What will come in the place of ‘?’ in the following equation, if ‘+’ and ‘–’ are interchanged and also ‘×’ and ‘÷’ are interchanged?
42 × 6 ÷ 11 – 97 + 25 = ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 149.
Given equation: 42 × 6 ÷ 11 – 97 + 25 = ?
On interchanging the signs:
42 ÷ 6 × 11 + 97 - 25 = ?
? = 77 + 97 - 25
? = 174 - 25 = 149