Good evening!!

I am hoping that you are absolutely fine. As per your mentioned query , i would like to know you that firstly for the preparation of 10th boards you have to complete your maths NCERT first along with its examples. As it is very important book and it is also the base of all the concepts. Question comes in exam based on ncert level questions. After that NCERT exemplar is also one of the good book. The questions in Mathematics exemplar problems are more advanced and conceptual. Here , i am giving you the book names which are prescribed by the CBSE for maths 10th board.

• Mathematics - Textbook for class X (NCERT Publication)
• Mathematics exemplar problems for class X ( NCERT Publication)
• Guidelines for Mathematics Laboratory in Schools, class X ( CBSE Publication)
• Laboratory Manual - Mathematics, the secondary stage ( NCERT Publication)

You can refer these books. Also i have mentioned a link of best reference books for maths 10th boards. Kindly go through it :

https://school.careers360.com/boards/cbse/best-reference-books-for-cbse-class-10-mathematics

I hope this will helps you !!