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BEBRAS 2021 Grade 7-8 Round 2 Ext Question 13

BEBRAS · BEBRAS 2021 Grade 7-8 Round 2 Ext

Question 13

Three carving machines take a block with a specified symbol and add other symbol blocks in the positions shown. The existing symbol is retained.

Question illustration

This example applies Machine 3 twice.

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Starting with the single-circle block below and using these machines, which pictured result can be made?

Question illustration



Question illustration
  1. Figure A
  2. Figure B
  3. Figure C
  4. Figure D