The present population of a town is 200. Population increase rate is 10% p.a. Find the population of town after 1 years?
Pick one: A) 100 B) 120 C) 200 D) 220 E) 250

Rationale: "p = 200 r = 10 % required population of town = p * ( 1 + r / 100 ) ^ t = 200 * ( 1 + 10 / 100 ) = 200 * ( 11 / 10 ) = 220 ( approximately ) answer is d"
Answer: D