What will come in place of '?' in the following equation, if '+' and '÷' are interchanged and '−' and '×' are interchanged?
112 + 8 × 2 − 13 ÷ 21 = ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 9.
Given equation: 112 + 8 × 2 − 13 ÷ 21 = ?
On interchanging the signs:
112 ÷ 8 - 2 × 13 + 21 = ?
? = 14 - 26 + 21
? = 35 - 26 = 9