The passing marks vary depending on the board in which you are taking the exam. For instance, if you are appearing for the CBSE board exams, the passing percentage is 33%. Therefore, to pass, you would need to score at least 26 out of 80 marks or 23 out of 70 marks.

Check the CBSE passing criteria for 10th, 12th class here https://school.careers360.com/boards/cbse/cbse-passing-marks-for-class-10-and-12

Hello Dear,

Generally the passing marks is 1/3 of total marks. So the passing marks for theory paper out of 80 are 26, out of 70 marks students need to attain 23 marks and out of 60 marks, 19 marks are required to pass the examination.

https://news.careers360.com/cbse-released-passing-marks-for-class-x-and-xii-board-exams-2020#:~:text=Whereas%20in%20the%20practical%20examination,required%20to%20pass%20the%20examination.

Good Luck