Scott Maxwell
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Technical Curiosity | Scottish Business | Passion for Edinburgh and Scotland
Technical Curiosity | Scottish Business | Passion for Edinburgh and Scotland

377 followers
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The Chips are Down
There are three stacks of casino chips.  The first has 21 chips, the second 99, and the third has 45. You can do two things with the stacks.  Take a stack and put it on top of another stack. Take a stack and divide it evenly into two stacks. Is there a sequ...
The Chips are Down
hardestriddle.com
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This is the solution to the puzzle The Usual Suspects which I published today.  If you haven't read it yet, don't self-spoil - go have a read of it and see how far you get.  Then come back here. So, there are two ways to answer this puzzle.  The first is wi...
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The Usual Suspects
Here's an interesting logic puzzle whose solution isn't at first obvious.  Six suspects in a bank raid, all blaming each other.  But is there a way to deduce from their lies and half truths who actually did it? The Usual Suspects have been brought in after ...
The Usual Suspects
hardestriddle.com
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This is the answer to the puzzle The Professor's Balls .  If you haven't read it yet, here's the link . Here’s how to work out whether you should take the professor’s bet. Let (R,G,Y) be current state of the balls' colours expressed as a vector, where R = t...
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The answer is: Well, the algebra is perfectly well formed.  So if you were looking for a mistaken or slight of hand, there isn't one.  That's what the clue was about - its not a trick. So if it isn't a trick, what gives. Given:    a=b We can substitute b th...
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Algebra Witchcraft
Little whimsical Algebra Riddle for Christmas.   Question:  Is there a mistake in the algebra?  If yes, where?  If not, WTF? Before you click, I'll say one thing.  It's not a trick. Here's the answer
Algebra Witchcraft
hardestriddle.com
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Three colours of ball, R, G, B. Any pair-wise collision changes two different colours to the same (third) colour. You start with 13 red, 15 green and 17 blue balls.

Does a sequence of collisions exist such that all of the balls end up being the same colour?