Subject
Quantitative Aptitude
Topic
Percentage
The population of a country doubled every 10 years from 1960 to What was the percent increase in population during this time?
The population of a country doubled every 10 years from 1960 to What was the percent increase in population during this time?
ক)
200%খ)
300%গ)
700%ঘ)
800%Explanation
1990-1960=30 years if in the first 10 years ,the population was x,then after 30 years it would be =x+2x+3x=7x so, increase=7x/x X 100%=700%Related questions
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