Number of questions Difficulty Time for solution Group   EASYMAT 01 20 easy unlimited 1   EASYMAT 02 20 easy unlimited 1   MEDIUMAT 01 20 medium up to 40 min. 3   UNIMAT 01 20 normal unlimited 2   UNIMAT 02 20 high 120 min. 4   UNIMAT 03 20 high 180 min. 4   UNIMAT A 20 higher unlimited 5   UNIMAT B 20 higher unlimited 5   UNIMAT C 20 higher unlimited 5 Author and owner: Stanislav Hatala Last update: 29.08.2003 Translation: Katarína Hatalová Graphics: Dana Hatalová   Webmaster: Roman Novota