Answers 311- THE AUSTRIAN PRETZEL
The pretzel may be divided into as
many as ten pieces by one straight
cut of the knife in the direction indi-
cated in the illustration. ~
. ..
6- CUTTING THE CHEESE
Mark the mid-points in BC, CH, HE, EF, FG, and GB. Then insert the
knife at the top and follow the direction indicated by the dotted plane. ThenrW
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.... G. ••.•
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1 2.the two surfaces will each be a perfect hexagon, and the piece on the right will,
in perspective, resemble Figure 2.- THE FLY'S JOURNEY
A clever fly would select the route
shown by the line in the illustration,
which will take him 2.236 minutes. He
will not go in the direction indicated
by the dotted line that will probably
have suggested itself to the reader.
This is longer, and would take more
time.
- THE TANK PUZZLE
(I) The water rises 1.8 inches, and (2) rises an additional 2.2 inches.