What you cannot hold but it is yours?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Why 1729 is a magic number? Answer Logically.

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

I have no life, but I can die. What am I?

How many squares, of any size, can you find on this chessboard which do not contain a Rook?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

In a university, a professor gave a set of three problems to the three brilliant students of his class. See the image for the questions.

Can you count the number of matches in the picture below ?

What does below rebus means ?