Hi dear,

The Central Board of Secondary Education released the Class 12 exam results on 13th July 2020. To calculate the percentage you need to add up maximum marks of each subject and separately add marks obtained in each subject. Now divide total of marks obtained by Total of Maximum marks and then multiply it by 100 to get percent. In case where you have 2 optional subjects and have in total 6 subjects, you can omit any one mark of either compulsory or optional subject.

Hope this helps.. Good Luck