What is the riddle which can be asked all day with a different correct answer each time.

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

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

What goes through cities and fields, but never moves?

John was visiting his friend Jacob. He found out that his friend's wife had just killed a burglar in self-defense.
John asks Jacob about what happened and he told that "His wife was watching television when suddenly the bell rang. She thought that it is her husband Jacob but she found the burglar who attacked her instantly and she got so frightened that she killed the burglar immediately with the knife.
John asked the police to arrest his friend's wife. Why?

If eleven plus two equals one, what does nine plus five equal?

Can you place six X (crosses) in below board without making three in a row in any way ?

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

How many letters are in the alphabet?

What can you see in the middle of March and April that you can never see in any other month?