The present population of a town is 280. Population increase rate is 10% p.a. Find the population of town after 1 years?
Choose the correct choice from the following options.
A) 100 B) 120 C) 200 D) 220 E) 308

Rationale: "p = 280 r = 10 % required population of town = p * ( 1 + r / 100 ) ^ t = 280 * ( 1 + 10 / 100 ) = 280 * ( 11 / 10 ) = 308 answer is e"
Answer: E