A. 10
B. 20
C. 30
D. 50
Correct Answer:
Option C – 30
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