What will come in the place of the question mark ‘(?)’ in the following equation, if ‘×’ and ‘−’ are interchanged and ‘+’ and ‘÷’ are interchanged?
88 ÷ 7 × 4 − 21 + 3 = ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 67.
Given equation: 88 ÷ 7 × 4 − 21 + 3 = ?
On interchanging the sign:
88 + 7 - 4 × 21 ÷ 3 = ?
? = 95 - 28 = 67