CombinatoricsDifficulty 2.0JuniorFind the answerUnited Kingdom
Three inhabitants of the planet Zog met in a crater and counted each other's ears. Imi said, "I can see exactly 8 ears"; Dimi said, "I can see exactly 7 ears"; Timi said, "I can see exactly 5 ears". None of them could see their own ears. How many ears does Timi have?
(A) 2 (B) 4 (C) 5 (D) 6 (E) 7
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