What will come in place of the question mark (?) in the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?
140 × 2 − 4 ÷ 56 + 82 = ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 212.
Given equation: 140 × 2 − 4 ÷ 56 + 82 = ?
On interchanging the signs:
140 ÷ 2 + 4 × 56 - 82 = ?
? = 70 + 224 - 82
? = 294 - 82 = 212