Question : Directions: What will come in the place of the question mark (?) in the following equation if + and – are interchanged and × and ÷ are interchanged?
36 ÷ 7 – 240 × 6 + 11 = ?
Option 1: 281
Option 2: 291
Option 3: 279
Option 4: 284
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Correct Answer: 281
Solution :
Given:
36 ÷ 7 – 240 × 6 + 11 = ?
Replace + with – and × with ÷ in the given equation and solve the equation –
36 × 7 + 240 ÷ 6 – 11
= 36 × 7 + 40 – 11
= 252 + 40 – 11
= 292 – 11
= 281
So, 281 is the required answer to the given equation. Hence, the first option is correct.
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