MCQOPTIONS
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				| 1. | 
                                    The formula of inter-conversion of centigrade and Fahrenheit scale is___________? | 
                            
| A. | c-32/9 | 
| B. | f -32/9 =c/5 | 
| C. | f-32/9=c/9 | 
| D. | none | 
| Answer» C. f-32/9=c/9 | |