If ‘+’ means ‘–’, ‘–’ means ‘×’, ‘×’ means ‘÷’, ‘÷’ means ‘+’, then what will come in place of the question mark (?) in the following equation?
61 ÷ 9 × 3 – 8 + 5 = ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 80.
Given conditions: ‘+’ means ‘–’, ‘–’ means ‘×’, ‘×’ means ‘÷’, ‘÷’ means ‘+’
Given equation: 61 ÷ 9 × 3 – 8 + 5 = ?
After interchanging the expression becomes:
= 61 + 9 ÷ 3 × 8 - 5
= 61 + 3 × 8 - 5
= 61 + 24 - 5
= 85 - 5
= 80