Hello candidate,

To get 10 grade points on average from a total of 100 marks the candidate needs to score at least 91 marks 200 marks in between for getting 10 grade.

Hence, for obtaining A grade of 10 points out of a total of 75 marks the candidate must score above 66 marks. For Getting 10 grade points out of a total of 60 marks, one needs to score above 55 marks.

Hope it helps.