What will come in the place of ‘?’ in the following equation, if ‘+’ and ‘–’ are interchanged and also ‘×’ and ‘÷’ are interchanged?
47 ÷ 3 – 126 × 6 + 18 = ?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 144.
47 ÷ 3 – 126 × 6 + 18 = ?
After interchanging signs,
= 47 × 3 + 126 ÷ 6 - 18
= 141 + 21 - 18
= 162 - 18 = 144