Dear Aspirant !!
Hope you are doing well ! I don't know about which PDFs your are talking about here . But for high weightage chapter of jee mains ,you can definitely visit the link given below ;-
https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://engineering.careers360.com/articles/jee-main-chapter-wise-weightage&ved=2ahUKEwiKuczk9YSKAxWkgK8BHYvrG7IQFnoECBsQAQ&usg=AOvVaw1NB48wwpqRq2mKuey0LIny .
Hope it will be helpful !!
Thanking you !!
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