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?
Select the correct option.
A) 8002 B) 8000 C) 2869 D) 2790 E) 2760
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?