1728 + Mcqs in Time and Work Page 26 McqOptions

1251.	A and B can do a job together in 7 days. A is 13/4 times as efficient as B. The same job can be done by A alone in
A.	(A's 1 day's work) : (B's 1 day's work) = 7/4 : 1 = 7 : 4.
B.	Let A's and B's 1 day's work be 7x and 4x respectively.
C.	Then, 7x + 4x = 1/7 => 11x = 1/7 => x = 1/77 .
D.	Therefore A's 1 day's work = ( 1/77 x 7 ) = 1/11 = 11 days
Answer» B. Let A's and B's 1 day's work be 7x and 4x respectively.

Discussion

1252.	Sixty men can stitch 200 shirts in 30 days working 8 hours a day. In how many days can 45 men stitch 300 shirts working 6 hours a day?
A.	60
B.	90
C.	70
D.	80
Answer» E.

Discussion

1253.	Thirty men can do a work in 24 days. In how many days can 20 men can do the work, given that the time spent per day is increased by one-third of the previous time?
A.	30
B.	28
C.	24
D.	None of these
Answer» E.

Discussion

1254.	A certain number of men can do a work in 65 days working 6 hours a day. If the number of men are decreased by one-fourth, then for how many hours per day should they work in order to complete the work
A.	14
B.	13
C.	16
D.	15
Answer» C. 16

Discussion

1255.	Twenty four men can do a work in 35 days. How many men are required to complete the work in 21 days?
A.	38
B.	40
C.	36
D.	42
Answer» C. 36

Discussion

1256.	Two persons A and B can complete a piece of work in 30 days and 45 days respectively. If they work together, what part of the work will be completed in 3 days?
A.	1/3
B.	1/4
C.	1/6
D.	1/18
Answer» D. 1/18

Discussion

1257.	Eight men, ten women and six boys together can complete a piece of work in eight days. In how many days can 20 women complete the same work if 20 men can complete it in 12 days?
A.	9
B.	7.5
C.	6
D.	Cannot be determined
Answer» E.

Discussion

1258.	Twelve men and six women together can complete a piece of work in four days. The work done by a women in one day is half the work done by a man in one day. If 12 men and six women started working and
A.	1(1/2)
B.	1
C.	2
D.	2(1/2)
Answer» E.

Discussion

1259.	Two men can complete a piece of work in four days. Two women can complete the same work in eight days. Four boys can complete the same work in five days. If four men, eight women and 20 boys work toge
A.	1/2 day
B.	1(1/2) days
C.	1 day
D.	2 days
Answer» B. 1(1/2) days

Discussion

1260.	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?
A.	24
B.	18
C.	20
D.	22
Answer» D. 22

Discussion

1261.	If 12 men or 20 women can do a piece of work in 54 days, then in how many days can 9 men and 12 women together do the work?
A.	35
B.	38
C.	40
D.	32
Answer» D. 32

Discussion

1262.	A and B can do a work in 12 days and 36 days respectively. If they work on alternate days beginning with B, in how many days will the work be completed?
A.	20 2/3
B.	9
C.	24
D.	None of these
Answer» E.

Discussion

1263.	Twelve men can complete a piece of work in 32 days. The same work can be completed by 16 women in 36 days and by 48 boys in 16 days. Find the time taken by one man, one woman and one boy working toget
A.	(64 * 36)/13 days
B.	(32 * 36)/13 days
C.	(96 * 36)/13 days
D.	(128 * 36)/13 days
Answer» B. (32 * 36)/13 days

Discussion

1264.	Sreedhar and Sravan together can do a work in 25 days. With the help of Pavan, they completed the work in 8 days and earned Rs. 225. What is the share of Sravan, if Sreedhar alone can do the work in 7
A.	Rs. 64
B.	Rs. 52
C.	Rs. 48
D.	Rs. 58
Answer» D. Rs. 58

Discussion

1265.	X men can do a work in 120 days. If there were 20 men less, the work would have taken 60 days more. What is the value of X?
A.	60
B.	40
C.	50
D.	70
Answer» B. 40

Discussion

1266.	A, B and C can do a work in 7 , 14 and 21 days respectively. They completed the work and got Rs.242. What is the share of C?
A.	Rs.55
B.	Rs.44
C.	Rs.66
D.	Rs.77
Answer» C. Rs.66

Discussion

1267.	3 men, 4 women and 6 children can complete a work in 7 days. A woman does double the work a man does and a child does half the work a man does. How many women alone can complete this work in 7 days?
A.	7
B.	8
C.	2
D.	Cannot be determined
Answer» B. 8

