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Question:  there is 4 cube.They arrange in side by side.The black color is paint ed on the 4 cubes. 1st and 3rd cube is cube is cut by 64 pieces and 2nd 3rd by 27 pieces.Then
1)how many pieces painted only one side?
2)how many pieces painted only two side?
how many pieces painted only three side?




September 09, 2006 16:09:53 #2
 Edwin Jose Palathinkal   Member Since: Visitor    Total Comments: N/A 

RE: there is 4 cube.They arrange in side by side.The b...
 
1st cube:no of cubes painted on 1 sides = 4 cubes/face x 6 faces = 24 cubesno of cubes painted on 2 sides = 2 cubes/edge x 12 edges = 24 cubesno of cubes painted on 3 sides = 1 cube/vertex x 8 vertices = 8 cubes2nd cube:no of cubes painted on 1 sides = 1 cubes/face x 6 faces = 6 cubesno of cubes painted on 2 sides = 1 cubes/edge x 12 edges = 12 cubesno of cubes painted on 3 sides = 1 cube/vertex x 8 vertices = 8 cubes3rd cubeno of cubes painted on 1 sides = 1 cubes/face x 6 faces = 6 cubesno of cubes painted on 2 sides = 1 cubes/edge x 12 edges = 12 cubesno of cubes painted on 3 sides = 1 cube/vertex x 8 vertices = 8 cubestotal no of cubes painted on 1 sides = 24 + 6 + 6 = 36 cubestotal no of cubes painted on 2 sides = 24 + 12 + 12 = 48 cubestotal no of cubes painted on 3 sides = 8 + 8 + 8 = 24 cubes
     

 

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