Question

If '+' means '÷', '-' means '×', '×' means '+', and '÷' means '-', then what is the value of:

64 - 81 + 9 × 4 = ?

• A. 570
• B. 630
• C. 580
• D. 510

Answer 1

Answer:

C. 580

Solution: The coded symbol are: + → ÷ - → × × → + ÷ → - Puting the given gode in the equation: 64 - 81 + 9 × 4 = ? = 64 × 81 ÷ 9 + 4 = 64 × 9 + 4 = 576 + 4 = 580 Hence, 580 is the correct answer.