Q. Multan’s population starts decreasing from 272000 at the rate of 2700 per year. Karachi’s population starts increasing at the same time from 190000 at the rate of 1400 per year. When will both the cities have same population?

• A. 15 years
• B. 20 years
• C. 10 years
• D. 16 years

Correct Answer: B