AV. Dennis Shasha Answers
Dennis Shasha, author of The Puzzler’s Elusion explains how his finger multiplication works!
Dennis Shasha, author of The Puzzler’s Elusion explains how his finger multiplication works!
Dennis Shasha, puzzle columnist for Scientific American, asks about a curious way to multiply numbers on your fingers.
Peter Winkler answers. Another puzzle next week!
Peter Winkler, author of “Mathematical Puzzles: A Connoisseur's Collection”, asks how many coins are needed to cover a table.
Two players take turns removing coins from a line; how can the first player always be sure to have at least as much money as the second?
The solution to the balls puzzle and a quick puzzle about cards.
A fifty-fifty chance of drawing four blue balls from a bag: how many balls were blue?
Is there always a better choice?
Can A be better than B, B be better than C and C be better than A? No voting system will ever be fair!
In which we show gossip is unreliable and how you can always fleece a sucker.