Time And Work – Aptitude Questions And Answers

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Time And Work – Aptitude Questions And Answers

1. P is able to do a piece of work in 15 days and Q can do the same work in 20 days. If they can work together for 4 days, what is the fraction of work left?
 
 
 
 

2. P, Q and R can do a work in 20, 30 and 60 days respectively. How many days does it need to complete the work if P does the work and he is assisted by Q and R on every third
day?
 
 
 
 

3. A is thrice as good as B in work. A is able to finish a job in 60 days less than B. They can finish the work in - days if they work together.
 
 
 
 

4. P can lay railway track between two stations in 16 days. Q can do the same job in 12 days. With the help of R, they complete the job in 4 days. How many days does it take
for R alone to complete the work?
 
 
 
 

5. A can do a particular work in 6 days . B can do the same work in 8 days. A and B signed to do it for Rs. 3200. They completed the work in 3 days with the help of C. How
much is to be paid to C?
 
 
 
 

6. 12 men can complete a work in 8 days. 16 women can complete the same work in 12 days. 8 men and 8 women started working and worked for 6 days. How many more men are
to be added to complete the remaining work in 1 day?
 
 
 
 

7. Relation Between Efficiency and Time

A is twice as good a workman as B and is therefore able to finish a piece of work in 30 days less than B.In how many days they can complee the whole work; working together?
 
 
 
 

8. A, B and C can do a piece of work in 24 days, 30 days and 40 days respectively. They began the work together but C left 4 days before the completion of the work. In how many together but C left 4 days before the completion of the work. In how many
days was the work completed?
 
 
 
 

9. A can do a piece of work in 10 days, B in 15 days. They work together for 5 days, the rest of the work is finished by C in two more days. If they get Rs. 3000 as wages for the
whole work, what are the daily wages of A, B and C respectively (in Rs):
 
 
 
 

10. A can do a certain work in the same time in which B and C together can do it.If A and B together could do it in 20 days and C alone in 60 days ,then B alone could do it in:
 
 
 
 

11. A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is : :
 
 
 
 

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

13. A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in:
 
 
 
 

14. A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to
be paid to C?
 
 
 
 

15. 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:
 
 
 
 

16. A and B complete a work in 6 days. A alone can do it in 10 days. If both together can do the work in how many days?
 
 
 
 

17. A can do a piece of work in 4 days. B can do it in 5 days. With the assistance of C they completed the work in 2 days. Find in how many days can C alone do it?
 
 
 
 

18. 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.
 
 
 
 

19. A and B together can do a piece of work in 8 days. If A alone can do the same work in 12 days, then B alone can do the same work in?
 
 
 
 

20. A can do a piece of work in 30 days. He works at it for 5 days and then B finishes it in 20 days. In what time can A and B together it?
 
 
 
 


 

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