What will come in the place of the question mark (?) in the following equation, if '+' and 'x' are interchanged and '-' and '÷' are interchanged?
105 - 15 ÷ 13 + 3 × 27 = ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. -5.
Given equation: 105 - 15 ÷ 13 + 3 × 27 = ?
On interchanging the signs:
105 ÷ 15 - 13 × 3 + 27 = ?
? = 7 - 39 + 27
? = 34 - 39 = -5