The smallest country of the world is

A. Russia
B. Vatican city
C. Brazil
D. Canada
✅ The correct answer is option B.
Based on landmass, Vatican City is the smallest country in the world, measuring just 0.2 square miles, almost 120 times smaller than the island of Manhattan. Situated on the western bank of the Tiber River, Vatican City’s 2-mile border is landlocked by Italy.

The most densely populated country of Africa is

A. Mauritius
B. Rwanda
C. Burundi
D. Sierra Leone
✅ The correct answer is option A.
With a population density of 624 inhabitants per square km, Mauritius is the most densely populated African nation. Port Louis, Mauritius. Mauritius has a higher population density than any other country in Africa. Africa is the second largest continent based on population as well as area.