Count the number of lines in the image below ?

What building has the most stories?

The captain of a ship was telling this interesting story: "We travelled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly." How can that be possible?

What makes this number unique: 8,549,176,320?

Which city is three-fifths chick two third cat and 50% goat?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Can you count the number of blocks in the picture below?

You are a prisoner sentenced to death. The Emperor offers you a chance to live by playing a simple game. He gives you 50 black marbles, 50 white marbles, and 2 empty bowls. He then says, 'Divide these 100 marbles into these 2 bowls. You can divide them any way you like as long as you use all the marbles. Then I will blindfold you and mix the bowls around. You then can choose one bowl and remove ONE marble. If the marble is WHITE you will live, but if the marble is BLACK... you will die.'

How do you divide the marbles up so that you have the greatest probability of choosing a WHITE marble?

I am white when I am dirty, and black when I am clean. What am I?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?