Which Burger Is Different in below image?

Can you replace the question mark with the correct number?

I am quite hot but become too cold if you remove the first two letters. What am I?

What does it mean?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

A Miser man decided to go on a vacation for a month. He goes to the bank and asks for a trip loan of $500. The bank officer asks the man that the loan can only be approved when he mortgage some valuable thing at the bank. Miser man mortgages his only car whose worth was a whopping $80000. The Bank officer laughed at him and approve the loan instantly. After vacation when the miser man returns, the bank officer asked him "Are you an idiot, why is your mortgage such an expensive car for such a short loan?".

Miser man replied with some reason and the bank officer agreed that the miser man is actually not an idiot.

What did miser man reply to the bank loan officer?.

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

What is always in front of you but can’t be seen?

I am written with two letters.
I said with the one.
I usually am seen with the two.

Who am I?