Logical Reasoning - Logical Problems - Discussion

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"I never think of the future. It comes soon enough."

- Albert Einstein

Directions to Solve

The logic problems in this set present you with three true statements: Fact 1, Fact 2, and Fact 3. Then, you are given three more statements (labeled I, II, and III), and you must determine which of these, if any, is also a fact. One or two of the statements could be true; all of the statements could be true; or none of the statements could be true. Choose your answer based solely on the information given in the first three facts.

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.

Answer: Option B

Explanation:

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.

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Logical Reasoning - Logical Problems - Discussion

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