hello,

you can get the soft copy of the book by searching it on your browser. You will get various results as per your search which offers the soft copy of the book.

you can get the model question papers for mathematics and all the other subjects from the link below

https://school.careers360.com/articles/up-board-10th-model-papers

Also, check the link below to download the Up Board class 10th math syllabus.

https://school.careers360.com/download/ebooks/up-board-10th-mathematics-syllabus

Good luck!