Which two signs should be interchanged to make the equation mathematically correct?
42 + 12 ÷ 24 × 84 - 14 = 91
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. + and ×.
Given equation: 42 + 12 ÷ 24 × 84 - 14 = 91
Option 1: + and ×
After interchanging the expression becomes:
42 × 12 ÷ 24 + 84 - 14 = 91
21 + 84 - 14 = 91
105 - 14 = 91
91 = 91