Quantitative Apitute-Time & Work
Quantitative Apitute-Time & Work
51. A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in:
- 4 days
- 6 days
- 8 days
- 12 days
52. 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 :
- 8 days
- 10 days
- 12 days
- 15 days
53. A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work?
- 18 days
- 24 days
- 30 days
- 36 days
54. 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 :
- 4 days
- 6 days
- 8 days
- 18 days
55. 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?
- 3 : 4
- 4 : 3
- 5 : 3
- Data inadequate
56. 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 :
- 4 days
- 6 days
- 8 days
- 12 days
57. 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:
- 5 days
- 6 days
- 10 days
- 1/2 days
58. 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?
- 1/3days
- 15 days
- 20 days
- 26 days
59. A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone?
- 30 days
- 40 days
- 60 days
- 70 days