The population of a city is 8000. It decreases annually at the rate of 20% p.a. What will be its population after 2 years?  Choose the correct answer:
A) 1000 B) 1200 C) 1250 D) 3000 E) 5120
Formula :   ( After =100 denominator   Ago = 100 numerator)   8000 × 80/100 × 80/100 = 5120   5120
<result>E</result>
The population of a city is 8000. It decreases annually at the rate of 20% p.a. What will be its population after 2 years?