A database of competitions containing 600 questions in various sciences
I present you with a database of competitions for more than 40 different types of science as shown in the attached video; Two versions:
It is divided into three levels: Easy – medium – advanced.
(Version 2) Divided into 43 types of science and knowledge, if you wish to purchase them, please select from the bottom of the list of (developments available for this service).
For5, you’ll get a database of competitions with only 600 questions in the three levels.
The database of competitions in both linguistic and scientific versions is the database of my famous program: Who’s gonna win the million.