1. | If x can finish a job in 4 hours and y can finish the same job in 8 hours independently, then they together will finish the job in ? | |
2. | If 3 men or 4 women can plough a field in 43 days, how long will 7 men and 5 women take to plough it ? | |
3. | x does 1/4 of a job in 6 days. y completes rest of the job in 12 days. Then x and y could complete the job together in ? | |
4. | A and B can do a piece of work in 10 days. B and C can do it in 12 days. C and A in 15 days. In how many days will C finish it alone ? | |
5. | A and B can complete a piece of work in 8 days, B and C can do it in 12 days, C and A can do it in 8 days. A, B and C together can complete it in ? | |
6. | A, B and C together can complete a piece of work in 30 minutes. A and B together can complete the same work in 50 minutes. C alone can complete the work in ? | |
7. | A and B can do a piece of work in 36 days, B and C can do it in 60 days, A and C can do it in 45 days. C alone can do it in ? | |
8. | A can do a work in 6 days and B in 9 days. How many days will both take together to complete the work ? | |
9. | A particular job can be completed by a team of 10 men in 12 days. The same job can be completed by a team of 10 women in 6 days. How many days are needed to complete the job if the two teams work together ? | |
10. | A and B together can complete a piece of work in 72 days, B and C together can complete it in 120 days, and A and C together in 90 days. In what time can A alone complete the work ? | |