 
			 
			MCQOPTIONS
 Saved Bookmarks
				| 1. | Let P={10,20,30} and Q={5,10,15,20}. Which one of the following functions is one – one and not onto? | 
| A. | f={(10,5),(10,10),(10,15),(10,20)} | 
| B. | f={(10,5),(20,10),(30,15)} | 
| C. | f={(20,5),(20,10),(30,10)} | 
| D. | f={(10,5),(10,10),(20,15),(30,20)} | 
| Answer» C. | |