Grade 9-7 (A): Typically requires 75-100 marks out of a total of 120 marks.
Grade 6 (B): Typically requires 60-74 marks out of a total of 120 marks.
Grade 5 (C): Typically requires 45-59 marks out of a total of 120 marks.
Grade 4 (D): Typically requires 35-44 marks out of a total of 120 marks.
It's important to note that these are just general guidelines and the actual mark boundaries may vary slightly from year to year. To determine the specific mark requirements for your exam, refer to the official grade boundaries provided by your exam board.