Yes, RD Sharma Solutions for Class 12 Mathematics can definitely help you in scoring better marks in the board exams. Here's why:

Comprehensive Coverage:
- RD Sharma Solutions provide a comprehensive coverage of all the topics included in the CBSE Class 12 Mathematics syllabus.
- The solutions are well-structured and cover all the important concepts, formulas, and theorems.
- Each chapter is explained in a step-by-step manner, making it easier for students to understand and grasp the concepts.

Clarity of Concepts:
- The solutions provided in RD Sharma book are highly detailed and provide a clear understanding of the concepts.
- The solutions are written in a lucid language, making it easier for students to comprehend and apply the concepts.
- The solved examples and practice questions help in strengthening the understanding of the topics and improve problem-solving skills.

Practice Questions:
- RD Sharma Solutions include a wide range of practice questions at the end of each chapter.
- These questions are aligned with the CBSE board exam pattern and cover all types of questions that can be asked in the exam.
- Regular practice of these questions will help students in developing a strong foundation and improve their problem-solving abilities.

Exam-oriented Approach:
- RD Sharma Solutions are designed keeping in mind the requirements of the board exams.
- The solutions focus on the important topics and concepts that are frequently asked in the exams.
- The solutions also provide tips and tricks to solve the questions quickly and accurately, which can be beneficial during the time-constrained exam.

Additional Resources:
- RD Sharma Solutions also provide additional resources like previous year question papers and sample papers.
- Solving these papers will give students an idea about the exam pattern, marking scheme, and the types of questions that can be expected in the board exams.
- Practicing these papers will help students in gaining confidence and improve their time management skills.

Overall, RD Sharma Solutions for Class 12 Mathematics are highly beneficial for students preparing for the board exams. They provide a comprehensive coverage of the syllabus, clarity of concepts, ample practice questions, exam-oriented approach, and additional resources, all of which contribute towards better understanding and scoring higher marks in the board exams.