The population of a town is 8000. It decreases annually at the rate of 20% p.a. What will be its population after 3 years?
Answers:
A) 5100
B) 4096
C) 5200
D) 5400
E) 5500
Formula :   ( After =100 denominator   Ago = 100 numerator)   8000 Ã— 80/100 Ã— 80/100 x 80/100= 4096   Answer : 4096
<result>B</result>
The population of a town is 8000. It decreases annually at the rate of 20% p.a. What will be its population after 3 years?