Last week I painted a one-foot cube block of wood using red paint. Yesterday, I decided to cut this cube into smaller blocks, each 3 inches wide. How many of these smaller cubes had red paint on:
a) 4 of the sides?
b) 3 of the sides?
c) 2 of the sides?
d) 1 of the sides?
e) 0 of the sides?
February 19th, 2011 | Category: 
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3 of the sides had red paint
There are actually five answers required: A through E.
Keep guessing!
a: 0
b: 4
c: 16
d: 20
e: 4
Regarding Derek’s answer:
A – CORRECT
B – INCORRECT
C – INCORRECT
D – INCORRECT
E – INCORRECT
Keep guessing!
b: 8
c: 22
d: 16
e: 8
So far, we have:
A CORRECT – 0 – The most sides painted can be three.
B CORRECT – 8 – These are the eight corners.
C INCORRECT
D INCORRECT
E CORRECT – 8 – These are the insides of the cube.
3 sides = 24
2 sides = 24
Here are the correct answers
From a total of 64 blocks:
a) 0 the most sides painted can be 3.
b) 8 these are the 8 corners.
c) 24 these must be along the edges and not in the corners.
d) 24 these are the 4 middles on each of the 6 faces.
e) 8 these are the insides of the cube.
Great guesses everybody!