MCQOPTIONS
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| 1. |
The respective ratio between the number of CDs produced by the company in the year 2009 and the number of keyboards produced by the company in the year 2005 is |
| A. | 9 : 10 |
| B. | 11 : 10 |
| C. | 10 : 9 |
| D. | 10 : 11 |
| Answer» B. 11 : 10 | |