Discussion
(i) In a family of six persons A, B, C, D, E and F, there are two married couples.
(ii) D is grandmother of A and mother of B.
(iii) C is wife of B and mother of F.
(iv) F is the grand daughter of E.
How many male members are there in the family ?
Answer: D
Correct answer: Cannot be determined
Six people and two couples: D is B’s mother and C is B’s wife, so B and C are one couple. F is C’s daughter and E’s granddaughter, so E must be a parent of B or C - and since D is B’s mother, D and E are the other couple. A, being D’s grandchild, can only be the second child of B and C.
So the family is D and E, their son B with his wife C, and their two children A and F.
E and B are men and D, C and F women - F being described as a granddaughter. Nothing in the statements tells us whether A is a boy or a girl, so the count is either three or four and cannot be determined.
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