What can you deduce from the following BrainBat?

CRY
LMKI

Why do you find that most of the buildings are deprived of the 13th floor?

Can you move 2 matchsticks to form four equal sized squares.

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

A family is trapped in a jungle. There is a bridge which can lead them to safety. But at one time, the bridge can only allow two people to pass through. Also, all of them are afraid of the dark and thus, they can't go alone.

Father takes 1 minute to cross, the mother takes 2 minutes, the son takes 4 and the daughter takes 5 minutes. While crossing the time taken will be according to the slower one. How can they all reach the other side in the minimum possible time?

Can you count the number of triangles in the given figure?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

What is the end of everything?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?