Question : Directions: What will come in the place of (?) in the following equation, if + and – are interchanged with × and ÷ respectively?
18 × 17 + 4 ÷ 22 – 2 = ?
Option 1: 81
Option 2: 75
Option 3: 70
Option 4: 64
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Correct Answer: 75
Solution :
Given:
18 × 17 + 4 ÷ 22 – 2 = ?
After interchanging + with ×, and – with ÷, the equation will be as follows –
= 18 + 17 × 4 – 22 ÷ 2
= 18 + 17 × 4 – 11
= 18 + 68 – 11
= 86 – 11
= 75
So, 75 is the required answer to the given equation. Hence, the second option is correct.
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