What will come in the place of the question mark (?) in the following equation, if '+' and '-' are interchanged and '×' and '÷' are interchanged?
16 ÷ 5 - 24 × 6 + 3 = ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 81.
Given equation: 16 ÷ 5 - 24 × 6 + 3 = ?
On interchanging the signs:
(16 × 5) + (24 ÷ 6) - 3 = ?
? = 80 + 4 - 3 = 84 - 3 = 81