MCQOPTIONS
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				| 1. | 
                                    The ratio between the number of keyboards produced by the company in the year 2006, 2007 and 2008 respectively is | 
                            
| A. | 1 : 2 : 3 | 
| B. | 3 : 4 : 5 | 
| C. | 3 : 6 : 4 | 
| D. | 3 : 4 : 6 | 
| Answer» D. 3 : 4 : 6 | |