1728 + Mcqs in Time and Work Page 33 McqOptions

1601.	A and B can do a job in 10 days. B and C can do the same job in 15 days. If all three worked together complete the work in 6 days, then in how many days can B complete the whole job?
A.	15
B.	20
C.	B can't finish the work
D.	None of these
Answer» D. None of these

Discussion

1602.	A can do a job in 10 days. Due to problematic relationship with B, his efficiency reduces to 60% and both can finish the job in 10 days. In how many days can B complete the whole job?
A.	15
B.	25
C.	30
D.	35
Answer» C. 30

Discussion

1603.	A can do a piece of work in 10 days and B can do the same piece of work in 20 days. They start the work together, but after 5 days A leaves. B will do the remaining piece of work in:
A.	6 days
B.	8 days
C.	5 days
D.	10 days
Answer» D. 10 days

Discussion

1604.	A and B together can complete a piece of work in 12 days, B and C can do it in 20 days and C and A can do it in 15 days. A, B and C together can complete it in
A.	12 days
B.	6 days
C.	8 days
D.	10 days
Answer» E.

Discussion

1605.	A, B and C together earn Rs. 300 per day, while A and C together earn Rs. 188 and B and C together earn Rs. 152. The daily earning of C is:
A.	Rs. 40
B.	Rs. 68
C.	Rs. 112
D.	Rs. 150
Answer» B. Rs. 68

Discussion

1606.	A and B can do a piece of work in 45 days and 40 days respectively. They began to do the work together but A leaves after some days and then B completed the remaining work in 23 days. The number of da
A.	6
B.	8
C.	9
D.	12
Answer» D. 12

Discussion

1607.	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

1608.	24 boys can finish a certain amount of food in 16 days. 32 Girls can finish the same amount of food in 24 days. 16 boys and 16 girls went on a camp with that fixed amount of food. After, 12 days some
A.	24 boys
B.	32 boys
C.	18 boys
D.	12 boys
Answer» B. 32 boys

Discussion

1609.	A is 30% more efficient than B. a can complete a work in 23 days. If A and B work together, how much time will it take to complete the same work?
A.	10 Days
B.	13 Days
C.	12 Days
D.	11 Days
Answer» C. 12 Days

Discussion

1610.	A can finish a work in 24 days, B in 9 days and Dc in 12 days. B & C start the work but are forced to leave after 3 days. The remaining work done by A in-
A.	8 Days
B.	10 Days
C.	6 Days
D.	12 Days
Answer» C. 6 Days

Discussion

1611.	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 will do this work in -
A.	6 Days
B.	8 Days
C.	10 Days
D.	5 Days
Answer» C. 10 Days

Discussion

1612.	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, In how many days they will complete the work?
A.	10 Days
B.	12 Days
C.	8 Days
D.	16 Days
Answer» B. 12 Days

Discussion

1613.	A, B & C can complete a piece of work in 24, 6 12 days. Respectively, working together, they will complete the same wok in -
A.	1/24 Days
B.	7/24 Days
C.	3 3/7 Days
D.	4 Days
Answer» D. 4 Days

Discussion

1614.	A and B together can complete a piece of work in 4 days if A alone can complete the same work in 12 days, in how many days can B will alone complete that work?
A.	4 Days
B.	6 Days
C.	10 Days
D.	2 Days
Answer» C. 10 Days

Discussion

1615.	A can complete a piece of work in 12 days and B is 60% more efficient than A. In how many days B will complete the same work?
A.	5 Days
B.	7.5 Days
C.	6 Days
D.	8 Days
Answer» C. 6 Days

Discussion

1616.	A machine P can print one lakh books in 8 hours, machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 A.M. while machi
A.	11:30 A.M.
B.	12 noon
C.	12:30 P.M.
D.	1:00 P.M.
Answer» E.

Discussion

1617.	A girl can do a job in 10 days, Her mother takes 25 days and her sister finishes it in 20 days. How long will they take to complete the job if they all together?
A.	Less than 5 days
B.	Exactly 5 days
C.	Approximately 5.3 days
D.	More than 6 days
Answer» D. More than 6 days

Discussion

1618.	P is thrice as good a workman as Q and together they finish a piece of work in 24 days. The number of days taken by P alone to finish the work is:
A.	25 days
B.	22 days
C.	32 days
D.	34 days
Answer» D. 34 days

Discussion

1619.	P can finish a work in 25 days and Q can do the same work in 20 days. Q worked for 8 days and left the job. In how many days, P alone can finish the remaining work?
A.	5 days
B.	10 days
C.	15 days
D.	17 days
Answer» D. 17 days

Discussion

1620.	Nitin and Nirdosh together can complete a piece of work in 6 days. If Nitin alone can complete the same work in 24 days; in how many days can Nirdosh alone complete that work?
A.	8
B.	12
C.	14
D.	15
Answer» B. 12

Discussion

1621.	If 6 man & 8 woman can do a piece of work in 10 days while 26 men & 48 women can do the same work in 2 days . In how many days 15 men & 20 women will do the same work?
A.	3 Days
B.	5 Days
C.	4 Days
D.	6 Days
Answer» D. 6 Days

Discussion

1622.	A takes 10 hours to do a work. B takes 12 hours to do the same works. In how many hours A & B working together will complete the work?
A.	12/3
B.	60/11
C.	60/7
D.	10/5
Answer» C. 60/7

Discussion

1623.	A can finish a work in 20 days and B can do the same work in half the time taken by A. then working together, what part of the same work they can finish in a day?
A.	3/20
B.	1/20
C.	3/20
D.	1/10
Answer» B. 1/20

