Q46
Fact 1: Mary said, "Ann and I both have cats." Fact 2: Ann said, "I don't have a cat." Fact 3: Mary always tells the truth, but Ann sometimes lies. If the first three statements are facts, which of the following statements must also be a fact? I: Ann has a cat. II: Mary has a cat. III: Ann is lying.
A.
I only
B.
II only
C.
I and II only
D.
All the statements are facts.
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
If Mary always tells the truth, then both Ann and Mary have cats (statements I and II), and Ann is lying (statement III). So all the statements are facts.