{2}$$km road was completed. Now how many more people were need to finish the work in the specified time ?

A and B can do a job in 7 days. A is $${\text{1}}\frac{3}{4}$$times as efficient as B. The same job can be done by A alone in ?

Madhu takes twice as much time as Uma to complete a work and Rahul does it in the same time as Madhu and Uma together. If all three working together can finish the work in 6 days, then the time taken by Madhu to finish the work is = ?

A can build a wall in the same time in which B and C together can do it. If A and B together can do it. If A and B together could do it in 25 days and C alone in 35 days, in what time could B alone do it ?

A and B can do a piece of work in 12 days, B and C in 8 days and C and A in 6 days. How long would B take to do the same work alone ?

60 men could complete a piece of work in 250 days. They worked together for 200 days. After that work had to be stopped for 10 days due to bad weather. How many more men should be engaged to complete the work in time ?

A is thrice as good a workman as B and so takes 60 days less than B for doing a job. The time in which they can do the job together is = ?

A is twice as good a workman as B. If they work together, they can complete a job in 18 days. If A alone does the job, in how many days he will complete the job ?

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 = ?

If p men working p hours per day for p days produce p units of work, then the units of work produced by n men working n hours a day for days is = ?

A 10 hectare field is reaped by 2 men, 3 women and 4 children together in 10 days. If working capabilities of a man, a woman and a child are in the ratio 5 : 4 : 2, then a 16 hectare field will be reaped by 6 men, 4 women and 7 children in = ?

A job can be complete 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 work could be completed in 100 days by some workers. However, due to the absence of 10 workers, it was completed in 110 days. The original number of workers was ?

10 men working 6 hours a day can complete a work in 18 days. How many hours a day must 15 men work to complete the same work in 12 days ?

A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in = ?

A can do a piece of work in 4 hours, B and C together in 3 hours, and A and C together in 2 hours. How long will B alone take to do it ?

If 72 men can build a wall of 280 m length in 21 days, how many men could take 18 days to build a similar type of wall of length 10 m ?

639 persons can repair a road in 12 days working 5 hours a day. In how many days will 30 persons working 6 hours a day complete the work ?

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 can do a piece of work in 10 days, B in 15 days. They work for 5 days. The rest of the work was finished by C in 2 days. If they get Rs. 1500 for the whole work, the daily wages of B and C are ?

A sum of money is sufficient to pay A's wages for 21 days and B's wages for 28 days. The same money is sufficient to pay the wages of both for ?

A and B together can do a piece of work in 30 days, B and C together can do it in 20 days, A starts the work and works on it for 5 days, B takes up and work for 15 days. Finally C finishes the work in 18 days. The number of days in which C alone can do the work where doing it separately is=?

X alone can complete a piece of work in 40 days. He worked for 8 days and left. Y alone completed the remaining work in 16 days. How long would X and Y together take to complete the work ?

A, B and C can complete a piece of work in 10, 12 and 15 days respectively. A left the work 5 days before the work was completed and B left 2 days after A had left. Number of days required to complete the whole work was ?

16 women take 12 days to complete a work which can be completed by 12 men in 8 days. 16 men started working and after 3 days 10 men left and 4 women joined them. How many days will they take to complete the remaining work ?

A and B can together finish a piece of work in 30 days. They worked on it 20 days and then B left. The remaining work was done by A alone in 20 days. A alone can finish the work in = ?

A can do a piece of work in 14 days which B can do in 21 days. They begin together but 3 days before the completion of the work. A leaves off. The total number of days to complete the work is ?