The present population of a city is 180000. If it increases at the rate of 10% per annum, its population after 2 years will be :
Options:
A . 227800
B . 207800
C . 217800
D . 237800
Answer: Option C Answer: (c) Using Rule 17, If the population/cost of a certain town/ article, is P and annual increament rate is r%, then After ‘t' years population/cost = $P(1 + r/100)^t$ Before ‘t' years population/cost = $P/{(1 + r/100)^t}$
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