if A is brother of B.B is sister of C.C is father of D.How D is related to A?

• f D is Male, the answer is Nephew.
  If D is Female, the answer is Niece.
  
  As the sex of D is not known, hence, the relation between D and A cannot be determined.(so ans is cannot determined)
• 11 years agoHelpfull: Yes(1) No(1)
• A is uncle of D
• 11 years agoHelpfull: Yes(1) No(0)