JEE Main Preparation

It depends on what you mean by "dropping". If you are referring to dropping a course in college or university, it may or may not affect your placement or admission prospects, depending on the specific circumstances and the policies of the institutions you are applying to. If you drop a course and your overall academic performance remains strong, it is unlikely to have a significant impact on your prospects. However, if dropping the course results in a drop in your GPA or academic performance, it could affect your chances of admission to certain programs or institutions. Similarly, if you drop out of a college or university entirely, this could potentially have a negative impact on your prospects for further placement or admission, especially if you do not have a good reason for dropping out or if you do not complete your degree. It's important to carefully consider the potential consequences before making a decision to drop a course or leave an educational programme. You may want to talk to an academic advisory or counselor for guidance and advice on how best to proceed.

Probability of qualifying in JEE Advanced doesn't depend on your 10th grades in any way. So stop making such calculations and instead work hard to get enough marks in intermediate, minimum 75% is needed in intermediate in order to go for JEE. After that you need to prepare well and give your JEE Mains exam, after you qualify that you should prepare well for JEE Advanced exam, after qualifying that you're good to go. If you have got good scores then you can study in the best colleges, if not it's okay you can go for colleges which are suitable for your score. So, I recommend you prepare well, take mock tests, solve previous papers and do well in your exam. All the very best.