প্রশ্ন সংশোধন করুন
প্রশ্ন:
In one year, the population of city increased by 20%. The next year, it decreased by 10%. What was the percentage increase in the population over the two years?
In one year, the population of city increased by 20%. The next year, it decreased by 10%. What was the percentage increase in the population over the two years?