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Q.

The population of a place increased to 54000 in 2003 at a rate of  5% per annum. Find the population in 2001.


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a

48735(approx.)

b

46480(approx.)

c

49910(approx.)

d

47970(approx.) 

answer is A.

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Detailed Solution

Population in 2003=54,000
time(n)=2 years
r=5%
Real population =?
54000=p(1-51002)  54000=p0.9025 p=48735 so,the population in 2001=48735
  
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