Question

Which of the following is different from the others?

विकल्प

• 20 + (–25)

• (–37) – (–32)

• (–5) × (–1)

• (45) ÷ (–9)

Answer 1

(–5) × (–1)

Explanation:

1. 20 + (–25) = 20 – 25 = –5
2. (–37) – (–32) = – 37 + 32 = –5
3. (–5) × (–1) = 5
4. (45) ÷ (–9) = `- 45/9` = –5

Hence, (–5) × (–1) is different.