Discussion

1268.	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

1269.	12 men can complete a piece of work in 4 days, while 15 women can complete the same work in 4 days. 6 men start working on the job and after working for 2 days, all of them stopped working. How many w
A.	15
B.	18
C.	22
D.	Data inadequate
Answer» B. 18

Discussion

1270.	10 men and 15 women together can complete a work in 6 days. It takes 100 days for one man alone to complete the same work. How many days will be required for one woman alone to complete the same work?
A.	90
B.	125
C.	145
D.	None of these
Answer» B. 125

Discussion

1271.	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, the time taken by 15 men and 20 boys in doing the same type of work will be?
A.	4 days
B.	5 days
C.	6 days
D.	5 days
Answer» B. 5 days

Discussion

1272.	If 12 men and 16 boys can do a piece of work in 5 days; 13 men and 24 boys can do it in 4 days, then the ratio of the daily work done by a man to that of a boy is?
A.	2:1
B.	3:1
C.	3:2
D.	5:4
Answer» B. 3:1

Discussion

1273.	A take twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in?
A.	4 hours
B.	6 hours
C.	8 hours
D.	12 hours
Answer» C. 8 hours

Discussion

1274.	A man can do a job in 15 days. His father takes 20 days and his son finishes it in 25 days. How long will they take to complete the job if they all work together?
A.	Less than 6 days
B.	Exactly 6 days
C.	Approximately 6.4 days
D.	More than 10 days
Answer» D. More than 10 days

Discussion

1275.	A does a work in 10 days and B does the same work in 15 days. In how many days they together will do the same work?
A.	5 days
B.	6 days
C.	8 days
D.	9 days
Answer» C. 8 days

Discussion

1276.	20 women can do a work in 9 days. After they have worked for 6 days. 6 more men join them. How many days will they take to complete the remaining work?
A.	3:4
B.	4:3
C.	5:3
D.	Data inadequate
Answer» C. 5:3

Discussion

1277.	A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days A do the work if he is assisted by B and C on every third day?
A.	12 days
B.	15 days
C.	16 days
D.	18 days
Answer» C. 16 days

Discussion

1278.	Kim can do a work in 3 days while David can do the same work in 2 days. Both of them finish the work together and get Rs. 150. What is the share of Kim?
A.	30
B.	60
C.	70
D.	75
Answer» C. 70

Discussion

1279.	12 men complete a work in 9 days. After they have worked for 6 days, 6 more men join them. How many days will they take to complete the remaining work?
A.	2 days
B.	3 days
C.	4 days
D.	5 days
Answer» B. 3 days

Discussion

1280.	A and B can do a work in 12 days, B and C in 15 days, C and A in 20 days. If A, B and C work together, they will complete the work in?
A.	5 days
B.	7 5/6 days
C.	10 days
D.	15 2/3 days
Answer» D. 15 2/3 days

Discussion

1281.	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.	4 days
B.	6 days
C.	8 days
D.	12 days
Answer» D. 12 days

Discussion

1282.	A can do a piece of work in 4 hours; B and C together can do it in 3 hours, which A and C together can do it in 2 hours. How long will B alone take to do it?
A.	8 hours
B.	10 hours
C.	12 hours
D.	24 hours
Answer» D. 24 hours

Discussion

1283.	Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is?
A.	15
B.	16
C.	18
D.	25
Answer» C. 18

Discussion

1284.	Ronald and Elan are working on an assignment. Ronald takes 6 hrs to type 32 pages on a computer, while Elan takes 5 hrs to type 40 pages. How much time will they take, working together on two differen
A.	7 hrs 30 min
B.	8 hrs
C.	8 hrs 15 min
D.	8 hrs 25 min
Answer» D. 8 hrs 25 min

Discussion

1285.	28 men can complete a piece of work in 21 days. How many more men must be hired to complete the work in 14 days ?
A.	12
B.	14
C.	16
D.	20
Answer» C. 16

Discussion

1286.	A can finish a work in 12 days and B can finish the same work in 24 days. How many days will they take to finish the work together ?
A.	4 days
B.	8 days
C.	10 days
D.	14 days
Answer» C. 10 days

Discussion

1287.	A person walking 5/6 of his usual rate is 40 minutes late. What is his usual time?
A.	1 hours 35 minutes
B.	1 hours 10 minutes
C.	2 hours 30 minutes
D.	3 hours 20 minutes
Answer» E.

