What will come in the place of the question mark ‘(?)’ in the following equation, if ‘÷’ and ‘×’ are interchanged and ‘+’ and ‘−’ are interchanged?
47 − 5 ÷ 2 + 72 × 6 = ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 45.
Given equation: 47 − 5 ÷ 2 + 72 × 6 = ?
On interchanging the signs:
47 + 5 × 2 - 72 ÷ 6 = ?
? = 47 + 10 - 12
? = 57 - 12 = 45