Question

find the population of a city after 2 yrs which is at present 20 lakh if the rate of increase is 5% per annum

Answer 1

Answer:

Step-by-step explanation:

Present population=20,00,000

Time given =2 years

Rate of increase =5 percent

population after 2 years,

=20,00,000*(1+5/100)^2

=20,00,000*(105/100)^2

=20,00,000*105/100*105/100

=200*105*105=45,00,000

After 2 years the population wil be 45,00,000

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