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BEBRAS 2026 Grade 9-10 Round 2 Ext Question 12

BEBRAS · BEBRAS 2026 Grade 9-10 Round 2 Ext

Question 12

The beaver uses 3 × 2 black-and-white cards to encode letters according to this table.

Question illustration

It decodes by moving in the arrow directions and reading each card from the direction it is facing. The direction diagram and encoded message are below.

Question illustration

Question illustration

Which listed letter occurs most often in the message?
  1. L
  2. E
  3. R
  4. B