best advice is to understand why you're getting a question wrong/right. watching the explanationvideos and getting to the core of the questions really helped me with this.
A great source I have used is Kevin Lin on YouTube- He has great videosfor your weakest areas. Immediate game changer and yes I think that will help greatly to get your score that high by November, just watch the videos.
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I was going through PT1 Reading comp passage. In that ... has recommended to watch some videos on Art if you are ... youtube channels/documentaries to watch for better understanding of Art?