What will come in the place of "?" in the following equation, if:
'+' is changed with '-'
'-' is changed with '÷'
'÷' is changed with '+'
'×' is unchanged
120 - 6 + 31 ÷ 8 × 11 = ?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 77.
Given equation: 120 - 6 + 31 ÷ 8 × 11 = ?
On changing the signs:
(120 ÷ 6) - 31 + (8 × 11) = ?
? = 20 - 31 + 88
? = 108 - 31 = 77