Country Flags that are Blue, Green, Red, White, and Yellow

Name the countries of the world whose flags contain ONLY the colors red and white.

Name the countries of the world whose flags contain only the colors red, white, and blue.

There are 10 countries of the world that have a four letter name. Can you guess them based on their flags?

Click only the countries that have white somewhere on their national flag. But don't click a wrong answer or you will instantly surrender!