Which two numbers (NOT digits) need to be interchanged to make the following equation correct?
3 × 45 ÷ 5 + 7 – 12 = 70
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 3 and 5.
Given equation: 3 × 45 ÷ 5 + 7 – 12 = 70
Option 1: 3 and 5
After interchanging the expression becomes:
= 5 × 45 ÷ 3 + 7 – 12 = 70
= 70 is equal to 70.
As we have found our answer, so, there is no need of checking other options.
Hence, option 1 is the correct answer.