| 1. | Kamal can do a work in 15 days. Bimal is 50 per cent more efficient than Kamal in doing the work. In how many days will Bimal do that work ? | |
|
14 days
|
||
|
12 days
|
||
|
10 days
|
||
|
10 and 1/2 days
|
||
View Answer
Discuss in Forum
Report Question| 2. | A does 20% less work than B. If A can complete a piece of work in 7 and 1/2 hours, then B can do it in ? | |
|
6 and 1/2 hours
|
||
|
6 hours
|
||
|
5 and 1/2 hours
|
||
|
5 hours
|
||
| 3. | A is thrice as good a workman as B and therefore is able to finish a job in 40 days less than B. Working together, they can do it in ? | |
|
14 days
|
||
|
13 days
|
||
|
20 days
|
||
|
15 days
|
||
| 4. | A and B can do a job together in 12 days. A is 2 times as efficient as B. In how many days can B alone complete the work ? | |
|
18 days
|
||
|
9 days
|
||
|
36 days
|
||
|
12 days
|
||
| 5. | A is twice as good as B and together they finish a piece of work in 16 days. The number of days taken by A alone to finish the work is ? | |
|
20 days
|
||
|
21 days
|
||
|
22 days
|
||
|
24 days
|
||
| 6. | If 10 people can do a job in 20days, then 20 people with twice the efficiency can do the same job in ? | |
|
5 days
|
||
|
10 days
|
||
|
20 days
|
||
|
40 days
|
||
| 7. | Sunil completes a work in 4 days, whereas Dinesh completes the work in 6 days. Ramesh works 1 and 1/2 times as fast as Sunil. The three together can complete the work in ? | |
|
1 and 5/12 days
|
||
|
1 and 5/7 days
|
||
|
1 and 3/8 days
|
||
|
1 and 5/19 days
|
||
| 8. | To do a certain work, B would take time thrice as long as A and C together and C twice as long as A and B together. The three men together complete the work in 10 days. The time taken by A to complete the work separately is ? | |
|
22 days
|
||
|
24 days
|
||
|
30 days
|
||
|
20 days
|
||
| 9. | P is thrice as good a workman as Q and therefore able to finish a job in 48 days less than Q. Working together, they can do it in ? | |
|
18 days
|
||
|
24 days
|
||
|
30 days
|
||
|
12 days
|
||
| 10. | A is 30% more efficient than B, and can alone do a work in 23 days. The number of days, in which A and B, working together can finish the job is ? | |
|
11 days
|
||
|
13 days
|
||
|
20 days
|
||
|
21 days
|
||