What will come in the place of ‘?’ in the following equation, if ‘+’ and ‘–’ are interchanged and ‘×’ and ‘÷’ are interchanged?
5 + 3 – 10 × 2 ÷ 2 = ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 12.
Given equation: 5 + 3 – 10 × 2 ÷ 2 = ?
On interchanging the signs:
5 - 3 + 10 ÷ 2 × 2 = ?
? = 5 - 3 + 10
? = 15 - 3 = 12