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 population of a town is 576000. If the rate of increase of population be 6 2/3% per annum, then what was the population of the twon before 2 years?

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.

The population of a country doubles in 50 years. Assuming that the rate of increase of population is proportional to the number of inhabitants, in how many years would the population becomes three times ?

If the present population of a village be P and th rate of uniform increase in population in every year be 2r% then the population of the village after years will be

The rate of increase of population of a state is 2% per annum. If the present population of a state be 80000000, then what will the population of the state after 3 years?

Current population of a village is P and rate of increase of the population per annum is 2r%. Then the population after n years will be____

The population of country increases at the rate proportional to the number of inhabitants. If the population doubles in 30 years, in how many years will it treble? Given log_(e)3=1.6log_(e)2 .

Fill n the blanks At present the population of village is P and if increased rate of populaton per year be R%, then the population was before N years______.