BrainDen.com - Brain Teasers

# ThunderCloud

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1. ## Fair deal?

Assuming everyone ate the same number of rolls…
2. ## Coin hunt

Wow… I love it! This is one of the best puzzles I've ever seen, thank you for sharing it, and for clarifying the solution. ^.^
3. ## Coin hunt

I am not sure if this works for every case, or if I might be misunderstanding the scheme. For a simple counter-example…

5. ## Two boys

The subtlety is…
6. ## Two boys

Hmmm… aha! That should do it. ^^

9. ## MONEY

Hmmm, I'll go for the seemingly obvious…
10. ## Help Bob find Alice's P(x)\$%^

Well, in that case…

12. ## Take a guess

Then again...
13. ## Take a guess

This is a fun one...
14. ## Code to the safe

I'm coming up with…

Is it…

I think…
17. ## Help Bob find Alice's P(x)\$%^

Hmmm… assuming n is known to Bob, my first thoughts…

I think…
19. ## Sum up 15

Indeed, if both players play the ideal strategy for Tic-Tac-Toe, the game always results in a draw. It is nonetheless the ideal strategy.
20. ## Sum up 15

In essence...
21. ## Next card is Red

Maybe this will make it clearer:

24. ## Next card is Red

I remain convinced by my initial argument, but to expound a little:
25. ## Next card is Red

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