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BEBRAS 2024 Grade 5-6 Round 2 Ext Question 10

BEBRAS · BEBRAS 2024 Grade 5-6 Round 2 Ext

Question 10

There are four animal species in the forest: owl, rabbit, pig and ferret. They occupy the twelve circular houses shown.

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The species living at X,Y,Z are unknown. Two houses are adjacent if a path directly connects them, and adjacent houses cannot contain the same species. Every species occupies the same number of houses. Which assignment satisfies these rules?

Original species legend: Owl

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Rabbit

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Pig

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Ferret

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  1. X-pig; Y-owl; Z-ferret
  2. X-ferret; Y-owl; Z-pig
  3. X-owl; Y-ferret; Z-pig
  4. X-owl; Y-pig; Z-ferret