MCQOPTIONS
Saved Bookmarks
| 1. |
Select the option that can replace the question mark (?) in the following series.3, 23, 7, 31, 15, 41, 31, 47, 63, ? |
| A. | 49 |
| B. | 59 |
| C. | 61 |
| D. | 53 |
| Answer» C. 61 | |