Which two signs should be interchanged to make the equation mathematically correct?
112 - 14 ÷ 40 + 4 × 18 = 40
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. ÷ and -.
Given equation: 112 - 14 ÷ 40 + 4 × 18 = 40
Option 1: ÷ and -
After interchanging the expression becomes:
112 ÷ 14 - 40 + 4 × 18 = 40
8 - 40 + 4 × 18 = 40
8 - 40 + 72 = 40
40 = 40