Question :
Direction: In the following question you have to identify the correct response from the given premises stated according to the following symbols.
Which of the following interchange of signs would make the given equation correct?
5 + 3 × 8 – 12 ÷ 4 = 3
Option 1: – and ÷
Option 2: + and ×
Option 3: + and ÷
Option 4: + and –
Correct Answer: – and ÷
Solution : Given:
5 + 3 × 8 – 12 ÷ 4 = 3
Let's check the options —
First option: – and ÷;
After replacing the symbols, the equation becomes 5 + 3 × 8 ÷ 12 – 4 = 3 . So, this relation holds true.
Second option: + and ×;
After replacing the symbols, the equation becomes 5 × 3 + 8 – 12 ÷ 4 = 20 . So, the relation does not hold true.
Third option: + and ÷;
After replacing the symbols, the equation becomes 5 ÷ 3 × 8 – 12 + 4 = 5.33 . So, the relation does not hold true.
Fourth option: + and –;
After replacing the symbols, the equation becomes 5 – 3 × 8 + 12 ÷ 4 = – 16 . So, the relation does not hold true.
Hence, the first option is correct.
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