(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.
What relationship do D and E bear to each other ?
Option:
A. Sister and Brother
B. Mother and Son
C. Grandmother and Grand daughter
D. Sister
E. None of these
Answer: D . Sister
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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.
Clearly, D and E are sisters.
