Why do people go to bed?

How many sides does a circle have?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

How many triangles are there in the picture below?

What does a man do only once in his lifetime, but women do once a year after they are 29?

Which word does the below Plexor means ?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

What is the fastest way to double your money?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

10+10 and 11+11 can give you the same answer.

Explain how?