### Brain Teasers

# By Chance

Letter-Equations
Letter Equations are well known phrases or facts where the key words have been replaced with the first letter of that word. These are often in the form of an equation, which contain a number, an = sign and the rest of the obscured phrase or fact.

37 or 38 = N on a R W

### Hint

37 for French/European, 38 for American### Answer

Numbers on a Roulette WheelOn a roulette wheel, there are 36 numbered pockets each of which is either red or black.

There is also a green pocket numbered 0 (zero).

And in American roulette, there is a second green pocket marked 00 (double zero).

Hide Hint Show Hint Hide Answer Show Answer

## What Next?

**Solve a Similar Brain Teaser...**

Or, get a random brain teaser.

If you become a registered user you can vote on this brain teaser, keep track of

which ones you have seen, and even make your own.

## Follow Braingle!