Hello aspirant!!!

I can't get your question. Kindly ask your question in a meaningful manner. I'm sorry because I was not able to give the answer. If you are preparing for competitive exam like jee I can give you a tips how to prepare for the exams.

Kindly refer to the following link below...

https://www.google.com/amp/s/engineering.careers360.com/articles/how-prepare-for-jee-main/amp

All the best!!!!

Stay safe!!