Population

The rate of growth of a population is proportional to the number present if the population of a city doubled in the past 25 years,and the present population is 100000, when will the city have a population of 500000?

What is the population of the city A? The ratio of the population of males and females in city A is 27:23 and the difference between their populations is 10000. II.The population of city A is 80% of that of city B.The difference of population of city A and city B is 312500.

The total population of a city was 20,000. If there is a 10 percent increase in the population of men And if there is a 6 percent decrease in the population of women, then the total population remains unchanged. Find the population of men and women

Following table summarises the differences between natality and mortality. Select the incorrect ones. {:("Natality","Mortality"),((i)"Natality is number of births per unit population per unit time.","It is number of deaths per unit population per unit time."),((ii)"It adds new individuals to the population.","It removes individuals from the population"),((iii)"It increase the size of population.","It decreases the size of population"),((iv)"It increase population density.","It reduces population density."),((v)"It is low when population size is small and high when population size is large.","It is high when population size is small and low when population size is large."):}

Some places in India are densely populated while others are sparsely populated. Substantiate.