Dear Sheetal,

The solved and unsolved questions in NCERT books are the most important questions for the Class 10 Maths exam. In addition, examiners sometimes pick questions for board exam papers directly from the NCERT textbooks or base their questions on them. Therefore, students will hardly find any concept in the exam that is not discussed in these books.

Here is the given link where can get sample papers:

https://school.careers360.com/boards/cbse/cbse-class-10-sample-papers