In a family, there are six members A, B, C, D, E and F. A and B are a married couple, A being the male member. D is the only son of C, who is the brother of A. E is the sister of D. B is the daughter-in-law of F, whose huasband has died.
How many male members are there in the family ?
A is a male. B, the wife , is female. C, the brother, is male. D, the son, is male. E, the sister, is female. F, the mother, is a female. So ,there are three males.