EPFO 2015 English Medium Solved Paper

Question : 113 of 120

Marks: +1, -0

In a medium-size township, the trend of annual immigration is an addition of 20% of the population as it was at the beginning; also 15% of the population as it was at the beginning is estimated of relocate elsewhere every year. If the current population is 80000, what is the likely population three years hence?

$90000$
$91200$
$92000$
$92610$

Validate

Solution:

Given, present population = 80000
Immigration percentage = 20%
Relocate percentage = - 15%
Total effective percentage = 20 -1 5 = 5%
Hence, population after 3 years

=80000×(1+{5/100})^{3}

=80000×(105/100)^{3}

=80000×9261/8000=92610

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