Question
If Pi is the brother of Qi, Bi is the brother of Qi and
Pi is the brother of Ei, then which of the following statements is definitely true?Solution
While the question clearly states that Pi, Qi, Bi, and Ei are siblings, we do not know the sex of E and Q. Thus, B is the brother of E is the only statements that holds true. Â Hence, correct answer is (D).
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