Discussion

1288.	A and B can together finish work in 30 days. They worked at it for 10 days together & then B left. The remaining work was done by A alone in 30 more days. B alone can finish the work in
A.	20 days
B.	40 days
C.	60 days
D.	90 days
Answer» E.

Discussion

1289.	How many seconds will a train 100 meters long take to cross a bridge 150 meters long if the speed of the train is 36 kmph?
A.	18
B.	22
C.	25
D.	28
Answer» D. 28

Discussion

1290.	A can do a work in 24 days and B can do it in 8 days. In how many days A and B can do the work?
A.	20 days
B.	10 days
C.	6 days
D.	8 days
Answer» D. 8 days

Discussion

1291.	A and B together can do a work In 4 days. A alone can do it in 12days.what time B will take to do the work alone?
A.	6 days
B.	8 days
C.	12 days
D.	10 days
Answer» B. 8 days

Discussion

1292.	A can do a work in 60days and B in 12 days.Then A and B together do the work in,how many days?
A.	5 days
B.	4 days
C.	10 days
D.	2 days
Answer» D. 2 days

Discussion

1293.	If the production of a factory grows at a rate of 8% p.a., what will be its production for the year 2006 if its production in 2004 was 60 lakh tonnes (Rounded off to two digits after decimal) ?
A.	39.98 lakh tonnes
B.	49.98 lakh tonnes
C.	59.98 lakh tonnes
D.	69.98 lakh tonnes
Answer» E.

Discussion

1294.	Computer A takes 3 minutes to process an input while computer B takes 4 minutes. If computers A, B and C can process an average of 15 inputs in one hour, how many minutes does Computer C alone take to
A.	6 minutes
B.	8 minutes
C.	10minutes
D.	12 minutes
Answer» B. 8 minutes

Discussion

1295.	A and B can do a piece of work in 6 2/3 days and 5 days respectively. They work together for 2 days and then A leaves. In how many days after that B will complete the work alone.
A.	2 days
B.	1 ½ days
C.	3 days
D.	3 ½ days
Answer» C. 3 days

Discussion

1296.	A tank is normally filled in 12 hrs but takes four hrs longer to fill because of a leak in its bottom.
A.	31 hrs
B.	36 hrs
C.	44 hrs
D.	48 hrs
Answer» E.

Discussion

1297.	A is thrice as good work than as B. Together they can finish a work in 6 days.In how many days A alone do the work?
A.	6 days
B.	10 days
C.	13 days
D.	2 days
Answer» B. 10 days

Discussion

1298.	A can do a work in 21 days and B alone can do it 28 days, they begin the work together, but A left after some days. B completed the remaining work in 21 days. After how many days did A leave ?
A.	10
B.	8
C.	3
D.	15
Answer» D. 15

Discussion

1299.	A and B can do a piece of work in 40 days and 50 days respectively. They work together for 10 days and B leaves. In how many days the whole work is completed?
A.	28 days
B.	60 days
C.	20 days
D.	30 days
Answer» B. 60 days

Discussion

1300.	A can do a work in 30 days, B can do it in 20 days. They together under took to do a piece of work for Rs.1000, what is the share of B?
A.	Rs.500
B.	Rs.400
C.	Rs.800
D.	Rs.600
Answer» E.

Discussion

Explore topic-wise MCQs in General Aptitude.

A and B can do a job together in 7 days. A is 13/4 times as efficient as B. The same job can be done by A alone in

Sixty men can stitch 200 shirts in 30 days working 8 hours a day. In how many days can 45 men stitch 300 shirts working 6 hours a day?

Thirty men can do a work in 24 days. In how many days can 20 men can do the work, given that the time spent per day is increased by one-third of the previous time?

A certain number of men can do a work in 65 days working 6 hours a day. If the number of men are decreased by one-fourth, then for how many hours per day should they work in order to complete the work

Twenty four men can do a work in 35 days. How many men are required to complete the work in 21 days?

Two persons A and B can complete a piece of work in 30 days and 45 days respectively. If they work together, what part of the work will be completed in 3 days?

Eight men, ten women and six boys together can complete a piece of work in eight days. In how many days can 20 women complete the same work if 20 men can complete it in 12 days?

Twelve men and six women together can complete a piece of work in four days. The work done by a women in one day is half the work done by a man in one day. If 12 men and six women started working and

Two men can complete a piece of work in four days. Two women can complete the same work in eight days. Four boys can complete the same work in five days. If four men, eight women and 20 boys work toge

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?

