MCQOPTIONS
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				| 1. | 
                                    A and B start running in opposite directions from a point P.A. runs at 5 km / hour and B runs at 4 km / hour. What could be the distance between them after three hour? | 
                            
| A. | 3 km | 
| B. | 21 km | 
| C. | Night lamp | 
| D. | 27 km | 
| E. | None of these | 
| Answer» E. None of these | |