Percentage Practice Test 2 with solutions

Question : 38 of 40

Marks: +1, -0

The population of a town increases by 5% annually. If its population in 2008 was 138915, what it was in 2005?

Solution:

x×(1+5/100)^3=138915

⇒x×21/20×21/20×21/20=138915

⇒x=120000

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