MCQOPTIONS
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				| 1. | 
                                    In what proportion P, Q and S should be mixed to make a diet having least 60% carbohydrate at the lowest per unit cost? | 
                            
| A. | : 1 : 3 | 
| B. | : 1 : 2 | 
| C. | : 1 : 4 | 
| D. | : 1 : 2 | 
| E. | : 1 : 1 | 
| Answer» F. | |