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I was walking in the island and I meet Mr.Ramesh Kumar, who could be either a liar or a truth-teller, and I wanted to know which kind of person he was. So I asked him - are you a truth-teller?
When he was answering, the volcano made a loud noise and I couldn't hear the answer. So I asked him again - Excuse me, I couldn't hear what you said, did you say you were a truth-teller?
and he answers - no, I didn't say that, I said I was a liar.
Is Mr.Ramesh Kuma a liar or a truth-teller?
Its impossible to tell whether he is a liar or truth teller.
He's a LIAR.
1- In the 1st statement he lying about himself.
i.e, i'm a truth teller(couldn't hear)
2- In the 2nd statement he is lying about the 1st statement which he asked.
i.e, no, I didn't say that, I said I was a liar.
He is a Liar because if he was truth-teller then his second statement "no, I didn't say that, I said I was a liar" should be true.which means if he is a truth teller then he can not be a liar.
Naresh - Can we know the answer?
You all are right. He is liar.