The ratio of the areas of a square and a regular hexagon, both inscribed in a circle is?
Based on the given data, the percentage of literates in City A is ___.
| City | Population | Literate | Illiterate | % of literates |
| A | 200 | 150 | 50 | - |
| B | - | 200 | 100 | 66.6 |
| C | 150 | 50 | 100 | - |
| D | 120 | - | 90 | 25 |
If each term in the given sequence is assigned number 1, 2, 3… according to their position from the left, then the sum of the numerical values of the positions of the symbols will be ___.
R+JM2$#QR?*O@7F3
Choose the correct mirror image of the problem figure when the mirror is held at AB line.