Students of Class 11 are first advised to understand the syllabus designed by the CBSE board. Keeping this in mind they have to first study all the chapters from the NCERT Textbook. After a good understanding, students will be able to analyse the concepts which they are weak at and work on them for a better score. The exercise wise solutions of Class 11 subjects are available at BYJU’S which can be downloaded in PDF format for free.