If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

Why are all black people so quick ?

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

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

A man is found unconscious in front of a store at two in the morning. His head is bleeding and there’s a brick laying next to him. When the police arrive, they carry the man to jail. Why did they arrest him?

Sherlock breaks into a crime scene. The victim is the owner who is slumped dead on a chair and have a bullet hole in his head. A gun lies on the floor and a cassette recorder is found on the table. On pressing the play button, Sherlock hears the message 'I have committed sins in my life and now I offer my soul to the great Lord' and followed a gunshot Sherlock smiles and informed the police that's its a murder.

Why did he think so?

They are three errirs in this question. Can you find them?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

What is full of holes but still holds water?

Count the number of balls in picture below: