1.

The population of a town increasesby 5% during the first year andby 7% during the secondyearsthe end of second year thepopulation was 40446. What wasthe population at the beginning6​

Answer»

LET the SIZE of POPULATION at the BEGINNING  =x

Then x×  

100

105

​  

×  

100

95

​  

=9975

⇒x=  

105×95

9975×100×100

​  

 

⇒x=  

9975

9975×100×100

​  

 

⇒x=10000


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