Question : Directions: What will come in the place of the question mark (?) in the following equation if + and – are interchanged and × and ÷ are interchanged?
11 ÷ 42 × 3 – 41 + 27 = ?
Option 1: 168
Option 2: 174
Option 3: 155
Option 4: 159
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Correct Answer: 174
Solution :
Given:
11 ÷ 42 × 3 – 41 + 27 = ?
After interchanging the mathematical signs as per the information given, the equation becomes –
= 11 × 42 ÷ 3 + 41 – 21
= 11 × 14 + 41 – 21
= 154 + 41 – 21
= 174
So, 174 is the answer to the given equation. Hence, the second option is correct.
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