The total population of City A in 2019 is 3000. The population of city A in 2019 is 20% less than the previous year and the population in 2018 is 20% more than the previous year. Find the total population of City A in 2017.
a) 3200
b) 3350
c) 3000
d) 3125
e) None of these
Sol:
Total population of City A in 2017 = 3000 *
100/80 * 100/120 =3125