If you’re preparing for CBSE board exams and feel stuck about where to start revising, CBSE Previous Year Question Papers for Class 12 and CBSE Previous Year Question Papers Class 10 are easily the most effective tools you can use. Most students waste time jumping between notes, sample papers, and random study material, but a solid revision actually begins with understanding how questions were asked in real exams. That’s exactly why previous year papers matter. Below is a clean breakdown of why these papers are useful, how to use them properly, and which ones you should actually focus on.