Preparing for the IIT JEE is a daunting task, with each subject presenting its own unique challenges. Candidates often find themselves asking which subject, be it Physics, Chemistry, or Mathematics, poses the greatest difficulty. This article delves into the nature of each subject, provides insights from experienced educators, and offers strategies to overcome these hurdles. By understanding the intricacies of JEE subjects, aspirants can better tailor their study plans and improve their chances of success.