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BEBRAS 2026 Grade 11-12 Sample Ext Question 13

BEBRAS · BEBRAS 2026 Grade 11-12 Sample Ext

Question 13

Two beavers on opposite sides of a forest communicate with fireworks. They use only the five words shown in these code cards.

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The Vietnamese labels mean: Khúc gỗ=log, Cái cây=tree, Hòn đá=stone, Dòng sông=river, Thức ăn=food. For example, “food, log, food” is sent as follows.

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Some sequences can be interpreted in more than one way. How many interpretations does this sequence have?

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