MCQOPTIONS
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				| 1. | 
                                    Q: A take twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in ? | 
                            
| A. | 3 hrs | 
| B. | 6 hrs | 
| C. | 7 hrs | 
| D. | 5 hrs | 
| Answer» C. 7 hrs | |