1. In one year, the population, of a village increased by 10% and in the next year, it decreased by 10%. If at the end of 2nd year, the population was 7920, what was it in the beginning?

2. The population of a city increases at the rate of 4% p.a. but there is an additional annual increase of 1% in the population due to some job seekers. The percentage increase in the population after 2 years is_________?

3. The population of a town increase every year by 4%. If its present population is 50,000, then after 2 years it will be

4. Population of a town increase 2.5% annually but it decrease by 0.5% every year due to migration. What will be the percentage increase in 2 years?

5. The population of a city is 35000. On an increase of 6% in the number of men and an increase of 4% in the number of women, the population would become 36760. What was the number of women initially?

6. The total population of a village increased from 18,000 to 22,500 in a decade. The average percentage increase of population per year of that village is: