Question : Directions: What will come in the place of the question mark (?) in the following equation, if + and ÷ are interchanged and × and – are interchanged?
5 – 9 × 8 ÷ 12 + 4 = ?
Option 1: 12
Option 2: 27
Option 3: 40
Option 4: 23
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Correct Answer: 40
Solution :
Given:
5 – 9 × 8 ÷ 12 + 4 = ?
After interchanging + and ÷, and × and –, the equation will be as follows –
= 5 × 9 – 8 + 12 ÷ 4
= 5 × 9 – 8 + 3
= 45 – 8 + 3
= 48 – 8
= 40
So, 40 is the required answer to the given equation. Hence, the third option is correct.
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