MCQOPTIONS
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				| 1. | 
                                    In the case of which one of the following packaging materials used for packing food items and beverages respectively the ratio is 4 : 9? | 
                            
| A. | Glass | 
| B. | Paper | 
| C. | Aluminium | 
| D. | Iron | 
| E. | None of these | 
| Answer» C. Aluminium | |