CAT 1992 — VARC Question 34
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.
Ram and Laxman are brothers from the Island. Laxman asks you, “Is at least one of us brothers of type ‘No”? You can conclude that
Answer & solution
Ram is ‘NO’, Laxman is ‘Yes ‘.
- B
both are ‘Yes’.
- C
Ram is ‘Yes’, Laxman is ‘No’.
- D
both are ‘No’.
The answer to the question has to be ‘yes’ implying that Laxman is ‘Yes’ hence Ram has to be ‘No’