Yes, there are videos available that provide guidance on how to solve sample papers or previous year's question papers. These videos can be very helpful for students as they provide step-by-step explanations and strategies to approach different types of questions. Here is a detailed explanation of how these videos can assist students:

1. Understand the Format:
- The videos start by explaining the format of the sample paper or previous year's question paper. This includes information about the number of sections, types of questions, and marking scheme.
- This helps students become familiar with the structure of the paper and understand what to expect when they attempt it.

2. Explanation of Questions:
- The videos go through each question one by one and provide a detailed explanation of how to solve them.
- The explanations are given in a step-by-step manner, making it easier for students to follow along and understand the solution.
- The videos also provide tips and tricks to solve the questions more efficiently.

3. Time Management:
- Time management is an important aspect of solving sample papers or previous year's question papers.
- The videos guide students on how to effectively manage their time while attempting the paper.
- They provide strategies on how to allocate time to different sections and questions based on their difficulty level.

4. Test-Taking Strategies:
- The videos also focus on test-taking strategies that can help students maximize their scores.
- They provide tips on how to read and analyze questions, eliminate options, and choose the correct answer.
- These strategies can help students improve their accuracy and speed while attempting the paper.

5. Practice Exercises:
- Some videos include practice exercises that students can attempt along with the video.
- This allows students to apply the concepts and strategies they have learned and gain confidence in solving similar questions.

In conclusion, videos that provide guidance on how to solve sample papers or previous year's question papers can be a valuable resource for students preparing for exams. They help students understand the format of the paper, provide step-by-step explanations of questions, offer time management strategies, and teach test-taking techniques. These videos can be found on platforms like EduRev, which offer a wide range of educational content for students.