Question

Which situation is best represented by the integer $-12$?

• A. The length of curtains is increased by $12$ inches
• B. The price of petrol is reduced by Rs. $12$
• C. The size of picture is enlarged by $12$ percent
• D. The temperature rises by ${12}^{o}C$

Answer 1

Answer: (B)

The price of petrol is reduced by Rs. $12$

Let increase in the petrol be represented by $+$ and decrease in the petrol be represented by $-$.

Situation in option (a), (c), (d) represents $+12$

SItuation in option (b) represents $-12$

Answer B