What will come in place of the question mark (?) in the following equation, if ‘−’ and ‘ + ‘ are interchanged and ‘÷’ and ‘×’ are interchanged?
15 − 4 + 9 × 3 ÷ 6 = ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 1.
Given equation: 15 − 4 + 9 × 3 ÷ 6 = ?
On interchanging the sign:
15 + 4 - 9 ÷ 3 × 6 = ?
? = 15 + 4 - 18
? = 19 - 18 = 1