On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

In Greek mythology, the Sphinx sat outside of Thebes and asked this riddle of all travellers who passed by. If the traveller failed to solve the riddle, then the Sphinx killed him/her. And if the traveller answered the riddle correctly, then the Sphinx would destroy herself. The riddle:

What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Oedipus solved the riddle, and the Sphinx destroyed herself.

If six children and two dogs were under an umbrella, how come none of them got wet?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

The centre of the third figure is empty. What digit should fit inside?

Can you write down eight eights so that they add up to one thousand?

What can go up a chimney down, but can’t go down a chimney up?

Can you count the number of triangles in the given picture?