Why does Canada have skill-testing questions for contests / lotteries?

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All winners who are in Canada have to answer math problems before getting any prize. Things like… 90 x 2, then divide by six, then x 12 This question was for claiming an Xbox 360 in a contest, so the answer of course is 360! But WHY?? Americans don’t have to do it, a monkey …

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Hilarious Pricing Fail Pictures

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$6.66 Be like Jesus pricing fail Buy 0 for $1.49 pricing fail Buy 8 cans for even more than two 4 can boxes pricing fail Save negative money pricing fail Was $1.50… new price $1.50 pricing fail Was $79.99… new price $79.99 pricing fail

Hysterical Pricing Fail Pictures

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Silly savings on ice cream fail Shaving cream pricing fail Deodorant pricing fail Automatic price reduction save 1 cent fail Save $1.00 compared to stadium price fail Was 2.49, now only 2.49 pricing fail

Addicting Puzzle – It’s not Sudoku, it’s STRIMKO! Very addicting…

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Strimko is a brand new logic puzzle with numbers, just like Suduko. It is based on Latin squares described by Leonhard Euler in the 18th century. The rules are simple: each row and column of an n x n grid must contain the numbers 1, 2, …, n exactly once (just like in Sudoku ), …

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How to prove it

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Proof by vigorous handwaving:     Works well in a classroom or seminar setting. Proof by forward reference:     Reference is usually to a forthcoming paper of the author, which is often not as forthcoming as at first. Proof by funding:     How could three different government agencies be wrong? Proof by example:     The author …

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