| Data | Tally Marks | Frequency |
| 8 | II | 2 |
| 9 | III | 3 |
| 10 | (C) | 1 |
| 11 | IIII | (A) |
| 12 | (B) | 3 |
| In an expression the following are given : |
| A small bracket, a big bracket, subtraction and division. |
| Which one of the following is not in the correct order and can be changed in the expression? |
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