If '+' means '÷', '-' means '×', '×' means '+', and '÷' means '-', then 24 + 6 - 2 × 13 = ?
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Correct answer: A
Explanation
The correct answer is option 1 i.e. 21.
Given equation: 24 + 6 - 2 × 13 = ?
On interchanging the sign:
24 ÷ 6 × 2 + 13 = ?
? = 8 + 13 = 21