1. 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: (2)
- 1. 4 days
- 2. 6 days
- 3. 8 days
- 4. 12 days
2. 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 : (3)
- 1. 8 days
- 2. 10 days
- 3. 12 days
- 4. 15 days
3. 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? (1)
- 1. 18 days
- 2. 24 days
- 3. 30 days
- 4. 36 days
4. 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 : (1)
- 1. 4 days
- 2. 6 days
- 3. 8 days
- 4. 18 days
5. 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? (2)
- 1. 3 : 4
- 2. 4 : 3
- 3. 5 : 3
- 4. Data inadequate