If ‘+’ means ‘–‘, ‘–‘ means ‘×’, ‘×’ means ‘÷’ and ‘÷’ means ‘+’, then choose the correct expression from the following options.
5 – 92 × 23 ÷ 25 + 100
Answer
Correct Answer : b ) –55
Explanation :According to the question
5 – 92 × 23 ÷ 25 + 100
Interchanging the signs
5 × 92 ÷ 23 + 25 – 100
⇒ 5 x (92/23) + 25 - 100
⇒ 5 × 4 + 25 –100
⇒ 20 + 25 – 100
⇒ –55
Hence, (b) is the correct answer.
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