Marks Range

Grade

Grade Points

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

-

20 and Below

E2

-