Hello sadika,

First of all i would like to tell you that don't worry. Believe in yourself that you will ace the exams. Worrying wont do any good.

Secondly, here is a link where you can find Class X and Class XII previous year Questionpapers and Solutions.

Here is the link for the same: https://raoiit.com/answer-key-solutions/boards-previous-year-answer-key-solutions.php

Hope this helps and all the very best to you Sadika!