Hi
It's quite difficult to make prediction as marks vs percentile keeps changing every year depending upon various factors like
number of students that appeared in the exam,
kind of marks obtained by them ,
toughness level of the examination for different shifts of the exam etc.
but yes , you need at least around 170 marks to get overall 98.5 percentile as per our predictor at
JEE Main Rank Predictor - Know your expected IIT JEE Main 2021 Rank by ...
With 98.5 percentile,
Your crl will be around 15345 - 17250 and you obc rank will around 4000 - 5000.
To have a personalised report on your chances of getting a college you can go through our college predictor, it will give you complete list of colleges which you can get on the basis of the category you belong to, your home state, your gender etc, the link for jee main college predictor is provided below
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer
To score well in JEE main you should focus on your preparation, go through previous year question papers ,mock test papers and to help you in your preparation we have jee main knockout out for you, for which link is provided below
https://learn.careers360.com/knockout-jee-main
Thankyou
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