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Ian Stewart's Maths Challenges

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Alien Encounter

09:54, Wed 19 Nov 2008

Mathematical Logical puzzle.

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Alien Encounter Answer

09:53, Wed 19 Nov 2008

Mathematical logical puzzle.

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Langford's Cubes

09:51, Wed 19 Nov 2008

Mathematical patterns using building blocks.

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Langford's Cubes Answer

09:50, Wed 19 Nov 2008

Mathematical patterns with building blocks.

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Empty Glasses

09:46, Wed 19 Nov 2008

How do you rearrange the glasses so the full glasses alternate?

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Empty Glasses Answer

09:45, Wed 19 Nov 2008

How do you rearrange the glasses so the full glasses alternate?

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Cherry in a glass

09:40, Wed 19 Nov 2008

Can you get the cherry out of the glass?

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Cherry in a glass- Answer

09:38, Wed 19 Nov 2008

Can you get the cherry out of the glass?

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Six Pens

09:35, Wed 19 Nov 2008

Farmer Hogswill needs to pen his prize pigs.

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Six Pens - Answer

09:33, Wed 19 Nov 2008

Farmer Hogswill needs to pen in his prize pigs.

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Scrabble Oddity - Answer

09:31, Wed 19 Nov 2008

Which positive integer is equal to its letter score in Scrabble?

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Scrabble Oddity

09:26, Wed 19 Nov 2008

Which positive integer is equal to its letter score in scrabble?

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