Friday

January 30, 2015

January 30, 2015

Posted by **John** on Monday, March 4, 2013 at 12:27am.

- Geometry -
**Sai Nikhil Thirandas**, Monday, March 4, 2013 at 1:15amThere will be 12*(12 - 2) = 120 cubes with exactly 2 faces painted blue.

ie 120/1728 = 5/72

ie a + b = 5 + 72 =77

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