Maths Olympiad Prep

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, 2022

Combinatorics Difficulty 2.0 Junior Find the answer United Kingdom

During a particularly troublesome lesson, the following conversation occurs: Pam: "I always tell the truth." Quentin: "Pam is lying." Roger: "Both Pam and Quentin are lying." Susan: "Everyone is lying." Terry: "Everyone is telling the truth." How many people are telling the truth?

(A) 00 (B) 11 (C) 22 (D) 33 (E) 44

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