Which number should replace the question mark?

Who has married many women but was never married?

Find the 8 in the below-given Image.

What has lots of eyes, but can’t see?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

What does this rebus riddle mean?

Which famous Hollywood movie name is hidden in the below rebus?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

What is the fastest way to double your money?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.