A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

What has many teeth, but cannot bite?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

I have no life, but I can die. What am I?

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

Find the missing number in the sequence below:

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?