The population of a city increased by 30%in the first year and decreased by 15% in the next year. If the present population is 11.050 then the population 2 years ago was :
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e 10,000
Explanation:
Let 2 years ago the population of a city be x.
Population after 1 year = x × (130/100)/(100) = 1.3x
Population after 2 year = 1.3x (85/100) = 1.105x
11050 = 1.105x
x = 10000
The population 2 years ago was 10000.