Grouping Individuals by Their Relations

  1. A man is the father of two children, A and B. A is the daughter of C. What is the relationship between B and C?
  2. If P is the mother of Q, and Q is the brother of R, what is the relationship between P and R?
  3. A is the brother of B, and C is the sister of A. If D is the father of A, what is the relationship between D and C?
  4. A woman is the sister of the husband of B’s mother. How is B related to the woman?
  5. R is the son of S. S is the mother of T. T is the brother of R. What is the relationship between T and S?
  6. X is the father of Y. Y is the husband of Z. Z has a son W. What is X’s relationship to W?
  7. A man’s daughter is the wife of B’s son. What is the relationship between A and B?
  8. If A is the mother of B and B is the father of C, how is A related to C?
  9. M is the daughter of N. O is the brother of N. What is the relationship between M and O?
  10. L is the father of K. K’s mother is J. What is the relationship between J and L?
  11. A’s father is B. C is A’s brother. D is B’s mother. How is D related to C?
  12. G is the husband of H. F is H’s mother. What is G’s relationship to F?
  13. E is the brother of F. G is the father of E. What is G’s relationship to F?
  14. D is the uncle of E, who is the daughter of F. What is the relationship between D and F?
  15. A is the niece of B. B is the brother of C. What is the relationship between A and C?
  16. P is the father of Q, who is the son of R. What is the relationship between P and R?
  17. A’s father is B. C is A’s cousin. D is B’s brother. What is the relationship between D and C?
  18. M is the grandson of N. N is the mother of O. What is the relationship between M and O?
  19. T is the niece of U. U is the mother of V. How is T related to V?
  20. H is the mother of I. I is the wife of J. What is the relationship between H and J?
  21. F is the brother of G. H is the wife of F. What is the relationship between H and G?
  22. A is the daughter of B. C is the wife of A’s father. What is C’s relationship to A?
  23. W is the brother of X. Y is the father of W. What is the relationship between Y and X?
  24. A is the daughter-in-law of B. C is the son of A. What is the relationship between B and C?
  25. Z is the aunt of Y. Y is the daughter of X. How is Z related to X?
Answer

1. B is the son of C (since A is the daughter of C and B is A’s sibling).
2. P is R’s mother.
3. D is the father of C (since D is A’s father and C is A’s sister).
4. B is the nephew of the woman (since B’s mother is married to the woman’s brother).
5. T is the brother of R and the son of S.
6. X is the grandfather of W (X is the father of Y, Y is W’s father).
7. A and B are father-in-law and daughter-in-law.
8. A is the grandmother of C (since A is B’s mother and B is C’s father).
9. M and O are niece and uncle (since O is M’s uncle, being the brother of M’s mother).
10. J and L are husband and wife (since J is K’s mother and K is L’s child).
11. D is the grandmother of C (since D is B’s mother and B is C’s father).
12. G is the son-in-law of F (since G is married to F’s daughter, H).
13. G is the father of F (since G is E’s father and E is F’s brother).
14. D is the brother-in-law of F (since D is the brother of F’s husband).
15. A and C are uncle and niece (since B is C’s brother, and A is B’s niece).
16. P is the father of R (since P is R’s father).
17. D is the uncle of C (since D is B’s brother, and C is A’s cousin).
18. M is the son of O (since M is N’s grandson, and O is N’s daughter).
19. T is the cousin of V (since V is the sibling of T’s parent).
20. H is the mother-in-law of J (since H is I’s mother and I is married to J).
21. H is the sister-in-law of G (since H is married to F, and G is F’s brother).
22. C is the stepmother of A (since C is married to A’s father, B).
23. Y is the father of X (since Y is W’s father and W is X’s sibling).
24. B is the grandmother of C (since B is A’s mother and A is C’s father).
25. Z is the sister-in-law of X (since Z is married to X’s brother).