Question

census population of a district in 1981 was 4.54 lakhs, while in year 2001 it was 7.44 lakhs. what was the estimated mid-year population of that district in year 2009.

Answer 1

1) 1981/4.54 lakhs

2) 2001/7.44 lakhs

3) 20 years gap.

4) 2.9 lakhs population increase in 20 years.

5) Every one year increase 0.145 population.

6) After 8 years from 2001 it increases at 3.77 population.

Hence 8.31 lakhs population is the estimated mid year population of that district in 2009.