the population of a town was decreasing every year due to migration, poverty and unemployment. The present population is 6,31,680. Last year the migration was 4% and last before last was 6%. find the population two years ago?
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present population = population 2 years back(1-r1/100)(1-r2/100)=700000
Aryan11578:
bt is it exact?
yes
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13
Answer:
We will take the principal.
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