In one year, the population, of a village increased by 10% and in the next year, it decreased by 10%. If at the end of 2nd year, the population was 7920, what was it in the beginning?
Choices:
A) 2277
B) 8000
C) 2688
D) 1266
E) 1912
x*110/100 * 90/100 = 7920   X*0.99=7920   X=7920/0.99= 
<gadget id="calculator">7920/0.99</gadget>
<output>8_000</output>
&gt; 8000   Answer: 8000
<result>B</result>
In one year, the population, of a village increased by 10% and in the next year, it decreased by 10%. If at the end of 2nd year, the population was 7920, what was it in the beginning?