If the student is dedicated and focus in his /her career . On internet you will get a lot of question of paper mostly solved. Practically you cant get the unsolved paper online because the official question paper released by NTA contains the answer itself.

I would suggest you to hide the answer portion while solving problems. This will help you to build up your confidence as well as time management and also there will be no problem regarding the solutions.
There was a link where student get paper click here.
https://engineering.careers360.com/articles/jee-main-question-papers

Best of luck for your jee
I hope this answer helps

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