Which of the following interchange of numbers would make the given equation correct?
5 × 15 ÷ 3 + 20 - 9 = 4
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 4, 20.
Given equation: 5 × 15 ÷ 3 + 20 - 9 = 4
Option 4: 4, 20
After interchanging the numbers we get,
⇒ 5 × 15 ÷ 3 + 4 - 9 = 20
⇒ 5 × 5 + 4 - 9 = 20
⇒ 29 - 9 = 20
⇒ 20 = 20