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How many 1 inch cubes will have atleast one surface painted?

+1 vote
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A 3x3x3 inches cube is painted with yellow color on all the outer surfaces. If the cube is cut into smaller cubes of 1*1*1 inches. How many 1 inch cubes will have atleast one surface painted?

posted May 10, 2014 by anonymous

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2 Solutions

+3 votes
 
Best answer

26
3 sides -8
2-sides-12
1-sides- 6
no side -1

solution May 10, 2014 by Satish Kumar Vadlavalli
–2 votes

6 cubes have only one side paint

solution Nov 13, 2014 by anonymous
its not only one side.
question is minimum one side.



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