Question
If x stands for ‘addition’, ÷ stands for
‘subtraction’, + stands for ‘multiplication’, and – stands for ‘division’, then 30 x 40 – 4 + 2 ÷ 8 = ?Solution
The equation after sign change can be rewritten as:  30 + 40 ÷ 4 x 2 – 8 = ? 30 + 10 x 2 – 8 = ? 30 + 20 – 8 = ? 30 + 12 = ? ? = 42  Hence, the correct answer is (C).
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