Hey Priyanka

Yes, numerical are asked in the particular exam. A mixed of Conceptual and numerical questions are asked of class 11 and 12th.  Numericals are asked to check the student's concept clarity and whether he/she is able to implement the concept in application world.

To practice numerical questions, you can refer to textbooks exercises or you can refer to some good author for variety of questions. For further doubts, ask us. All the best