A 20 out of 25 grade means you got 20 points out of a possible 25, which is 80%.
This usually translates to a B grade in most grading systems. It shows good performance, but there’s room for improvement.
Scoring 20 out of 25 means you earned 80% of the total marks. It indicates a good performance, showing you correctly answered most questions, with only a few mistakes. It often corresponds to a B or B+ grade.