Question

The increase in population of a city is at a constant rate of 5%. Find the expected population of the town after 2 years if the present population is 4,00,00​

Answer 1

Answer:

its of problem of compound interest.

present population:16000

Rate:+5

time:2 year

Note: compound interest works on interests.

1st year s.i.on 16000= 800

2nd year s.i.=40

interest on first year s.i.=40

next interest= 164

population after 2 years=16000+1640=17640