Question 21
Itar Pejo, a very intelligent man, visits a pet shop. It has three cages, each containing one parrot: Gosha, Kesha or Sasha. One always tells the truth, one always lies, and one is clever and sometimes tells the truth and sometimes lies. Pejo asks, “What kind of parrot is Kesha?”
Gosha: “Kesha is a liar.”
Kesha: “I am the clever one.”
Sasha: “Kesha is truthful.”
Itar Pejo is very surprised by the parrots’ answers and has difficulty working out which parrot is truthful, which is a liar, and which is clever. Help him.
Gosha: “Kesha is a liar.”
Kesha: “I am the clever one.”
Sasha: “Kesha is truthful.”
Itar Pejo is very surprised by the parrots’ answers and has difficulty working out which parrot is truthful, which is a liar, and which is clever. Help him.