Kya- Kya Island

(CAT 1993)

“Kya – Kya” is an island in the South Pacific. The inhabitants of “Kya – Kya” always answer any question with two sentences, one of which is always true and the other always false.

1. You find that your boat is stolen. You question three inhabitants of the island and they reply as
follows:
John says, “I didn’t do it. Mathew didn’t do it.”
Mathew says. “I didn’t do it. Krishna didn’t do it.”
Krishna says. “I didn’t do it. I don’t know who did it.”
Who stole your boat?
(a) John 
(b) Mathew 
(c) Krishna 
(d) None of them

2. There is only one pilot on the island. You interview three men, Koik, Lony and Mirna. You also notice that Koik is wearing a cap.
Mirna says, “Lony’s father is the pilot. Lony is not the priest’s son.”
Koik says, “I am the priest. On this island, only priests can wear caps.”
Lony says, “I am the priest’s son. Koik is not the priest.”
Which of the following is true?
(a) Lony is not Koik’s son. 
(b) Koik is the pilot.
(c) Mirna is the pilot. 
(d) Lony is the priest.

3. You are walking on the road and come to a fork. You ask the inhabitants Ram, Laxman and Lila.
”Which road will take me to the village?”
Ram says, “I never speak to strangers. I am new to these parts.”
Laxman says, “I am married to Lila. Take the left road.”
Lila says, “I am married to Ram. He is not new to this place.”
Which of the following is true?
(a) Left road takes you to the village. 
(b) Right road takes you to the village.
(c) Lila is married to Laxman. 
(d) None of these.

4. You want to speak to the chief of the village. You question three inhabitants. Amar, Bobby and Charles. Only Bobby is wearing a red shirt.
Amar says. “I am not Bobby’s son. The chief wears a red shirt.”
Bobby says, “I am Amar’s father. Charles is the chief.”
Charles says, “The chief is one among us. I am the chief.”
Who is the chief?
(a) Amar 
(b) Bobby 
(c) Charles 
(d) None of them

For Answers Click Here.

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