CAT 1992 — VARC Question 33
Kya –Kya is an obscure island which is inhabited by two types of people: the ‘Yes’ type and the ‘No’ type. Native of type ‘Yes’ ask only questions the right answer to which is ‘Yes’ while those of type ‘No’ ask only questions the right answer to which is ‘No’. For example. The ‘Yes’ type will ask questions like “Is 2 plus 2 equal to 4?” while the ‘No’ type will ask questions like “Is 2 plus 2 equal to five?” The following questions are based on your visit to the island of Kya – Kya.
If an islander asks, “Do I belong to the ‘No’ type”, which of the following is correct?
Answer & solution
- A
He is a ‘No’.
- B
He is a ‘Yes’.
It is impossible for him to have asked such a question.
- D
His type cannot be identified.
The answer to this question can be neither ‘No’ nor ‘Yes’ as both would contradict the given conditions.