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UKMT Junior Kangaroo, 2025

Combinatorics Difficulty 1.0 Junior Find the answer United Kingdom

On the left-hand side of the room, Jia and Lottie are sleeping with their heads on the pillows and facing each other. On the right-hand side of the room, Anaya and Isla are sleeping with their heads on the pillows with their backs to each other. How many of the girls are sleeping with their right ear on their pillow?

(A) $0$ (B) $1$ (C) $2$ (D) $3$ (E) $4$

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