Q40
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
AnswerC.
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
Answer: Option B
Solution:
Since one-half of the four children are girls, two must be boys. It is not clear which children have blue or brown eyes.