General Studies · Puzzles
You meet three people, A, B, and C, on an island where inhabitants are either absolute liars or absolute truth-tellers. You ask A: 'How many truth-tellers are there among the three of you?' A volcano nearby makes a loud noise when A answers, so you cannot hear his reply. You then ask B: 'What did A say?' B answers: 'A said that one of us is a truth-teller and two of us are liars.' C immediately adds: 'Do not believe what B said, he is lying.' What are the classes of people B and C respectively?
- 1Both B and C are truth-tellers
- 2Both B and C are liars
- 3B is a truth-teller, C is a liar
- 4B is a liar, C is a truth-teller✓
Correct answer
B is a liar, C is a truth-teller
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