Hi aspirant,

•••>>There is difference in JEE Mains and JEE Advanced entrance exams though both of them are conducted by National Testing Agency (NTA).

>>>There is difference in difficult level of exam. JEE Advanced difficulty level is more than JEE Mains difficulty level.

>>>The exam paper pattern of JEE Mains and JEE Advanced are different. JEE Mains has two papers, Paper 1 for Engineering and Paper 2 for Architecture. JEE Advanced has two papers which is compulsory to attempt both the papers.

***For more information about JEE Mains Exam paper pattern, visit below mentioned link.

https://engineering.careers360.com/articles/jee-main-exam-pattern/amp

***You can check JEE Advanced Exam paper pattern, using below given link.

https://engineering.careers360.com/articles/jee-advanced-exam-pattern/amp

>>JEE Advanced syllabus is some what more than JEE Mains entrance exam.

***To get more details about JEE Mains syllabus visit below mentioned link.

https://engineering.careers360.com/articles/jee-main-syllabus/amp

***You can go through JEE Advanced syllabus, using below mentioned link.

https://engineering.careers360.com/articles/jee-advanced-syllabus/amp

>>Questions asked are different in both the exams and depth of questions is more in JEE Advanced entrance exam than JEE Mains entrance exam.

>>Through JEE Mains you can get admission into NITs, CFITs, IIITs etc. Through NEE Advanced exam you can get admission into IITs, etc.

***To get more information about JEE Mains Knockout, visit below mentioned link.

https://learn.careers360.com/knockout-jee-main-april/

May this information was helpful to you.

Best of Luck!!