Greetings!

Jee main is held at national level for admission in number of engineering colleges. The exam consists of three subjects- physics, chemistry and maths. Each subject has equal weightage . If you score minimum 50 out of 100 in a single subject then your percentile will be more than 70 percentile. It all varies from year to year as per the difficulty level.

You can use jee main rank predictor to predict your rank as per your marks,using

For predicting colleges according to jee main rank use colleges predictor-

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

All the best!