How can a man go eight days without sleep?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

Why do people go to bed?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

what's the probability of getting a king or a queen from a pack of 52 cards?

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

What has no start, end, or centre?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?