UKMT Pink Kangaroo, 2022

Combinatorics Difficulty 1.0 Junior Find the answer United Kingdom

Some shapes are drawn on a piece of paper. The teacher folds the left-hand side of the paper over the central bold line. How many of the shapes on the left-hand side will fit exactly on top of a shape on the right-hand side?

(A) $1$ (B) $2$ (C) $3$ (D) $4$ (E) $5$

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