Which two signs should be interchanged to make the equation mathematically correct?
72 - 36 × 4 ÷ 6 + 24 = 42
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. ÷ and ×.
Given equation: 72 - 36 × 4 ÷ 6 + 24 = 42
Option 1: ÷ and ×
After interchanging the expression becomes:
⇒ 72 - 36 ÷ 4 × 6 + 24 = 42
⇒ 72 - 9 × 6 + 24 = 42
⇒ 72 - 54 + 24 = 42
⇒ 42 = 42