Which two signs should be interchanged to make the given equation correct?
39 ÷ 3 − 11 + 45 × 17 = 171
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. − and ×.
Given equation: 39 ÷ 3 − 11 + 45 × 17 = 171
On interchanging the signs:
39 ÷ 3 × 11 + 45 - 17 = 171
143 + 45 - 17 = 171
188 - 17 = 171
171 = 171