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Population of a colony of mosquitoes is increasing by 20% per day. If the population on Monday was 3000, on which day of that week the population would be 5184 ?

Correct Answer: Thursday

Explanation:

Given monday population = 3000
Per day 20% increase in population.


Tuesday population = 3000 + 3000x20/100 = 3000 + 600 = 3600


Wednesday population =3600 + 3600x20/100 = 3600 + 720 = 4320


Thursday population = 4320 + 4320x20/100 = 4320 + 864 = 5184


So that day is Thursday.


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