Which two signs should be interchanged to make the given equation correct?
42 ÷ 7 + 11 × 87 – 12 = 141
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. × and +.
Given equation: 42 ÷ 7 + 11 × 87 – 12 = 141
Option 1: × and +
After interchanging the expression becomes:
= 42 ÷ 7 × 11 + 87 – 12 = 141
= 6 × 11 + 87 – 12
= 66 + 87 – 12 = 153 - 12 = 141