Question | Which two signs need to be interchanged to make the following equation correct? 9 × 98 ÷ 14 + 3 − 19 = 11 | |
Type | multiple_choice | |
Option | − and + | incorrect |
Option | + and × | correct |
Option | − and × | incorrect |
Option | ÷ and − | incorrect |
Solution | + and × Given equation: 9 × 98 ÷ 14 + 3 − 19 = 11 After interchanging the signs, we get: 9 + 98 ÷ 14 × 3 − 19 = 11 ⇒ 9 + 7 × 3 – 19 = 11 ⇒ 9 + 21 – 19 = 11 ⇒ 30 – 19 = 11 ⇒ 11 = 11 |