The population of a place increased to 54,000 in 2003 at a rate of 5% per annum : what would be its population in 2005?

The population of a place increased to 54,000 in 2003 at a rate of 5% per annum : find the population in 2001.

The population of a city decreased from 25,000 to 24,500. Find the percentage decrease.

The population of a village increases continuously at the rate proportional to the number of its inhabitants present at any time. If the population of the village was 20, 000 in 1999 and 25000 in the year 2004, what will be the population of the village in 2009?

The population of a city was 20,000 in the year 1997. It increased at the rate of 5% p.a. Find the population at the end of the year 2000.

If a population of 50 Paramecium present in a pool increases to 150 after an hour, what would be the growth rate of population?

A population grows at the rate of 2.5% per annum. How long does it take for the population to double?