What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘-’ are interchanged and ‘×’ and ‘÷’ are interchanged?
272 × 16 + 97 - 23 ÷ 4 = ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 12.
Given equation: 272 × 16 + 97 - 23 ÷ 4 = ?
On interchanging the signs:
(272 ÷ 16) - 97 + 23 × 4 = ?
= 17 - 97 + (23 × 4)
= 17 - 97 + 92
= 12