question_answer

Examine the following relationships among members of a family of six persons - A, B, C, D, E and F.

1. The number of males equals that of females.

2. A and E are sons of F.

3. D is the mother of two, one boy and one girl.

4. B is the son of A.

5. At present there is one married couple in the family.

Which one of the following inferences can be drawn from the above?

A)  A, B and C are all females.

B)  A is the husband of D.

C)  D is the grand-daughter of F.

D)  E and F are children of D.

E)  None of these