1 . A can do 3 piece of work in 4 hours, B and C together in 3 hours , and A and C together in 2 hours. How long will B alone take to do it?
- A. 8 hours
- B. 12 hours
- C. 10hours
- D. 24 hours
View Answer
|
Discuss in Forum
|
Workspace
|
Report
|