Which two signs should be interchanged to make the given equation correct?
12 + 156 ÷ 13 × 6 - 100 = 50
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. + and ×
Given equation: 12 + 156 ÷ 13 × 6 - 100 = 50
Option 1: ÷ and ×
After interchanging the expression becomes:
= 12 + 156 × 13 ÷ 6 - 100 = 50
= 12 + 338 - 100
= 350 - 100
= 250 is not equal to 50.
Option 2: + and ×
After interchanging the expression becomes:
= 12 × 156 ÷ 13 + 6 - 100 = 50
= 12 × 12 + 6 - 100
= 144 + 6 - 100
= 150 - 100
= 50 is equal to 50.
As we have found our answer, there is no need to check further options.
Hence, + and × is the correct answer.