As JEE MAIN is of total 360 marks and respective cutoff marks are there for OBC, SC, ST and PWD.

Here are the marks of OBC in previous years

• JEE MAIN 2019 - The cutoff was of 74.33 total NTA score
• JEE MAIN 2018 - The cutoff marks was 73 max and 45 min from a total of 360
• JEE MAIN 2017 - The cutoff was 49
• JEE MAIN 2016 - The cutoof was 70
• JEE MAIN 2015 - The cutoff was 70

The cutoff of 2020 is 72.88 total NTA score.

To check cutoffs of NIT'S, IIIT'S and GFT'S you can refer the following article.

https://engineering.careers360.com/articles/jee-main-cutoff

HOPE IT HELPS..