BEBRAS 2024 Grade 9-10 Round 2 Ext Question 10

Question 10

Six houses, including Thomas’s, form a village. Every road takes the same time to traverse. Thomas drew the following diagram showing a shortest route from his house to every other house, but may have omitted some roads.

Question illustration

Which completed road diagram is IMPOSSIBLE?

Question illustration

Figure A
Figure B
Figure C
Figure D