How can a man go eight days without sleep?

There was a strange boy who was born before his father. How can this be possible?

What is the next number in this series?

4,12,84,3612....

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

It is always ahead of me yet I can never see it. What is it?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

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

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?