The population of a town is 176400. If it increase at the rate of 5% per annum. What was its population 2years ago?  Choose the most appropriate option
A) 152460
B) 214560
C) 160000
D) 210000
E) 200000
population 2 years ago = 176400/(1 + 5/100)^2   = 176400* 20/21 * 20/21= 
<gadget id="calculator">176400* 20/21 * 20/21</gadget>
<output>160_000</output>
160000   Answer is 160000
<result>C</result>
The population of a town is 176400. If it increase at the rate of 5% per annum. What was its population 2years ago?