Question
How is X related to
D? Answer the questions based on the information given below: Eight members of a family are A, B, C, D, E, X, Y and Z. All are sitting around a circular table facing the centre, but not necessarily in the same order. Y is not an immediate neighbor of E.B sits second to the left of Z’s husband. Y is the mother of C. Only one person sits between Z’s mother and E. No female is an immediate neighbor of B. D’s daughter sits second to the right of X. X is the sister of Y. X is not an immediate neighbor of Z’s husband. Only one person sits between A and X. A is the father of Y. Z’s brother D sits to the immediate left to the Z’s mother. Only one person sits between Y and Z.Solution
B sits second to the left of Z’s husband. No female is an immediate neighbor of B. D’s daughter sits second to the right of X. X is the sister of Y. X is not an immediate neighbor of Z’s husband. Only one person sits between A and X. Case-1
A is the father of Y. Z’s brother D sits to the immediate left to the Z’s mother. Only one person sits between Z’s mother and E. Only one person sits between Y and Z. Y is the mother of C. Y is not an immediate neighbor of E.
From above family tree CASE1 is cancelled out. CASE-2 is final arrangement
Blood relation tree- 
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