the population of a town is 20000 . it increases annually at the rate of 20 % p . a . what will be its population after 2 years ?
"explanation : formula : ( after = 100 denominator ago = 100 numerator ) 20000 * 120 / 100 * 120 / 100 = 120 * 120 * 2 = 28800 answer : option d"
add(20000, multiply(divide(multiply(20000, 20), const_100), 2))