Which two numbers need to be interchanged to make the following equation correct?
7 + 56 ÷ 8 × 2 – 13 = 11
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 7 and 8.
Given equation: 7 + 56 ÷ 8 × 2 – 13 = 11
Option 4: 7 and 8
The expression becomes:
⇒ 8 + 56 ÷ 7 × 2 – 13 = 11
⇒ 8 + 8 × 2 – 13 = 11
⇒ 8 + 16 - 13 = 11
⇒ 24 - 13 = 11
⇒ 11 = 11