go to google and type "jee mains previous paper" .you can get the paper with solutions. download the papers and keep practicing . you can get an idea on the pattern of the questions. but dont rely compeletly on the papers as patterns may change amd difficulty level of each subjects also.

Dear Aspirant,

Here is the link for the previous papers of jee mains.check the link below.

https://engineering.careers360.com/articles/jee-main-question-paper