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2020 Math Kangaroo

Problem 14

Problem 14 · 2020 Math Kangaroo Hard
Spatial & Visual Reasoning net-foldingcube-views
Figure for Math Kangaroo 2020 Problem 14
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Answer: A
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Hint 1 of 2
Folding the net, work out which colored faces end up opposite each other.
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Hint 2 of 2
A correct die must show three faces that meet at a corner without contradicting the net.
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Approach: fold the net and check each candidate die
  1. Folding the cross-shaped net fixes which faces are opposite and which share a corner.
  2. Only die A shows three faces that can meet at one corner consistently with the net.
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