What will come in place of the question mark (?) of the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?
17 – 9 + 20 × 4 ÷ 5 = ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 1.
Given equation: 17 – 9 + 20 × 4 ÷ 5 = ?
On interchanging the signs:
17 + 9 - 20 ÷ 4 × 5 = ?
? = 17 + 9 - 25
? = 26 - 25 = 1