What Deficiency does the below rebus represent?

VIT_MIN

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

I am a word of 12 alphabets.

* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.

On whole it means a person suffering from delusions of greatness.

What Is it ?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

Can you find out which options fits best with the missing column?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?