why number 8549176320 is one of a kind?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

What does this below rebus puzzle mean?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?

From a pack of 52 cards, I placed 4 cards on the table.

I will give you 4 clues about the cards:

Clue 1: Card on left cannot be greater than the card on the right.
Clue 2: Difference between the 1st card and 3rd card is 8.
Clue 3: There is no card of an ace.
Clue 4: There are no face cards (queen, king, jacks).
Clue 5: Difference between the 2nd card and 4th card is 7.

Identify four cards?

You throw me out when you want to use me and you take me in when you don't want to use me.

Who Am I?

There is one four-digit whole number n, such that the last four digits of n2 are the original number n