The population of a town is 20000. It decreases annually at the rate of 20% p.a. What will be its population after 2 years?	Choose one:
A) 4300	B) 4500	C) 5120	D) 5230	E) 12800
20000 × 80/100 × 80/100 = 12800   Answer : 12800
<result>E</result>
The population of a town is 20000. It decreases annually at the rate of 20% p.a. What will be its population after 2 years?