A is B's sister. C is B's mother. D is C's father. How is A related to D?

Answer and explanation

Correct answer: D. Granddaughter

  1. Step 1: A is the sister of B, and C is the mother of B, so C is also the mother of A.
  2. Step 2: D is the father of C. Thus, D is the maternal grandfather of A.
  3. Step 3: From D's perspective, since A is female, A is the granddaughter of D.
Answer
Granddaughter.
Why not the others: Daughter describes C's relation to D rather than A's; Grandmother inverts the generational hierarchy; Niece assumes D is a sibling of C.

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