Capitals of post Soviet Union countries

In 90 seconds, make every country disappear from the map by typing both its first 2 letters and its last 2 letters.

Name the countries where the most people speak Russian as their native language.

20 random countries have been removed from the map of the world! Can you identify them in 3 minutes?

Answer these questions with a single digit from 0 to 9. But be careful! Three wrong answers ends the quiz.