MCQOPTIONS
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				| 1. | 
                                    Direction: In each of the following questions choose the missing number to complete the series. 6, 11, 21, 36, 56,? | 
                            
| A. | 42 | 
| B. | 51 | 
| C. | 81 | 
| D. | 91 | 
| Answer» D. 91 | |