Select the number that will come in the place of the question mark(?), if ‘+’ and ‘-‘ are interchanged and ‘×’ and ‘÷’ are interchanged?
11 ÷ 8 - 78 × 6 + 37 = ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 64.
Given equation: 11 ÷ 8 - 78 × 6 + 37 = ?
On interchanging the signs:
(11 × 8) + (78 ÷ 6) - 37 = ?
? = (88 + 13) - 37 = 101 - 37 = 64