Which two signs should be interchanged to make the given equation correct?
55 ÷ 5 + 15 × 45 – 30 = 180
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. × and +.
Given equation: 55 ÷ 5 + 15 × 45 – 30 = 180
On interchanging the signs:
55 ÷ 5 × 15 + 45 – 30 = 180
165 + 45 - 30 = 180
210 - 30 = 180
180 = 180