Past exams are previous versions of tests that students have taken in a specific subject or course. They serve as valuable study tools, allowing learners to familiarize themselves with the format, types of questions, and topics that may appear on future assessments. By reviewing these exams, students can identify areas where they need improvement and practice their time management skills. Many educational institutions provide access to past exams for students to use as study aids. These resources can often be found in libraries or online platforms associated with the institution. Utilizing past exams can enhance a student's understanding of the material and boost their confidence before an upcoming exam.