Which two signs should be interchanged to make the given equation correct?
10 ÷ 63 × 7 + 90 - 80 = 100
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e × and ÷
10 ÷ 63 × 7 + 90 - 80 = 100
After interchanging signs,
⇒ 10 × (63 ÷ 7) + 90 - 80 = 100
⇒ (10 × 9) +10 = 100
⇒ 90 + 10 = 100
⇒ 100 = 100