If D is the brother of B, how B is related to C? To answer this question which of the statements is/are necessary? 1. The son of D is the grandson of C. 2. B is the sister of D.
Answer: 1 and 2 both are required
Explanation
Given: D is the brother of B.
From statement 1, we can detect that D is son of C (son of D is the grandson of C).
From statement 2, we can detect that B is 'Female' (sister of D).
Therefore, B is daughter of C.
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