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Puzzle 139. DRAWING PICTURES
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Alice, Bill, Cathy, Donald and Eve were in a
room drawing pictures. There were 15 marker pens of different colors
in the room. There were three red pens, three blue pens, three yellow
pens, three green pens, and three orange pens. Each of these kids
grabbed three pens of different colors. Alice did not grab the yellow
pen. Bill did not grab the blue pen. Cathy did not grab the
orange pen. Donald did not grab the green pen. Eve did not grab
the red pen. Three of them grabbed both the red and the green
pen. Eve has all the color pens that Donald has. All the boys
have an orange pen. What were the color marker pens each kid grabbed?
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Bits and Beyond ...
PLATONIC SOLIDS
Platonic solids are regular geometric
solids with regular plane faces. There are only five platonic solids.
These are the
cube, tetrahedron, octahedron, icosahedrons, and dodecahedron. The
cube has six faces, each of which is a square.
The tetrahedron has four equilateral triangular faces. The
octahedron has eight equilateral triangular faces. The icosahedron
has twenty equilateral triangular faces. Lastly, the dodecahedron has twelve
equilateral pentagonal faces.
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