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Population Growth

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?

8500

8000

8100

8400

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_________?

10

11

10.25

10.15

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

53,900

54,000

54,080

54,900

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%

4.04%

4%

3.96%

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?

18000

19000

17000

20000

The total population of a village increased from 1,80,00 to 22, 500 in a decade. The average percentage increase of population per year of that village is:

2.37%

2.5%

3.6%

6.75%

I there is