Which of the mathematical signs should be interchanged in the given equation to
make it mathematically correct?
12 + 66 ÷ 11−4 × 91 = 159
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. + and ×.
The signs needed to make the equation mathematically correct are -
12 × 66 ÷ 11− 4 + 91 = 159
12 × 6 + 37 = 159
72 + 87 = 159
159 = 159