Time and work aptitude questions is a topic from which you can secure full marks in any government job exam. Time and work questions can be easy to moderate level. You will score full marks if you know time and work concepts very well. Here are some time and work problems for your practice.
Time and Work Questions Set 1 :
1.A can eat a cake in 4 days. B can eat the same cake in 2 days in how many days A and B can finish the same cake if they eat together?
A.2 days
B.4/3 day
C.3/4 day
D.2/3 day
Ans:B
2.A can do a work in 10 days and B can do the same work in 15 days. In how many days the work would be completed if they work together?
A.4 days
B.5 days
C.6 days
D.8 days
Ans:C
3.A, B and C can respectively complete a work in 10, 12 and 15 days. Find the time taken by all of them to complete the work if they worked together.
A.4 days
B.6 days
C.5 days
D.3 days
Ans:A
4.A, B and C can respectively complete a work in 72 24 and 36 days. Find the time taken by all of them to complete the half work if they work together.
A.3 days
B.4 days
C.8 days
D.6 days
Ans:D
5.A and B can complete a work in 12 days. B can complete the same work alone in 24 days. Find the time taken by A to complete the whole work alone.
A.32 days
B.12 days
C.36 days
D.24 days
Ans:D
6.A, B, C and D together can complete a work in 15 days. A and C together can complete the same work in 60 days. Find the time taken by B and D to complete the 40% work if they work together.
A.6 days
B.8 days
C.12 days
D.14 days
Ans:B
7.A Can finish a work in 18 days and B in 36 days. If they work on it together for 9 days then what percent of work is left?
A.33.3
B.20
C.75
D.25
Ans:D
8.A can do ⅓ rd of a job in 3 days and B can do half of the job in 9 days. If they work on it together then in how many days can they finish half of the job?
A.4
B.5
C.6
D.3
Ans:D
9.A and B have to type a book together containing 120 pages. A takes 9 hour to type 36 pages and B takes 5 hours to type 40 pages. A typed first 60 pages alone and the last 60 pages were typed by A and B together. How much time (in hours) will be taken to type the complete book?
A.24
B.20
C.12
D.15
Ans:B
10.A and B can complete a work in 10 days. B and C can complete the same work in 12 days. C and A can complete the same work in 15 days Find-
a.time taken by A to complete the whole work alone.
A.12 days
B.10 days
C.24 days
D.36 days
Ans:C
b.time taken by B to complete the whole work alone.
A.120/7 days
B.150/7 days
C.24 days
D.50/3 days
Ans:A
c.time taken by C to complete the whole work alone.
A.30 days
B.20 days
C.40 days
D.60 days
Ans:C
d.the time taken by A B and C to complete the whole work if they work together.
A.8 days
B.12 days
C.24 days
D.36 days
Ans:A
Here every time and work questions are different from one another. Practice these time and work aptitude questions on a regular basis. So that your time and work concepts help you in examination and you can solve time and work problems within 15 – 30 seconds.
Time and work questions set 2 :
11.A B and C can complete a work in 12 days 15 days and 20 days respectively. They start to work together but after 2 days A left the work in how many days-
a.the remaining work will be completed.
A.8 days
B.12 days
C24/7 days
D.36/7 days
Ans:D
b.total work will be completed.
A.8 days
B.12 days
C.50/7 days
D.36/7 days
Ans:C
12.Ram and Shyam can complete a task in 6 ⅔ days and 15 days respectively. They work together for 4 days and then Ram leaves. In how many days after Ram leaves will Shyam complete the remaining task alone?
A.1 ½ days
B.3 days
C.4 days
D.2 days
Ans:D
13.A B and C can finish a job working alone in 20, 30 and 60 days. They all work together for one day then A and B quit. How many days C working alone will take to finish the remaining part of the job?
A.60
B.54
C.6
D.27
Ans:B
14.A B and C can do a job in 9, 12 and 36 days respectively if they work alone. A leaves after they have worked together for 3 days. In how many days can B and C do the rest of the job?
A.3
B.4
C.5
D.6
Ans:A
15.A, B and C can complete a work in 12, 24 and 36 days respectively. They start to work together but after 2 days A left the work and B left the work one day before the completion of the work. In how many days total work will be completed?
A.12 days
B.22 days
C.21 days
D.63/5 days
Ans:D
16.A and B can complete a work in 12 days. B and C can complete the work in 15 days. C and A can complete the same work in 60 days. They started to work together but C left the work after 3 days. In how many days total work will be completed?
A.8 days
B.12 days
C.24 days
D.36 days
Ans:B
17.A and B can complete a work in 20 and 30 days respectively A worked alone for 4 days and then B completed the remaining work along with C in 18 days. In how many days C alone will complete the work?
A.80 days
B.120 days
C.90 days
D.36 days
Ans:C
18.A B and C can individually complete a work in 8, 9 and 12 days respectively. C starts working alone and after one day B joins him. After 3 days of beginning the work A also joins them in how many days the work will be completed?
A.3 23/29
B.1 6/23
C.4 15/23
D.3 7/29
Ans:C
19.A can paint a house in 45 days and B can do it in 15 days. Along with C they did the job in 5 days only. Then C alone can do the job in how many days?
A.12
B.9
C.15
D.8
Ans:B
20.A can do 40% of a work in 12 days. B can do 60% of the same work in 15 days. Both work together for 10 days. C completes the remaining work alone in 4 days. A B and C will complete 28% of the same work in-
A.2 days
B.2.5 days
C.3 days
D.1.5 days
Ans:A
21.If 20% of a certain work is done by A and after that remaining 80% of the work is done by B then total time taken to complete the work is 20 days. If 20% of certain work is done by B and after that remaining 80% of the work is done by A, total time taken to complete the work is 50 days. In how many days
a.A can complete the whole work alone
A.80 days
B.60 days
C.90 days
D.36 days
Ans:B
b.B can complete the whole work alone
A.10 days
B.20 days
C.15 days
D.36 days
Ans:A
22.A and B can do a work in 12 days. If A works alone A takes 10 days more to complete the work than B. In how many days A can do the whole work?
A.30
B.20
C.40
D.15
Ans:A
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