Find the population of a city after 2 years which is at present 12 lakhs, if the rate of increase is 4%.

The population of a village is 6250. It is found that the rate of increase in population is 8% per annum. Find the population after 2 years.

If a population growing exponentially double in size in 3 years, what is the intrinsic rate of increase (r) of the population?

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 0,000 in 1999 and 25000 in the year 2004, what will be the population of the village in 2009 ?

The ratio of present ages of P and Q is 3:8 and after 6 years their ages ratio Is 4:9 then the age of P at present is ________ Years,

The radius of a circle is increasing uniformly at the rate of 3 cm/s. Find the rate at which the area of the circle is increasing when the radius is 10 cm.

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

The side of a square increases at the rate of lem per second. Find the rate at which the area of the square increases wen the sideris 15 cm. Also find the rite at which the perimeter increases

The population of Hyderabad was 68,09,000 in the year 2011. If it increases at the rate of 4.7% per annum. What will be the population at the end of the year 2015?

The present age of Vijay's mother is four times the present age of Vijay. After 6 years the sum of their ages will be 62 years. Find their present ages.