By Rahul Sharma, 10+1, Daurahat : Grades on a 9-point scale
Range from A1 (excellent) to E2 (dis-satisfactory)
D is the minimum pass grade A1 – above 91 score; B1 – 81 to 90; D – 33 to 40; E1 and E2 – below 33
Grades also carry equivalent points – 10 for A1 to 4 for D
Exact marks not to be revealed, but these points can be multiplied with 9.5 to get the average marks represented by grades
A1 will be equal to 95; A2 – 85.5; B1 – 76, B2 – 66.5; C1 – 57; C2 – 47.5
D will be equal to 38