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UKMT Junior Kangaroo, 2024

Combinatorics Difficulty 3.0 AMC 10/12 Find the answer United Kingdom

In how many ways can three kangaroos be placed in three different cells of the grid shown so that no two adjacent cells both contain kangaroos?

(A) $7$ (B) $8$ (C) $9$ (D) $10$ (E) $11$

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