What is Blood Relation ?
Blood relation is defined as a relation with any person by birth, like our relation with brother, sister, cousin etc. Blood relation shows the different relations among the members of a family. Here, we need to analyse the information showing the blood relation among various members of a family. a chain of information related to various relationships is given, on the basis of the given information, the relation between any two members is to be determined.
Some Common Relations
|Father’s Son or Mother’s Son||Brother|
|Father’s Daughter or Mother’s Daughter||Sister|
|Mother’s Brother (younger or elder)||Maternal Uncle|
|Father’s Brother (younger or elder)||Uncle (Paternal)|
|Father’s Sister (younger or elder)||Aunt|
|Mother’s Sister (younger or elder)||Aunt|
|Husband’s Brother or Wife’s Brother||Brother-in-law|
|Husband’s Sister or Wife’s Sister||Sister-in-law|
|Husband’s Father or Wife’s Father||Father-in-law|
|Husband’s Mother or Wife’s Mother||Mother-in-law|
|Brother’s Son or Sister’s Son||Nephew|
|Brother’s Daughter or Sister’s Daughter||Niece|
|Uncle’s or Aunt’s Son / Daughter||Cousin|
|Father’s Father or Mother’s Father||Grandfather|
|Father’s Mother or Mother’s Mother||Grandmother|
|Father of Grandfather or Father of Grandmother||Great grandfather|
|Mother of Grandfather or Mother of Grandmother||Great grandmother|
|—||Same generation ( Horizontal )|
||||Generation gap ( Vertical )|
|⊕ ↔ ⊖ or|
⊕ x ⊖
|⊕ – ⊕||Brothers|
|⊖ – ⊖||Sisters|
|⊕ – ⊖||Brother-Sister|
Types Of Blood Relations
I. Direct Relations
|Your’s Father’s or Mother’s Son||Brother|
|Yours’s Father’s or Mother’s Daughter||Sister|
|Yours’s Father’s or Mother’s Father||Grand-Father|
|Yours’s Father’s or Mother’s Mother||Grand-Mother|
|Yours’s Father’s or Mother’s Sister||Aunt|
|Yours’s Father’s or Mother’s Brother||Uncle|
|Yours’s Uncle’s or Aunt’s Son/Daughter||Cousin Brother/Sister|
|Yours’s Brother’s or Sister’s Son||Nephew|
|Yours’s Brother’s or Sister’s Daughter||Neice|
II. In-direct Relations
|Yours’s Husband’s or Wife’s Father||Father-in-Law|
|Yours’s Husband’s or Wife’s Mother||Mother-in-Law|
|Yours’s Husband’s or Wife’s Sister||Sister-in-Law|
|Yours’s Husband’s or Wife’s Brother||Brother-in-Law|
|Yours’s Brother’s Wife||Sister-in-Law|
|Yours’s Sister’s Husband||Brother-in-Law|
|Yours’s Son’s Wife||Daughter-in-Law|
|Yours’s Daughter’s Husband||Son-in-Law|
Simple Representation of Blood Relations Through Symbols
|‘A‘ is the Brother of ‘B‘ →||A+—– B+/-|
|‘A‘ is the Husband of ‘B‘ →||A+↔ B– or A+ x B–|
|‘A‘ is the Father of ‘B‘ →||A+|
|‘A‘ is the Uncle of ‘B‘ →||(+/-) —– A+|
|‘A‘ is the Cousin of ‘B‘ →||(+/-) —– (+/-)|
|‘A‘ is the Father-in-Law of ‘B‘ →||A+|
(+/-) ↔ B+/-
|‘A‘ is the Son-in-Law of ‘B‘ →||B+/-|
(+/-) ↔ A+
|‘A‘ is the Daughter-in-Law of ‘B‘ →||B+/-|
(+/-) ↔ A –
|A‘ is the Brother-in-Law of ‘B‘ →||A+↔ B– —C+/-|
|A‘ is the Sister-in-Law of ‘B‘ →||A –↔ B– —C+/-|
A –—C+/-↔ B+/-
Questions Based On Blood Relations
Type 1 : Statement Type
Q1. Pointing towards a boy, a girl says, “He is the only son of my mother’s brother”. How is the girl related to the boy?
|A) Grandmother||B) Mother|
|C) Cousin||D) Aunt|
Ans. C) Cousin , Because your Uncle’s Son is your Cousin
Q2. Introducing a man, a woman said, ‘He is the only son of my mother’s mother.” How is the woman related to the man ?
|A) Mother||B) Aunt|
|C) Sister||D) Niece|
Ans. D) Neice Because, My mother’s mother — My grandmother: My grandmother’s only son — My maternal uncle. So, the woman is man’s niece.
Q3. A man said to a lady, “Your mother’s husband’s sister is my aunt!! How is the lady related to the man ?
|A) Daughter||B) Grand daughter|
|C) Mother||D) Sister|
Ans. D) Sister, Because, Your mother’s husband — Your father; Your father’s sister — Your aunt. So, the lady’s aunt is man’s aunt and therefore the lady is man’s sister.
Q4. Pointing Towards a man a woman said, “His wife is, the only daughter of my father.” How is the Man related to the woman ?
|A) Sister-in-law||B) Wife|
|C) Sister||D) Niece|
Ans. B) Wife Because, Woman’s father’s Only Daughter is the Woman herself. And she is the wife of the Man. So the Man is her Husband.
Type 2 : Puzzle Type Blood Relations
Q1. There are six persons A. B, C, D, E and F. C is the sister of F. B is the brother of E’s husband. D is the father of A and grandfather of F. There are two fathers, three brothers and a mother in the group. Who is the mother ?
|A) A||B) B|
|C) C||D) E|
Ans. D) E Because, D is father of A and grandfather of F. So, A is father of F. Thus. D and A are the two fathers. C is the sister of F So. C is the daughter of A. Since there is only one mother, it is evident that E is the wife of A and hence the mother of C and F. So, B is brother of A There are three brothers. So. F is the brother of C. Clearly, A is E’s Husband.
Q2. A, B, C, D, E, F and G are members of a family consisting of four adults and three children, two of whom, F and G are girls. A and D are brothers and A is a doctor. E is an engineer married to one of the brothers and has two children. if is married to D and G is their child. Who is C ?
|A) A’s son||B) E’s daughter|
|C) F’s father||D) G’s brother|
Ans. A) A’s Son Because, E is married to A or D. But B is married to D. Thus, E is married to A. Thus, A, B, C, D, E are the four adults and C, F, G are the three children in the family. B and D have a child G. A and E have two children. They are C and F Now. only F and G are girls. So, C is a boy. Thus, C is A’s or E’s son.