What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

Which number comes next in the number series?

2, 9, 30, 93, ?

What always comes into a house through the keyhole?

A man is surviving on an island along with his friend. They have been starving for four days for food. Suddenly, they find a fisherman. The friend goes with the fisherman in order to catch the fish (if they can find any).

The fisherman returns after some time but he is alone and has some salmon that he had prepared. When asked, the fisherman tells him that his best friend fell off the boat and drowned in the water. Starving for so long, he eats the meal while crying for his friend.

After being rescued, he goes to a diner and orders salmon. When he eats his meal, he jumps and commits suicide. Why did he do it?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

How many letters are in the alphabet?

Can you quickly find which two matchstick figures are identical?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

How far can you walk into the woods?