Hi

It's quite difficult to make prediction but yes as per previous year trends, with 100 marks your percentile will be around 95-96 percentile and your rank will be around 40,000 , for rank vs marks vs percentile you can refer to our page for which link is provided below:-

https://engineering.careers360.com/articles/jee-main-marks-vs-percentile/amp#referrer=https://www.google.com&csi=1

The above prediction is on the basis of past year trends but yes marks vs rank 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. So, treat the above above prediction as rough estimate.

Also,

You can predict your rank/percentile using rank predictor , for which link is provided below

To have a clear picture of the colleges in which you have chances and to get the complete list of colleges in which you have chances on the basis of the category you belong to,  your home state, your gender etc, you can go through our jee main college predictor at

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

If you have any other doubt then you can always reach us to clear them :) we are always available to help you out and guide you

Thankyou