There is a dressing drawer which contains the following coloured socks in pairs: Purple, Magenta, Crimson, White, Yellow and Turquoise. Now, the socks are paired and each pair is together in the matching set. There is no light in the room and you open the drawer and pick up a pair. Then, without noticing any colour, you keep them back and pick them up again.

Can you calculate the probability that the pair of socks was Yellow both times?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Can you find the missing piece of the Porsche?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

If an electric train is travelling south, then which way is the smoke going?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?

If a wheel has 54 spokes, how many spaces are there between the spokes?

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

How can you write nineteen in a manner that if we take out one, it becomes twenty?