If '+' means '−', '−' means '×', '×' means '÷' and '÷' means '+', then 12 × 4 ÷ 22 + 5 − 3 = ?
Show answer & explanation
Correct answer: C
Explanation
+ = −
− = ×
× = ÷
÷ = +
12 × 4 ÷ 22 + 5 − 3
Switching the symbols:
12÷4+22−5×3=?
3+22−5×3=?
3+22−15=?
? = 10