What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

Count the squares in the matchstick puzzle below?

Why are televisions attracted to people?

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

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

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

If you say my name, I will no longer exist. What am I?

What's the best place to go shopping in the ocean?

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.