Time and Work Aptitude MCQ Questions with Answers

Question. A can do a piece of work in 4 hours; B and C can do it in 3 hours. A and C can do it in 2 hours. How long will B alone take to do it ?
a) 10 hours
b) 12 hours
c) 8 hours
d) 24 hours

Answer : B

Question. A can do a work in 20 days and B in 40 days. If they work on it together for 5 days, then the fraction of the work that is left is ?
a) 5/8
b) 8/15
c) 7/15
d) 1/10

Answer : A

Question. 3 men or 5 women can do a work in 12 days. How long will 6 men and 5 women take to finish the work ?
a) 20 days
b) 10 days
c) 4 days
d) 15 days

Answer : C

Question.A and B can do a piece of work in 36 days, B and C can do it in 60 days, A and C can do it in 45 days. C alone can do it in ?
a) 90 days
b) 180 days
c) 120 days
d)150 days

Answer : B

Question. If 100 cats kill 100 mice in 100 days, then 4 cats would kill 4 mice in how many days ?
a) 4 days
b) 3 days
c) 40 days
d) 100 days

Answer : D

Question. 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 : D

Question. A, B and C contract a work for Rs. 440. A and B together are to do 9/11 of the work. The share of C should be ?
a) Rs. 75
b) Rs. 90
c) Rs. 100
d) Rs. 80

Answer : D

Question. If 80 persons can finish a work within 16 days by working 6 hours a day, the number of hours a day, should 64 persons work to finish that very job within 15 days is ?
a) 5 hrs
b) 7 hrs
c) 8 hrs
d) 6 hrs

Answer : C

Question. 12 persons can do a piece of work in 4 days. How many persons are required to complete 8 times the work in half the time ?
a) 192
b) 190
c) 180
d) 144

Answer : A

Question. 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 : B

Question. A does half as much work as B in three fourth of the time. If together they take 18 days to complete the work, how much time will B alone take to do it ?
a) 40 days
b) 45 days
c) 50 days
d) 30 days

Answer : D

Question. A man, a woman and a boy together finish a piece of work in 6 days. If a man and a woman can do the work in 10 and 24 days respectively. The days taken by a boy to finish the work is ?
a) 30
b) 35
c) 40
d) 45

Answer : C

Question. A and B together can complete a piece of work in 72 days, B and C together can complete it in 120 days, and A and C together in 90 days. In what time can A alone complete the work ?
a) 80 days
b) 100 days
c) 120 days
d) 150 days

Answer : C

Question. 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 : B

Question. If 1 man or 2 women or 3 boys can do a piece of work in 44 days, then the same piece of work will be done by 1 man, 1 woman and 1 boy in ?
a) 21 days
b) 24 days
c) 26 days
d) 33 days

Answer : B

Question. A and B can do a job together in 12 days. A is 2 times as efficient as B. In how many days can B alone complete the work ?
a) 18 days
b) 9 days
c) 36 days
d) 12 days

Answer : C

Question. Some carpenters promised to do a job in 9 days but 5 of them were absent and remaining men did the job in 12 days. The original number of carpenters was ?
a) 24
b) 20
c) 16
d) 18

Answer : B

Question. 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 : D

Question. 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 : B

Question. A and B together can do a piece of work in 12 days, while B alone can finish it in 30 days. A alone can finish the work in ?
a) 20 days
b) 25 days
c) 15 days
d) 18 days

Answer : B

Question. If 12 men or 24 boys can do a work in 66 days, the number of days in which 15 men and 6 boys can do it is ?
a) 44
b) 33
c) 55
d) 66

Answer : A

Question. If 20 women can lay a road of length 100m in 10 days. Then 10 women can lay the same road of length 50 m in ?
a) 20 days
b) 15 days
c) 5 days
d) 10 days

Answer : D

Question. If 10 men or 20 boys can make 260 mats in 20 days, then how many mats will be made by 8 men and 4 boys in 20 days ?
a) 260
b) 240
c) 280
d) 520

Answer : A

Question. If 10 people can do a job in 20days, then 20 people with twice the efficiency can do the same job in ?
a) 5 days
b) 10 days
c) 20 days
d) 40 days

Answer : A

Question. 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 : A

Question. A and B were assigned to do a job for an amount of 1,200. A alone can do it in 15 days, while B can do it in 12 days. With the help of C, they can finish in 5 days. The share of amount that C earns is ?
a) 300
b) 400
c) 500
d) 600

Answer : A

Question. A does half as much work as B in one-third of the time taken by B. If together they take 10 days to complete a work, then the time taken by B alone to do it would have been ?
a) 30 days
b) 25 days
c) 6 days
d) 12 days

Answer : B

Question. A alone can complete a work in 12 days. A and B together can complete it in 8 days. How long will B alone take to complete the work ?
a) 24 days
b) 18 days
c) 16 days
d) 20 days

Answer : A

Question. 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) 18 days
b) 27 days
c) 36 days
d) 42 days

Answer : C

Question. A does 20% less work than B. If A can complete a piece of work in 7 and 1/2 hours, then B can do it in ?
a) 6 and 1/2 hours
b) 6 hours
c) 5 and 1/2 hours
d) 5 hours

Answer : B

Question. 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 : C

Question. 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 : C

Question. If x can finish a job in 4 hours and y can finish the same job in 8 hours independently, then they together will finish the job in ?
a) 140 minutes
b) 160 minutes
c) 120 minutes
d) 150 minutes

Answer : B

Question. 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 : C

Question. A contractor undertook to finish a certain work in 124 days and employed 120 men. After 64 days, he found that he had already done 2/3 of the work. How many men can be discharged now so that the work may finish in time ?
a) 48
b) 56
c) 40
d) 50

Answer : B

Question. If 1 man or 2 women or 3 boys can do a piece of work in 44 days, then the same piece of work will be done by 1 man, 1 woman and 1 boy in ?
a) 21 days
b) 24 days
c) 26 days
d) 33 days

Answer : B

Question.A can do a work in 6 days and B in 9 days. How many days will both take together to complete the work ?
a) 7.5 days
b) 5.4 days
c) 3.6 days
d) 3 days

Answer : C

Question. 30 men can repair a road in 18 days. They are joined by 6 more workers. Now the road can be repaired in ?
a) 14 days
b) 15 days
c) 16 days
d) 17 days

Answer : B

Question. 3 men and 5 women can do a work in 14 days while 5 men can do it in 14 days. 5 men and 5 women can complete the work in ?
a) 13 days
b) 11 days
c) 10 days
d) 12 days

Answer : C

Question. A and B together can complete a work in 24 days. B alone does 1/3 rd part of this work in 12 days. How many days will A alone take to complete the remaining work ?
a) 24 days
b) 36 days
c) 48 days
d) 72 days

Answer : C

Question.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 : C

Question. x can copy 80 pages in 20 hours, x and y together can copy 135 pages in 27 hours. Then y can copy 20 pages in ?
a) 20 hours
b) 3 hours
c) 24 hours
d) 12 hours

Answer : A