What does 42 represent?
Well, we all know it is 7 times 6. And some of us know that it is the ultimate answer to Life, the Universe and Everything. (See here). But what else is it?
Here is something useful for you to know: row 42 on aircraft is the emergency exit.
Now, that may not be of much help to you as the plane goes down in flames. But it is jolly useful to know when you are booking your seat, because row 42 always has extra leg-room.