Discussion

1624.	If 12 men working 5 hours a day can do a work in 90 days. Then 5 men working 10 hours a day can do this work in how many days?
A.	80 days
B.	95 Days
C.	108 Days
D.	100 Days
Answer» D. 100 Days

Discussion

1625.	A does 4/5 of work in 20 days. Then A calls in B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work?
A.	32 Days
B.	37 1/2 Days
C.	35 Days
D.	40 Days
Answer» C. 35 Days

Discussion

1626.	A complete 80% of a work in 20 days. Then B also foins and A and B together finish the remaining work in 3 days. How many days will be required for B if he al0one complete the work?
A.	35 Days
B.	30 Days
C.	37 1/2 Days
D.	25 Days
Answer» D. 25 Days

Discussion

1627.	A can do a piece of work in 1o days, B can do the same work in 15 days. They work for 5 days. The rest of work finished by C in 2 days. If they get Rs 1500 for the whole work, the daily wages of B and
A.	Rs. 200
B.	225 Rs.
C.	230 Rs.
D.	210 Rs.
Answer» C. 230 Rs.

Discussion

1628.	10 men can complete a work in 7 days. But 10 women need 14 days to complete the same work. How many days will 5 men and 10 women need to complete the work?
A.	5 Days
B.	6 Days
C.	7 Days
D.	8 Days
Answer» D. 8 Days

Discussion

1629.	Q: A can do as much work as B and C together can do. A and B can together do a piece of work in 9 hours 36 minutes and C can do it in 48 hours. The time (in hours) that B needs to do the work alone, is:
A.	18 hrs
B.	24 hrs
C.	30 hrs
D.	12 hrs
Answer» C. 30 hrs

Discussion

1630.	A farmer travelled a distance of 61 km in 9 hours. He travelled partly on foot @ 4 km/hr and partly on bicycle @ 9 km/hr. The distance travelled on foot is:
A.	14 km
B.	15 km
C.	16 km
D.	17 km
Answer» D. 17 km

Discussion

1631.	A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is:
A.	35.55 km/hr
B.	36 km/hr
C.	71.11 km/hr
D.	71 km/hr
Answer» D. 71 km/hr

Discussion

1632.	A man covered a certain distance at some speed. Had he moved 3 kmph faster, he would have taken 40 minutes less. If he had moved 2 kmph slower, he would have taken 40 minutes more. The distance (in km) is:
A.	35
B.	36 2 3
C.	37 1 2
D.	40
Answer» E.

Discussion

1633.	In covering a distance of 30 km, Abhay takes 2 hours more than Sameer. If Abhay doubles his speed, then he would take 1 hour less than Sameer. Abhay's speed is:
A.	5 kmph
B.	6 kmph
C.	6.25 kmph
D.	7.5 kmph
Answer» B. 6 kmph

Discussion

1634.	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

1635.	In a flight of 600 km, an aircraft was slowed down due to bad weather. Its average speed for the trip was reduced by 200 km/hr and the time of flight increased by 30 minutes. The duration of the flight is:
A.	1 hour
B.	2 hours
C.	3 hours
D.	4 hours
Answer» B. 2 hours

Discussion

1636.	A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?
A.	3.6
B.	7.2
C.	8.4
D.	10
Answer» C. 8.4

Discussion

1637.	4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?
A.	35 days
B.	40 days
C.	45 days
D.	50 days
Answer» C. 45 days

Discussion

1638.	- A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work in :
A.	4 days
B.	6 days
C.	8 days
D.	18 days
Answer» B. 6 days

Discussion

1639.	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.	8 days
B.	10 days
C.	12 days
D.	15 days
Answer» D. 15 days

Discussion

1640.	A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work?
A.	23 days
B.	37 days
C.	37 1/2 days
D.	40 days
Answer» D. 40 days

Discussion

1641.	A takes 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 days
B.	6 days
C.	8 days
D.	12 days
Answer» E.

Discussion

1642.	A and B together can complete a work in 12 days. A alone can complete it in 20 days. If B does the work only for half a day daily, then in how many days A and B together will complete the work?
A.	10 days
B.	11 days
C.	15 days
D.	20 days
Answer» D. 20 days

Discussion

1643.	A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only. Then, C alone can do the job in
A.	9 1/5 days
B.	9 2/5 days
C.	9 3/5 days
D.	10 days
Answer» D. 10 days

Discussion

1644.	A and B can do a job together in 7 days. A is 1 3/4 times as efficient as B. The same job can be done by A alone in :
A.	9 1/3 days
B.	11 days
C.	12 1/4 days
D.	16 1/3 days
Answer» C. 12 1/4 days

Discussion

1645.	X can do a piece of work in 40 days. He works at it for 8 days and then Y finished it in 16 days. How long will they together take to complete the work?
A.	13 1/3 days
B.	15 days
C.	20 days
D.	26 days
Answer» B. 15 days

Discussion

1646.	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.	Rs. 150
B.	Rs. 225
C.	Rs. 250
D.	Rs. 300
Answer» C. Rs. 250

Discussion

1647.	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.	12 days
Answer» D. 12 days

Discussion

1648.	A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in:
A.	1/24 days
B.	3 3/7 days
C.	3 days
D.	4 days
Answer» C. 3 days

Discussion

1649.	Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. What is the ratio between the capacity of a man and a woman?
A.	3 : 4
B.	4 : 3
C.	5 : 3
D.	Data inadequate
Answer» C. 5 : 3

Discussion

1650.	A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work in :
A.	4 days
B.	6 days
C.	8 days
D.	18 days
Answer» B. 6 days

Discussion

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