50 Times and Work Question Practice

50 Times and Work Question Practice

1. P can complete a work in 12 days, and Q can complete it in 18 days. How many days will they take to finish the work together?
2. X can do a piece of work in 20 days, while Y can do the same work in 30 days. In how many days will both working together complete the work?
3. R can complete a job in 8 days, and S can complete it in 24 days. How long will they take to finish the job if they work together?
4. M can finish a work in 16 days, and N can finish it in 48 days. How many days will they take to complete the work together?
5. K can do a work in 14 days, and L can do the same work in 21 days. How long will it take for both of them working together to complete the work?
6. P alone can do a work in 10 days, and Q alone in 15 days. If they work together for 3 days, how much work is left?
7. R alone can complete a work in 16 days, and S alone in 24 days. If they work together for 4 days, how much of the work remains unfinished?
8. M alone can finish a job in 8 days, and N alone in 12 days. If they work together for 2 days, how much work is still left?
9. X alone can do a piece of work in 20 days, and Y alone in 30 days. If they work together for 5 days, how much work remains?
10. A alone can complete a task in 18 days, and B alone in 36 days. If they work together for 6 days, how much work is left?
11. P and Q together can complete a work in 6 days. Q alone can complete it in 10 days. In how many days can P alone complete the work?
12. M and N together can finish a job in 9 days. N alone can do the same job in 18 days. How long will M alone take to complete the job?
13. X and Y together can complete a task in 12 days. Y alone can complete it in 20 days. In how many days can X alone complete the task?
14. R and S together can complete a work in 4 days. S alone can complete it in 12 days. How many days will R alone take to complete the work?
15. A and B together can complete a task in 10 days. B alone can complete the task in 15 days. In how many days can A alone complete the work?
16. P, Q, and R can complete a work in 8, 16, and 24 days respectively. How long will they take to complete the work if all work together?
17. A, B, and C can do a piece of work in 6, 12, and 18 days respectively. In how many days will they finish the work working together?
18. X, Y, and Z can complete a task in 15, 20, and 30 days respectively. How long will they take if they work together?
19. M, N, and O can finish a job in 9, 18, and 36 days respectively. How many days will all three take to complete the job together?
20. R, S, and T can do a work in 10, 20, and 40 days respectively. How long will they take to complete the work if all work together?
21. P and Q can complete a work in 18 days. Q and R can complete it in 24 days. P and R can complete it in 12 days. How many days will P, Q, and R take to complete the work together?
22. A and B can finish a task in 10 days. B and C can finish it in 15 days. A and C can finish it in 12 days. In how many days will A, B, and C complete the task together?
23. X and Y can do a work in 20 days. Y and Z can do it in 30 days. X and Z can do it in 24 days. How long will X, Y, and Z take to complete the work together?
24. M and N can complete a job in 16 days. N and O can complete it in 20 days. M and O can complete it in 10 days. How many days will M, N, and O take to complete the job together?
25. R and S can complete a work in 14 days. S and T can complete it in 21 days. R and T can complete it in 12 days. In how many days will R, S, and T complete the work together?
26. P can complete a work in 12 days and Q can complete it in 18 days. They start working together, but after 3 days P leaves. How many more days will Q take to complete the remaining work?
27. A can do a work in 8 days and B can do it in 12 days. They start the work together, but after 2 days B leaves. How many days will A need to finish the remaining work?
28. X can complete a job in 20 days and Y can complete it in 30 days. They begin working together, but after 4 days X leaves. How long will Y take to complete the remaining work?
29. M can do a piece of work in 15 days and N can do it in 20 days. They start working together, but after 5 days N leaves. How many more days will M take to finish the remaining work?
30. R can complete a task in 6 days and S can complete it in 9 days. They begin the work together, but after 1 day R leaves. How many days will S need to complete the remaining work?
31. ·  4 men can complete a work in 12 days, and 6 women can complete it in 18 days. In how many days will 1 man and 1 woman together complete the work?
32. ·  8 men can complete a work in 16 days, while 4 women can complete it in 20 days. How long will it take for 1 man and 1 woman working together to finish the work?
33. ·  6 men can finish a work in 9 days, and 3 women can finish it in 12 days. Find the number of days required if 1 man and 1 woman work together.
34. ·  10 men can complete a work in 20 days, whereas 5 women can complete it in 25 days. In how many days will 1 man and 1 woman together finish the work?
35. ·  3 men can complete a work in 15 days, and 9 women can complete it in 18 days. How many days will 1 man and 1 woman together take to complete the work?
36. ·  A can complete a work in 12 days, B in 18 days, and C in 24 days. They start working together, but after 3 days A leaves. In how many days will the remaining work be completed?
37. ·  X can complete a work in 10 days, Y in 15 days, and Z in 20 days. They begin the work together, but Y leaves after 2 days. How many days will it take to finish the remaining work?
38. ·  P can finish a work in 8 days, Q in 16 days, and R in 24 days. They start together, but after 4 days R leaves. Find the total time required to complete the work.
39. ·  S can complete a work in 20 days, T in 25 days, and U in 30 days. All three begin the work together, but S leaves after 5 days. How long will it take to complete the remaining work?
40. ·  A can complete a work in 14 days, B in 21 days, and C in 28 days. They start working together, but B leaves after 3 days. In how many days will the remaining work be finished?
41. A can complete a work in 10 days, and B can do the same work in 15 days. How long will they take to complete the work together?
42. A alone can do a piece of work in 12 days, and B alone in 18 days. If they work together for 4 days, how much work is left?
43. If 12 men can complete a work in 15 days, how many men are required to complete the same work in 10 days?
44. A and B together can complete a task in 8 days. B alone takes 12 days. In how many days can A alone do the work?
45. A can do a job in 5 days, and B can do it in 10 days. If they work on alternate days starting with A, how many days will it take to finish the work?

46.A, B and C can complete a piece of work in 24, 36 and 72 days respectively. In how many days can A finish the work if B and C help him on every second day?

47.A, B and C can do a work in 18, 27 and 54 days respectively. In how many days will A complete the work if he is helped by B and C on every fourth day?

48.A, B and C can complete a task in 16, 32 and 48 days respectively. How long will A alone take to finish the work if B and C assist him on every third day?

49.A, B and C can do a piece of work in 21, 42 and 84 days respectively. In how many days can A complete the work if B and C help him on every alternate day?

50.A, B and C can complete a work in 15, 20 and 60 days respectively. Find the number of days required for A to complete the work if B and C assist him after every two days.