Yes, NCERT solutions are helpful for quick revision before the CBSE Class 10 board exams. Here are the reasons why:

1. Comprehensive Coverage:
NCERT solutions are designed to cover the entire CBSE syllabus for Class 10. They provide detailed explanations and solutions for all the questions and exercises given in the NCERT textbooks. Therefore, by referring to these solutions, students can revise all the important topics and concepts effectively.

2. Clarity of Concepts:
NCERT solutions are prepared by subject matter experts who have a deep understanding of the concepts. The solutions are written in a concise and easy-to-understand manner, which helps students clarify their doubts and enhance their understanding of the topics. This clarity of concepts is crucial for quick revision before the board exams.

3. Exam-Oriented Approach:
NCERT solutions are designed keeping in mind the requirements of the CBSE board exams. The solutions provide step-by-step explanations and answer formats that are expected in the exams. By practicing with these solutions, students can familiarize themselves with the exam pattern and gain confidence in answering questions accurately.

4. Practice Questions:
NCERT solutions include a wide variety of practice questions for each chapter. These questions are designed to test the students' understanding and application of the concepts. By solving these questions, students can assess their knowledge and identify areas where they need improvement. This practice is essential for effective revision and exam preparation.

5. Time-Saving:
NCERT solutions provide direct answers and explanations to the questions, saving students' time in searching for solutions elsewhere. Instead of referring to multiple books or websites, students can rely on NCERT solutions for quick and accurate revision. This time-saving aspect is particularly beneficial when preparing for the board exams, where time management is crucial.

6. Accessible and Free:
NCERT solutions are easily accessible and available for free. Students can find these solutions online on the official NCERT website or platforms like EduRev. This accessibility ensures that students can revise anytime and anywhere, making it convenient for quick last-minute revisions.

In conclusion, NCERT solutions are indeed helpful for quick revision before the CBSE Class 10 board exams. Their comprehensive coverage, clarity of concepts, exam-oriented approach, practice questions, time-saving nature, and accessibility make them a valuable resource for students preparing for the exams.