Hello aspirant,

Difficulty level of JEE Mains and JEE Advanced is different. JEE Advanced difficulty level is far tough than JEE Mains difficulty level.

The factors mentioned below makes difference JEE Mains and JEE Advanced.

Exam paper pattern

Difficult level of the exam

Cut-off percentile

Number of papers

Total number of questions

Marks distribution, etc

You can check JEE Mains Knockout using below mentioned link.

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

May this information was helpful to you.

Best of Luck!!