Country Borders - Double tripoints and 4 bordering each other
List the following combinations:
- sets of 3 countries with more than one tripoint (a geographical point at which the borders of three countries meet)
- sets of 4 countries which border each other
Tripoints data from http://en.wikipedia.org/wiki/List_of_tripoints
Sets of 4 countries bordering from http://en.wikipedia.org/wiki/List_of_sets_of_four_countries_that_border_one_another
List of countries from http://www.jetpunk.com/quizzes/how-many-countries-can-you-name.php
There's a lot missing in Europe, Africa and even Asia. I know that maybe you didn't want to put all of them, but maybe you should consider putting them all.
mexico - belize - guatemala
guatemala - el salvador - honduras
brazil - guyana - venezuela
brazil - guyana - suriname
brazil - suriname - france
peru - colombia - ecuador
peru - bolovia - chile
brazil - argentina - uruguay
And that's only in American continent.
There's a lot missing in Europe, Africa and even Asia. I know that maybe you didn't want to put all of them, but maybe you should consider putting them all.
Now that's a quizz! ;)