Hii aspirants

let me clear your doubt.

There are vairous sites available online from where you can get previous year question paper of class 11 and 12 along with their answers also there are sites from which you can download ncert solutions. There are vairous apps also available for preparationof class 11 and12 and there wyou will get all the notes, question paper. etc.

I hope my answer will help you out

Good luck