MCQOPTIONS
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				| 1. | 
                                    In 4 years the simple interest on certain sum of money is 9/25 of the principal. The annual rate of interest is | 
                            
| A. | 4% | 
| B. | 4(1/2)% | 
| C. | 9% | 
| D. | 10% | 
| Answer» D. 10% | |