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

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

What do you call a fish without an eye?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

I know a nine-letter word having only one vowel.
Do you ?

A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

I can be cracked, made, told, and played. What am I?

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