What will come in place of the question mark (?) in the following equation if ‘+’ and ‘×’ are interchanged and ‘-’ and ‘÷’ are interchanged?
16 - 2 × 42 + 13 ÷ 12 = ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 542.
On interchanging sigs,
= (16 ÷ 2) + 42 × 13 - 12
= 8 + 546 - 12
= 554 - 12
= 542