JEE Advanced is a very tough examination, where no question is repeated throughout history. To handle such examination, students need to practice extensively the question which are challenging and which open up the different avenues in their thinking process. So below are the videos of such tough and challenging sums which will force you to think. Don’t worry if you do not get them, solutions are also discussed in the video. All the best and do subscribe to my youtube channel to get such amazing videos.