The Indisputable Santa Mathematical Advent Calendar
Day 7

Happy 7th of December!

Throughout the month, to accompany the release of our book on the Mathematics of ChristmasHannah Fry & I are tweeting out Christmathsy bits and pieces, one a day, advent calendar style. Assuming we don’t run out of ideas, that is…

Another mini-puzzle today:

day_9

Answers via the comments or on Twitter. All correct answers will be rewarded with deep respect and warm Christmas wishes.

Enjoy!

CLICK HERE TO SEE THE WHOLE CALENDAR SO FAR


SOLUTION TO YESTERDAY’S PUZZLE

Click here for the puzzle.

Scroll down for the solution…

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Solution:

santacrackers_soln

Congratulations to Olaf Doschke (who created that solution image), Troy R, Alberto FranceschiniKyle Good and Jonathan, who all submitted correct answers (or who all made it clear that they’d worked it out, at any rate!). Special Christmas wishes to you all.

Also, a special mention for Jason Elliot, who wins the thinking-outside-the-box award for this suggestion:

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