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In Relation puzzle type, mutual blood relations or other information of more than two persons are mentioned and information about any two is mentioned.

(I).   A, B, C, D, E and F are six members of a family.
(II).  One couple has parents and their children in the family.
(III). A is the son of C and E is the daughter of A.
(IV). D is the daughter of F who is the mother of E.

Who are the male members in the family ?

Option:
A. A and C
B. C and F
C. A, B and D
D. Cannot be determined
E. None of these
Answer: D . Cannot be determined

Justification:

E is the daughter of A and F is the mother of E. So, A is the father of E and hence the husband of F. Now, D is the daughter of F. So, D and E are the daughters of A and F.
Also, A is the son of C. Now, only B remains. Thus, B and C are the parents of A.

The sex of B and C cannot be determined.

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