Hi

It is difficult to predict the marks/ percentile required to get a rank of 30,000.

This is because,
Marks required to get a particular rank as  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 when we go through previous year trends then,
To get rank of 30,000 you need at least around 97 percentile and 97 percentile in terms of marks is around 120 marks.

You can check the same at our page the link  is provided below

https://engineering.careers360.com/articles/jee-main-marks-vs-percentile

Now, limited time is left for jee mains 2021 , so focus on your preparation, to prepare well your jee examination, go through chapters first and your focus should be on grasping concepts , practising questions and then revising them, go through mock test paper sample papers and previous year question papers as it will let you know your preparation level and and weak areas so that you can work on them and perform well in your examination.

To prepare well you can go for our jee program at the convenience of your home, the link for the same is provided below

https://learn.careers360.com/knockout-jee-main-april /

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