Blood Relation

Blood Relation

Generally, in every competitive exam you may find Blood Relation. These types of problems test your understanding potential in given time.

How to Solve Blood Relation Problems:


Chart of Relations:

  1. The Father of Father = GrandFather
  2. The Mother of Father = GrandMother
  3. The Brother of Father = Uncle
  4. The sister of father = Aunt
  5. The son and daughter of sister=Nephew/Niece
  6. Uncle's children = Cousin
  7. Mother or father's son = Brother
  8. Mother or father's daughter = Sister
  9. Mother's Brother = Maternal Uncle
  10. Mother's Sister = Aunt
  11. Mother's Mother = GrandMother
  12. Mother's Father = GrandFather
  13. Maternal Uncle's children = Cousin
  14. Son's Wife = Daughter-in-law
  15. Daughter's Husband = Son-in-law
  16. Husband's Brother = Brother-in-law
  17. Wife's Brother = Brother-in-law
  18. Husband's Sister = Sister-in-law
  19. Wife's Sister = Sister-in-law
  20. Brother's Daughter = Niece
  21. Brother's Son = Nephew
  22. Sister's Husband = Brother-in-law
  23. Brother's Wife = Sister-in-law

Questions from Blood Relation can be classified into three Groups:

1. Single Person Blood Relations:

These are Relations between two people only.
Pointing to a lady Ravi said,” She is the only daughter of the father of my sister’s brother”. How is she related to Ravi?

2. Mixed Blood Relations:

In this, mutual blood relations depending on more than two persons mentioned. These type of problems can be solved with the help of diagrams.
1. Use different levels for different generations. Two people with same generation should be at same level in the diagram.
2. Use + sign for male and - sign for female
3. You can use different types of lines to represent relation between two people.
A and B are brothers and C and D are sisters. A’s son is D’s brother. How is B related to C?

3. Coded Blood Relations:  

In this type, relationships represented by codes and symbols like + , - , / , *.
If P+Q means P is husband of Q, P/Q means P is the sister of Q, P*Q means P is the son of Q. How is D related to A in D*B+C/A?