No, qualifying JEE Main is a prerequisite for appearing in JEE Advanced.

Yes, there is negative marking for incorrect answers in both JEE Main and JEE Advanced.

Prioritize questions based on your strengths, and avoid spending too much time on a single question.

While self-study is possible, coaching institutes can provide valuable guidance and support to enhance your preparation.

For numerical answer-type questions, focus on the correct answer rather than multiple-choice options. Pay attention to units and significant figures.