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36.
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Fact
1:
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Jessica
has four children
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Fact
2:
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Two
of the children have blue eyes and two of the children have brown eyes.
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Fact
3:
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Half
of the children are girls.
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If
the first three statements are facts, which of the following statements must
also be a fact?
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I:
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At
least one girl has blue eyes.
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II:
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Two
of the children are boys.
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III:
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The
boys have brown eyes.
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A.
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I only
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B.
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II only
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C.
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II and III only
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D.
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None of the statements
is a known fact.
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Answer: Option B
Explanation:
Since one-half of the four children are
girls, two must be boys. It is not clear which children have blue or brown
eyes.
