How can you tell a raw egg from a hard-boiled egg?

Decode this picture on T-Shirt and tell what it says ?

How many sides does a circle have?

Keyboard words are not in alphabetical order, Why?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

What has lots of eyes, but can’t see?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

What has one letter and starts with an E?