Question 148

An epidemic broke out in a village in which 5% of the populatin died. Of the remaining, 20% fled our of panic. If the present populatin is 4655, then the population of the village originally was:

Solution

let the total population be 100x

given that 5% people died

so 5%of 100x died

=>5x has died

now remaining are 95x

out of this 20% has fled away

i.e: 20% of 95x=19x

now remaining are 95x-19x=76x

given that the present population,76x=4655

x = 61.25

100x = 6125

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