What will come in place of the question mark (?) in the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?
392 × 7 − 2 ÷ 12 + 80 = ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 0.
Given equation: 392 × 7 − 2 ÷ 12 + 80 = ?
On interchanging the sign:
392 ÷ 7 + 2 × 12 - 80 = ?
? = 56 + 24 - 80
? = 80 - 80 = 0