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BEBRAS 2023 Grade 9-10 Round 2 Ext Question 3

BEBRAS · BEBRAS 2023 Grade 9-10 Round 2 Ext

Question 3

Bill puts treasure in a maze and sends George the following instruction.

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The source says that George must take 6 steps left, 4 steps right, 1 step left and 2 steps right, and illustrates the following path.

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Which instruction can lead to the treasure along this target path?

Question illustration



Question illustration

Editorial interpretation: compare the lengths of successive horizontal and vertical runs in the drawings; the source’s direction wording is discussed in the solution.
  1. Figure A
  2. Figure B
  3. Figure C
  4. Figure D