| Question | Which two signs should be interchanged to make the following equation correct? 10 – 15 × 9 + 6 ÷ 3 = 9 | |
| Type | multiple_choice | |
| Option | – and ÷ | correct |
| Option | ÷ and + | incorrect |
| Option | + and – | incorrect |
| Option | × and – | incorrect |
| Solution | = 10 ÷ 15 x 9 + 6- 3 = 6 + 6 – 3 = 9 | |
