Class 9th and 10th science and maths olmpiiad and compitenti based questions and pyq.
For Class 9 and 10 Science and Mathematics Olympiads, you can use previous year question papers and sample papers to practice. These papers help you understand the exam pattern and the type of questions asked. For competency-based questions, CBSE provides chapter-wise questions that are aligned with the syllabus, which are very helpful for preparation.
Official website for CBSE competency-based questions: https://cbseacademic.nic.in/cbe/assessment.html




