If each year the population of the country grows by 30%, how many years will elapse before the population of the country doubles?  Select:
A) 2
B) 4
C) 5
D) 3
E) 7
Till Year 2000, population is 100 .   Year 2001: Population becomes 130 ............. 1 Year elapsed   Year 2002: Population becomes 169 ............. 2 Year elapsed   Year 2004: Population &gt; 200 .................. 3 year elapsed   Answer:3
<result>D</result>
If each year the population of the country grows by 30%, how many years will elapse before the population of the country doubles?