Which of the following interchange of mathematical signs would make the given equation correct?
20 ÷ 4 × 8 + 16 − 15 = 11
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. ×, ÷.
Given equation: 20 ÷ 4 × 8 + 16 − 15 = 11
Option 1: ×, ÷
After interchanging the expression becomes:
20 × ( 4 ÷ 8) + 16 − 15 = 11
10 + 16 - 15 = 11
26 - 15 = 11
11 = 11