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Cube Decomposition (Posted on 2018-04-02) Difficulty: 1 of 5
A point is picked inside a cube so that it is decomposed into 6 pyramids, the bases being the faces of the cube. The volumes of five of those pyramids are 2, 5, 10, 11, and 14.

What is the volume of the sixth pyramid?

No Solution Yet Submitted by Danish Ahmed Khan    
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Solution re: off the top ---------------2nd the motion | Comment 2 of 5 |
(In reply to off the top of my head (spoiler) by Steve Herman)

same reasoning:  2--->14;   5--->11;    10 ---->6
  Posted by Ady TZIDON on 2018-04-02 08:54:35

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