However, here are some general tips that can help in planning your study hours effectively:

1. Understand the exam pattern and syllabus: Before starting your preparation, it is important to understand the JEE exam pattern and syllabus thoroughly. This will give you an idea of the topics you need to cover and the weightage of each topic in the exam.

2. Create a study plan: Once you have a clear understanding of the exam pattern and syllabus, create a study plan that suits your learning style and schedule. Divide the syllabus into smaller chunks and allocate time for each topic accordingly.

3. Focus on concepts rather than memorization: JEE is a concept-based exam, so it is important to focus on understanding the underlying concepts rather than memorization. Practice solving problems and apply the concepts to real-life situations.

4. Practice regularly: Regular practice is key to scoring well in JEE. Solve as many practice papers, mock tests, and previous year's question papers as possible to gain confidence and improve your speed and accuracy.

5. Take breaks and stay motivated: Studying for long hours without breaks can lead to burnout and demotivation. Take regular breaks, indulge in hobbies, and stay motivated throughout the preparation.

In conclusion, the number of hours required to prepare for JEE 2024 varies from person to person. However, with a clear understanding of the exam pattern and syllabus, a well-planned study schedule, and regular practice, one can ace the exam.