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Question
If ‘–‘ stands for ‘÷’, ‘+’ stands for ‘×’, ‘÷’ stand for ‘–‘ and ‘×’ stands
for ‘+’, which one of the following question is correct?
Options:
A .  30 – 6 + 5 × 4 ÷ 2 = 27
B .  30 + 6 – 5 ÷ 4 × 2 = 30
C .  30 × 6 ÷ 5 – 4 + 2 = 32
D .  30 ÷ 6 × 5 + 4 – 2 = 40
Answer: Option A

Solution
After interchanging the signs,
30 ÷ 6 × 5 + 4 – 2 = 27
→ 5 × 5 + 4 – 2 = 27.
→ 29 – 2 = 27.
→ 27 = 27. 


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