JAMB - Economics (2012 - No. 40)
In a village of 50 persons, 10 immigrated, 25 died and 5 emigrated in year. Determine the total population
10
20
30
50
Explanation
Emigrants are people who move in to settle in a particular region (increasing the new population)
Immigrants are people who move out of a particular region to another place. (Reducing the old place of residence)
50 + 10 = 60 new population
Less number of dead people and immigrants; = 30
60 - 30 = 30
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