General Studies · Mathematical Operations
If '×' means '-', '+' means '÷', '-' means '+', and '÷' means '×', then which of the following equations is valid?
- 18 × 2 - 2 + 2 = 1
- 216 ÷ 4 + 2 - 2 = 10
- 310 + 2 - 4 × 1 = 8✓
- 412 - 4 × 2 + 1 = 7
Correct answer
10 + 2 - 4 × 1 = 8
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