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BEBRAS 2021 Grade 5-6 Round 2 Ext Question 12

BEBRAS · BEBRAS 2021 Grade 5-6 Round 2 Ext

Question 12

Beavers encode the letters I,T,O,C,L using 3×3 number grids. First, the letters are drawn on 3×3 square grids as shown, in that order.

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To encode one letter, examine each cell and write the number of the other four letters whose cell at the same position has the same color. For example, I is encoded as follows.

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Which letter produces this number grid?

Question illustration
  1. T
  2. O
  3. C
  4. L