Which two signs should be interchanged to make the equation mathematically correct?
72 × 3 + 32 ÷ 4 - 16 = 136
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. × and ÷.
Given equation: 72 × 3 + 32 ÷ 4 - 16 = 136
Option 1: × and ÷
After interchanging the expression becomes:
72 ÷ 3 + 32 × 4 - 16 = 136
24 + 32 × 4 - 16 = 136
24 + 128 - 16 = 136
136 = 136