One thing that must be remembered is JEE mains is NOT easy as compared to JEE advanced. You cannot compare the difficulty of two exams only on the basis of questions asked, the other parameters should also be included. I will try to explain the required methods in the preparation of both the exams by considering the difficulties faced during these exams. Follow the link : How should I solve this Jee advanced question

Jee Mains and Jee Advanced are two different engineering entrance exams. Jee Mains is conducted just after 12th Boards in the month of April. Clearing Mains, you can get a rank and admission into the NITs(National Institute of Technology),IIITs, and various other colleges like Amity. Many private colleges admit students through the Mains score too. Follow the link : JEE Main andJEE Advanced