Fact 1 Jessica has four children Fact 2 Two of the...

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Fact 1: Jessica has four children
Fact 2: Two of the children have blue eyes and two of the children have brown eyes.
Fact 3: Half of the children are girls.

If the first three statements are facts, which of the following statements must also be a fact?
I: At least one girl has blue eyes.
II: Two of the children are boys.
III: The boys have brown eyes.

A. I only

B. II only

C. II and III only

D. None of the statements is a known fact.

E. None of the statements is a known fact.

Answer: Option B

Solution (By Examveda Team)

Since one-half of the four children are girls, two must be boys. It is not clear which children have blue or brown eyes.

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Comments (1)

Mohit Dadarwal:

4 years ago

Even if all four are girls then also one half of the children are girls

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