Find who among Nitin, Ravi & Sana is the truth-teller, liar, and alternator?
Statements:
Nitin says: I am not the truth-teller.
Ravi says: Nitin is the liar.
Sana says: I am the truth-teller.
1
Nitin is liar, Sana is alternator and Ravi is truth-teller
2
Ravi is liar, Sana is truth-teller and Nitin is alternator
3
Sana is liar, Ravi is truth-teller and Nitin is alternator
4
Sana is truth-teller, Ravi is alternator and Nitin is liar
5
Sana is liar, Ravi is liar and Nitin is alternator