The population of a city increases 5% annually in compounded manner (yearly compounding). The present population of this city is 93051. The population of this city 2 years ago was:

84400

5% =  \(\frac{1 }{20}\)

                         Principal  :  Amount

For 1st year              20    :      21

For 2nd year             20    :      21

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Overall                    400    :     441

ATQ,

441R = 93051

1R = 211

Initial Sum = 400R = 400 × 211 = Rs. 84400