Dear Aspirant

A one need minimum of 75percentage in 12 th to eligible for Jee advanced if he/she belongs to general category .Jee advanced pattern is not fixed as no of question changes every year .But last paper was of 372 marks .To appear for Jee advanced one main eligibility is your jee mains should be clear .last year cutoff for Jee main was 89.75 percentile .By clearing this percentile you are only eligible to sit in Jee advanced

If you want to know about cutoff for general category then you can visit the link mentioned below

https://www.google.com/amp/s/engineering.careers360.com/articles/jee-advanced-cutoff/amp

Thanks

All the very best