Peterchen's pretzel

Puzzle

Here is a simple little marking problem for the juveniles who have found the other problems somewhat difficult. Little Peterchen had a Vienna twisted pretzel, as shown in the drawing, and asks his young friends to guess into how many pieces he divided it with one straight cut with a knife Supposing it to be a real pretzel, draw a straight line which would divide it into the greatest possible number of pieces.

Answer

The Pretzel can be divided into ten pieces as shown:

References

• Loyd, Sam [1914]. in Loyd, Sam, Jr.: Sam Loyd's Cyclopedia of 5000 Puzzles Tricks and Conundrums (in English). New York: Lamb Publishing company, page 37.