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

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

What you cannot hold but it is yours?

What has 13 hearts but no other organs?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

Who is that with a neck and no head, two arms and no hands? What is it?

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

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?