What will come in the place of the question mark (?) in the following equation, if '+' and ‘-’ are interchanged and '×' and '÷' are interchanged?
61 + 80 - 48 × 3 ÷ 5 = ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 61.
Given equation: 61 + 80 - 48 × 3 ÷ 5 = ?
On interchanging the signs:
61 - 80 + {(48 ÷ 3) × 5} = ?
? = 61 - 80 + 80 =141 - 80 = 61