Quantitative Apitute-Time & Work
Quantitative Apitute-Time & Work
1. A and B together can complete a piece of work in 35 days while A alone can complete the same work in 60 days. B alone will be able to complete
- 42 days
- 72 days
- 84 days
- 96 days
2. a can do a piece of work in 80days. He works at it for 10 days and then B alone finishes the remaining work in 42 days. the two teogether could complete the work in
- 24 days
- 25 days
- 30 days
- 35 days
3. A and B can together finish a work in 30 days. they worked at it for 20 days and then B left. the remaining work ws done by A alone in 20 more days. A alone can finish the work in :
- 48 Days
- 50 days
- 54 Days
- 60 days
4. A and B can do a peice of work in 45 days and 40 days respectively they began to do the work together but A leaves after some days and then B completed the remaining work in 23 days. The number of days after which A left the work was :
- 6
- 8
- 9
- 12
5. 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 shall B take to do it.
- 30 days
- 35 days
- 40 days
- None of these
6. A is thrice as good a workman as B and takes 10 days less to do a piece of work than B takes. B alone can do the whole work in :
- 12 days
- 15 days
- 20 days
- 30 days
7. A and B can do a piece of work in 72 days ; B and C can do it in 120 days ; A anc C do it in 90. In what time can A alone do it ?
- 150 days
- 120 days
- 100 days
- 80 days
8. A and B can do a piece of work in 5 days ; B and C can do it in 7 days A and C can do it in 4 days. Who among these will take the least time. If put to do it alone ?
- A
- B
- C
- Data Inadequate
9. If A, B and C together can finish a piece of work in 4 days; A alone can do it in 12 days and B in 18 days, then C anone can do it in :
- 21 days
- 16 days
- 14 days
- 9 days
10. A and B can do a piece of work in 18 days ; B and C can do it in 24 days; A and C can do it in 36 days. In how many days can they do it all working together
- 12
- 13
- 16
- 26