It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

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

What always comes into a house through the keyhole?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

A man is lying dead in a field where no one is around. His head is split open and his legs are disfigured. Near to him, there is an unopened package. No living organism can be found anywhere at the crime scene.

How did he die?

If you had an infinite supply of water and 5-quart and 3-quart pails, how would you measure exactly 4 quarts? What is the least number of steps you need?

Which word does the below Plexor means ?

What number when divided in half becomes zero?

My sock drawer has 26 blue socks, 13 pink socks, 33 green socks, and 12 red socks, how many socks would I have to pull out in the dark to be sure I had a matching pair?

After a heavy Thanksgiving meal, the night watchman went to work. In the morning, he told his boss he had dreamed that a saboteur planted a bomb in the factory and that he felt it was a warning. The boss promptly fired him. Worker confused, Why boss fire him?