Question : Directions: If ‘+’ means ‘–’, ‘–’ means ‘×’, ‘×’ means ‘÷’, ‘÷’ means ‘+’, then what will come in place of the question mark (?) in the following equation?
124 × 4 ÷ 13 – 3 + 36 = ?
Option 1: 31
Option 2: 34
Option 3: 45
Option 4: 42
Correct Answer: 34
Solution :
Given
‘+’ means ‘–’, ‘–’ means ‘×’, ‘×’ means ‘÷’, ‘÷’ means ‘+’
124 × 4 ÷ 13 – 3 + 36 = ?
After interchanging the mathematical operations the equation becomes –
124 ÷ 4 + 13 x 3 – 36 = ?
31 + 13 x 3 – 36
31 + 39 – 36 = 34
So, the equation equals to 34. Hence, the second option is correct.
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