If the rate of increase of population is `5%` per year, then in how many years the population will be doubled?

If the rate of increase in population is r% per year, the population after n years is p, find the population that was n years before.

The present populatiion of a town is 16000. If the rate of increase of population be 5% per annum, then what will be the population of the town after 2 years?

If the rate of increase in population of is r% per year, the population after t years is p, Find the population that was t years before.

A population grows at the rate of 5% per year. Then the population will be doubled in :

A population grows at the rate of 5% per year. Then the population will be doubled in :

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.

A population grows at the rate of 10% of the population per year. How logn does it take for the population to double?