CBSE will release official JEE Main 2018 papers answer key from April 24-27.

Candidates can check the answer key of JEE Main 2018 from below provided links:-

Link for all sets question paper and answer key:- https://engineering.careers360.com/articles/jee-main-answer-key

Https://engineering.careers360.com/articles/jee-main-paper-2-answer-key

 The correct responses in the answer key have to be compared to the response sheet of yours.

You need to follow the official marking scheme to calculate the probable scores of JEE Main 2018.

Correct answer:- +4 marks

Wrong answer:- -1 mark

All the very best and good luck.

Hi Supramit

The official answer keys are not out yet but there are some coaching institutes which have given the answer keys. 

You can check them from the link given below:

https://engineering.careers360.com/articles/jee-main-answer-key

I would suggest you to wait for the official answer keys too.

All the best !