The Youngest Triplet The Barr triplets have an annoying
Chapter 3, Problem 3.1.237(choose chapter or problem)
The Youngest Triplet The Barr triplets have an annoying habit: Whenever a question is asked of the three of them, two tell the truth and the third lies. When I asked them which of them was born last, they replied as follows. Mary: Katie was born last. Katie: I am the youngest. Annie: Mary is the youngest. Which of the Barr triplets was born last?
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