Hello,

You have to score around 250 or above to get a rank near to 30K. Basically, it will be difficult if more number of candidates comes above you. Rank is based on percentile secured in the entrance exam.

if 30k more candidates are above you then your rank will increase more. So just try to secure as much high as possible.

JEE Mains is one of the toughest entrance exam yet highly competitive. So take your time and learn and practice.

Hope it helps!