I know it's a basic question, but it is driving us nuts and we can not find an answer anywhere.
In the category listing:
MA_050_02_01_Definition  (18)
MA_050_02_02_00_01_Geostrophic  (18)
MA_050_02_02_00_02_Gradient  (15)
MA_050_02_02_00_03_Friction Layer  (28)
MA_050_02_02_00_04_General  (32)
The number in round Brackets(32) is the number of questions in the category, but what is the number in square brackets ?
We do have random generated quizzes set up using all categories.