Percentage - Quantitative Aptitude (MCQ) questions for Q. 777

Q.  If the population of a city increases by 5 % annually, what will be the population of the city in 2 years time if its current population is 78000?
- Published on 06 Jul 15

a. 81900
b. 85995
c. 85800
d. 90000

ANSWER: 85995
 
The % change in population of city in two years time is 1.05*1.05 = 1.1025 = 10.25%
Therefore, after 2 years the population of the city will be 1.1025 * 78000 = 85995

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