JEE Main

It depends upon the cutoff which has not released since the result is not announced. The result will be coming on 30th April 2018. After this the cutoff for the different categories will be announced. Then if you do not attain the minimum score then you will not get any college but if you have qualified with above minimum marks then it might be possible that you will get the college.

The JEE Mains exam was been conducted on 8th April which is why you can't get the papers now. However, some coaching institutes provide the answer key with the question paper.

110 is not that bad a score. You can get good private colleges or if you wish to apply for the Advance, then go ahead.

Yes, you can get NITs but not the core branches such as CS, mechanical, civil and others. You will get another branch of your choice.

You can clear the entrances of VIT, BITS Pilani, HBTI, etc.

No, 12th marks are not to be added in JEE Mains score.

Yes, it is necessary because admission cannot be done in B.Tech without JEE Mains.

Yes. Their cut off marks are same.

Hello,
These are the answer keys for JEE Mains paper 2018:
I am attaching a link here solution for code-B paper also. All these are provided by the Resonance Institute.
https://www.resonance.ac.in/answer-key-solutions/JEE-Main/2018/Answer-Key-Solution.aspx