What will come in the place of question mark (?) in the following equation if '+' and '-' are interchanged and '×' and '÷' are interchanged?
13÷145×29-79+17=?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 127.
Given equation: 13÷145×29-79+17=?
On changing the signs:
13 × 145 ÷ 29 + 79 - 17 = ?
? = 65 + 79 - 17
? = 144 - 17 = 127