Grading System Marks Range Grade Grade Point 91-100 A1 10.0 81-90 A2 9.0 71-80 B1 8.0 61-70 B2 7.0 51-60 C1 6.0 41-50 C2 5.0 33-40 D 4.0 21-32 E1 C 00-20 E2 C
