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BEBRAS 2017 Grade 9-10 Round 2 Ext Question 4

BEBRAS · BEBRAS 2017 Grade 9-10 Round 2 Ext

Question 4

A fictional bomb puzzle has modules, each consisting of an LED that can be on or off, two wires with colors/patterns, and a lining color. The diagram labels “Led”, “2 Wires” and “Lining” identify these components.

Question illustration

There are six modules, ordered left to right, and both wires of only one module may be cut. The even-position modules have features in common; the odd-position modules also have features in common. Select the module with those common features. Which illustrated module should be selected?

Question illustration

Question illustration
  1. Module A in the diagram
  2. Module B in the diagram
  3. Module C in the diagram
  4. Module D in the diagram