MCQOPTIONS
 Saved Bookmarks
				| 1. | 
                                    Q: M, N and O can complete the work in 18, 36 and 54 days respectively. M started the work and worked for 8 days, then N and O joined him and they all worked together for some days. M left the job one day before completion of work. For how many days they all worked together? | 
                            
| A. | 4 | 
| B. | 5 | 
| C. | 3 | 
| D. | 6 | 
| Answer» C. 3 | |