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Bebras 2019 - Level 1 Question 14

BEBRAS · Bebras 2019 - Level 1

Question 14

Five beavers are sitting in a row, as shown below.
Question illustration
Among them are two sisters who are not sitting next to each other and two brothers who are not sitting next to each other. Of reporters X, Y and Z, one is lying and two are telling the truth.
- X says: “Every female beaver is sitting next to a male beaver.”
- Y says: “Exactly one male beaver is sitting next to a female beaver.”
- Z says: “There are exactly two male beavers.”
Which statement below is correct?
  1. Y is lying, and the middle beaver is male.
  2. Y is telling the truth, and the middle beaver is male.
  3. Y is lying, and the middle beaver is female.
  4. Y is telling the truth, and the middle beaver is female.