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UKMT Grey Kangaroo, 2023

Combinatorics Difficulty 1.0 Junior Find the answer United Kingdom

Kristina has a piece of transparent paper with some lines marked on it. She folds it along the central dashed line, as indicated. What can she now see?

(A) 2:6:92{:}6{:}9 (B) 2:6:62{:}6{:}6 (C) 5:6:95{:}6{:}9 (D) 2:8:62{:}8{:}6 (E) 5:8:95{:}8{:}9

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