Qualifying mark for jee mains to get qualified to jee advance in stcategory is 44. So yes you will definitely get qualified. For general category it is 88.75 . SC category is 54. Gen EWS - 78.2 , obc - 74.31. Always remember this is according to latest information. For more information refer below link. https://engineering.careers360.com/jee-advanced-college-predictor?utm_source=qna&utm_medium=jee_adv_cp

Hi may be you are saying 90 marks that would be around  88 to 90 percentile according to previous trend and for st cut off was 34 percentile to 38 percentile

for reference you can check here

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