All the topics are important but here are some of the topics:

Quadratic Equation

Progressions

Differentiation

Integration

Probability

Complex Numbers

Binomial Theorem

Probability

Determinants and Matrices

Vectors

Limits

Combinations and Permutations

Trigonometry

Coordinate Geometry

Good Luck!

You can check the syllabus of both the exams from the given below link

JEE Main Syllabus

https://engineering.careers360.com/articles/jee-main-syllabus

JEE Advanced Syllabus

https://www.jeeadv.ac.in/Syllabus.html

Good luck!!

IN SOME AIATS (LAST AIATS OF 11TH OR 12TH) THEY PUT ALL QUESTIONS TOUGH IN ANY ONE OR TWO SUBJECTS MEANS NOT EVEN SINGLE QUESTION IN MED JEE ADV LEVEL ALL ARE VERY NEW AND DIFFERENT AND MED-HARD ADV LEVEL IT SOMETIMES FEELS LIKE NO QUESTION IN SOLVABLE THIS IS

In order to crack your exam make sure you are determined and self motivated.

IIT JEE is one of the top competitive level exam if you want to get into IITs you need to work really hard.

First, make the time-table which is realistic. Set your daily and weekly targets

No, there is as such no quota of single child.

There is quota for OBC, ST and SC.

Hi, I am sorry but you will not be eligible for the exam in 2019 as per the JEE advanced rules. So for someone who is appearing JEE Advanced 2018 - he /she has to pass the class 12 exam either in 2017 or 2018. So this rule clearly specifies

Dear Saurbah, 

 It would  not be a very great idea to completely rely on H C Verma for JEE Advanced. You can  explore other popular books which are rrecommended by the experts as well as the toppers. 

You can check the link that is given below. It mentions the other

Firstly I would suggest you for NCERT books to clear your basic concepts then Cengage is a good book for Algebra, Other books for Mathematics you can prefer given below:

Mathematics by RD SHARMA

CO-ORDINATE GEOMETRY BY SL LONEY.

Trigonometry by SL LONEY

Problems in calculus of one variable by