| Answer | : | 39 |
| Explanation | : | Working from top to bottom, double each number and subtract 1, then 2, then 3 etc. |
Flash Labels by All Blogging Tools
Flash Labels by All Blogging Tools
.
| Answer | : | 39 |
| Explanation | : | Working from top to bottom, double each number and subtract 1, then 2, then 3 etc. |