Dear class XII Students,
I hope that you all are now preparing for Pre-Board exams. I am here providing you some files/links which will help you to prepare better in Mathematics.Latest Sample Paper by CBSE
Sample Papers by Directorate of Education (given to every Government School Students)(Please check two Sample papers from page number 136 onward)
You may also check my Previous Posts where reference material, assignments, book by DOE(govt. Schools) etc.
Wishing you all best of luck.