The population of a town increased from 1,34,000 to 2,32,500 in a decade. The average percent increase of population per year is:
Choices.
A) 4.37%  B) 7.3%  C) 7.6%  D) 8.75%  E) None
Explanation: Increase in 10 years = (232500 - 134000)= 
<gadget id="calculator">(232500 - 134000)</gadget>
<output>98_500</output>
98500.   Increase%= (98500/134000 x 100)% = 73%.   Required average = (73/10)= 
<gadget id="calculator">(73/10)</gadget>
<output>73/10 = around 7.3</output>
7.3%.   Answer: Option 7.3%
<result>B</result>
The population of a town increased from 1,34,000 to 2,32,500 in a decade. The average percent increase of population per year is: