What will come in the place of question mark (?) in the following equation if '+' and '-' are interchanged and '×' and '÷' are interchanged?
6 + 15 × 5 - 4 ÷ 3 = ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 15.
Given equation: 6 + 15 × 5 - 4 ÷ 3 = ?
On interchanging the signs:
6 - 15 ÷ 5 + 4 × 3 = ?
? = 6 - 3 + 12
? = 18 - 3 = 15