If '÷' means '×', '−' means '+', '×' means '÷' and '+' means '−', then 38 × 57…
2024
If '÷' means '×', '−' means '+', '×' means '÷' and '+' means '−', then 38 × 57 ÷ 9 − 18 + 12 = ?
- A.
10
- B.
12
- C.
6
- D.
7
Attempted by 13 students.
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Correct answer: B
Given: '÷' means '×', '−' means '+', '×' means '÷' and '+' means '−'. So, 38 × 57 ÷ 9 − 18 + 12 becomes 38 ÷ 57 × 9 + 18 − 12. Now apply BODMAS: 38 ÷ 57 × 9 = (38/57) × 9 = 6. Therefore, 6 + 18 − 12 = 12. Hence, the correct answer is 12.