Dear student,
The weightage of various topics of jee mains is according to the previous years records. This year only the pattern had changed, earlier 30 questions used to come from each subject and all were compulsory, therefore the given weightage on the official site is of previous years. This year 20 Multiple choice questions will be there in each subject and 10 Numerical value question in each subject. But candidates have to attempt any five questions out of 10 Numerical questions in each subject
You can check the same from the following link: https://engineering.careers360.com/articles/jee-main-syllabus-weightage

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