If 12 men or 20 women can do a piece of work in 54 days, then in how many days can 9 men and 12 women together do the work?

A and B can do a work in 12 days and 36 days respectively. If they work on alternate days beginning with B, in how many days will the work be completed?

Twelve men can complete a piece of work in 32 days. The same work can be completed by 16 women in 36 days and by 48 boys in 16 days. Find the time taken by one man, one woman and one boy working toget

Sreedhar and Sravan together can do a work in 25 days. With the help of Pavan, they completed the work in 8 days and earned Rs. 225. What is the share of Sravan, if Sreedhar alone can do the work in 7

X men can do a work in 120 days. If there were 20 men less, the work would have taken 60 days more. What is the value of X?

A, B and C can do a work in 7 , 14 and 21 days respectively. They completed the work and got Rs.242. What is the share of C?

3 men, 4 women and 6 children can complete a work in 7 days. A woman does double the work a man does and a child does half the work a man does. How many women alone can complete this work in 7 days?

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?

12 men can complete a piece of work in 4 days, while 15 women can complete the same work in 4 days. 6 men start working on the job and after working for 2 days, all of them stopped working. How many w

10 men and 15 women together can complete a work in 6 days. It takes 100 days for one man alone to complete the same work. How many days will be required for one woman alone to complete the same work?

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, the time taken by 15 men and 20 boys in doing the same type of work will be?

If 12 men and 16 boys can do a piece of work in 5 days; 13 men and 24 boys can do it in 4 days, then the ratio of the daily work done by a man to that of a boy is?

A take twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in?

A man can do a job in 15 days. His father takes 20 days and his son finishes it in 25 days. How long will they take to complete the job if they all work together?

A does a work in 10 days and B does the same work in 15 days. In how many days they together will do the same work?

20 women can do a work in 9 days. After they have worked for 6 days. 6 more men join them. How many days will they take to complete the remaining work?

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

Kim can do a work in 3 days while David can do the same work in 2 days. Both of them finish the work together and get Rs. 150. What is the share of Kim?

12 men complete a work in 9 days. After they have worked for 6 days, 6 more men join them. How many days will they take to complete the remaining work?

A and B can do a work in 12 days, B and C in 15 days, C and A in 20 days. If A, B and C work together, they will complete the work in?

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 can do it in 3 hours, which A and C together can do it in 2 hours. How long will B alone take to do it?

Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is?

Ronald and Elan are working on an assignment. Ronald takes 6 hrs to type 32 pages on a computer, while Elan takes 5 hrs to type 40 pages. How much time will they take, working together on two differen

28 men can complete a piece of work in 21 days. How many more men must be hired to complete the work in 14 days ?

A can finish a work in 12 days and B can finish the same work in 24 days. How many days will they take to finish the work together ?

A person walking 5/6 of his usual rate is 40 minutes late. What is his usual time?

A and B can together finish work in 30 days. They worked at it for 10 days together & then B left. The remaining work was done by A alone in 30 more days. B alone can finish the work in

How many seconds will a train 100 meters long take to cross a bridge 150 meters long if the speed of the train is 36 kmph?

A can do a work in 24 days and B can do it in 8 days. In how many days A and B can do the work?

A and B together can do a work In 4 days. A alone can do it in 12days.what time B will take to do the work alone?

A can do a work in 60days and B in 12 days.Then A and B together do the work in,how many days?

If the production of a factory grows at a rate of 8% p.a., what will be its production for the year 2006 if its production in 2004 was 60 lakh tonnes (Rounded off to two digits after decimal) ?

Computer A takes 3 minutes to process an input while computer B takes 4 minutes. If computers A, B and C can process an average of 15 inputs in one hour, how many minutes does Computer C alone take to

A and B can do a piece of work in 6 2/3 days and 5 days respectively. They work together for 2 days and then A leaves. In how many days after that B will complete the work alone.

A tank is normally filled in 12 hrs but takes four hrs longer to fill because of a leak in its bottom.

A is thrice as good work than as B. Together they can finish a work in 6 days.In how many days A alone do the work?

A can do a work in 21 days and B alone can do it 28 days, they begin the work together, but A left after some days. B completed the remaining work in 21 days. After how many days did A leave ?

A and B can do a piece of work in 40 days and 50 days respectively. They work together for 10 days and B leaves. In how many days the whole work is completed?

A can do a work in 30 days, B can do it in 20 days. They together under took to do a piece of work for Rs.1000, what is the share of B?