Which two signs should be interchanged to make the given equation correct?
171 ÷ 3 – 16 + 72 × 412 = 572
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. × and –.
171 ÷ 3 – 16 + 72 × 412 = 572
After interchanging signs,
(171 ÷ 3) × 16 + 72 - 412 = 572
57 × 16 - 340 = 572
912 - 340 = 572
572 = 572