If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

The more of this there is, the less you see. What is it?

Identify the hidden meaning behind this picture?

Find the smallest sentence with all the English alphabet.

What has to be broken before you can use it?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?