In one year, the population, of a village increased by 20% and in the next year, it decreased by 20%. If at the end of 2nd year, the population was 9600, what was it in the beginning?  Choose the correct choice from the following answers:  A) 10000  B) 8000  C) 1988  D) 1277  E) 2081

Rationale: x * 120 / 100 * 80 / 100 = 9600 x * 0.96 = 9600 x = 9600 / 0.96 = > 10000 answer : a
Answer: A