In Blood Relations, certain information is given about the members of the family in the question, Based on that information we need to find out the relationship between a particular member of the family. Generally, the question deals with a hierarchical structure which is based on seven generation three above & three below like this:
Important Blood Relations
|Father of grandfather or grandmother||Great grandfather||Daughter of father or mother||Sister|
|Mother of grandfather or grandmother||Great grandmother||Son of second wife of father||Step brother|
|Father of father or mother||Grandfather||Daughter of second wife of father||Step sister|
|Mother of father or mother||Grandmother||Son/daughter of uncle/aunt||Cousin|
|Wife of grandfather||Grandmother||Brother of husband or wife||Brother-in-law|
|Husband of grandmother||Grandfather||Sister of husband or wife||Sister-in-law|
|Father-in-law of father/mother||Grandfather||Husband of sister/sister-in-law||Brother-in-law|
|Mother-in-law of father/mother||Grandmother||Son of father||Oneself/Brother|
|Father’s father/mother only||Father||Mother of son/daughter||Oneself/Wife|
|Only daughter-in-law of father’s father/father’s mother||Mother||Father of daughter/son||Oneself/husband|
|Husband of mother||Father||Son of son of grandmother/grandfather||Brother/Oneself |
|Wife of father||Mother||Daughter of son of grandmother/grandfather||Cousin/Oneself |
|Second wife of father||Step mother||Son of brother or sister||Nephew|
|Brother of father||Uncle||Daughter of brother/sister||Niece|
|Brother of mother||Maternal Uncle||Grandson of father/mother||Son/Nephew|
|Sister of father||Aunt||Granddaughter of father/mother||Daughter or Niece|
|Sister of mother||Maternal Aunt||Husband of daughter||Son-in-law|
|Husband of aunt||Uncle||Wife of brother/brother-in-law||Sister-in-law|
|Wife of uncle||Aunt||Wife of son||Daughter-in-law|
|Son of grandfather/grandmother||Father/Uncle||Son of son/Daughter||Grandson|
|Daughter of father-in-law/mother-in-law of father||Mother/Aunt||Daughter of son/Daughter||Granddaughter|
|Father of wife/husband||Father-in-law||Son’s/Daughter’s grandson||Great Grandson|
|Mother of wife/husband||Mother-in-law||Son’s/Daughter’s granddaughter||Great granddaughter|
|Children of same parents||Siblings|
|Father’s/Mother’s only son/daughter||Oneself|
|Son of father or mother||Brother|
Representation through diagram
- Based on Dialogue or Conversation
- Based on Puzzles
- Based on Symbolically Coded
# Conversation or Dialogue
In this type of question.the one person talking to or doing chit -chat with other person giving information throw pointing to some picture or person.
Madhu said, pointing to Shreya, " His mother is my mother's only daughter".How Madhu is related to Shreya?
a) Father b) Son c) Grandson d) Mother e) None of these
Pointing to a man in a photograph, a man said to a woman, "His mother is the only daughter of your father".How is the woman related to the man in the photograph?
# Based on Puzzles
In this type of question ,You have to conclude the relation between two given person based on more than one information given in the question.
A is the mother of B. B is the sister of C. D is the son of C. E is the brother of D. F is the mother of E. G is the granddaughter of A. H has only two children B and C.
Q1. How F related to H?
e) Cannot be determined
Q2. How is C related to E?
d) Cousin brother
e) Cannot be determined
Q3. Who is the mother of G?
d) Either B or F
e) Either C or F
Sol: Option (b)
From the above diagram it is clear that F is daughter-in-law of H.
Sol: Option (a)
From the above diagram.It is clear that C is father of E.
Sol: Option (b)
From the above diagram it is clear that B is mother of G.
In this type of question information are coded in the form of ∆#$%&*÷+ etc,..
Read the following information carefully and then answer the question given below.
a)A∆B means A is mother of B
b) A $B means A is sister of B
c) A*B means A is father of B
d) A #B means A is brother of B
Q1. Which of the following means R is uncle of T?
a) R*P#S∆Q$T b)S*P#R*U#T c) P*R#Q$S*T d)P*R$Q$S*T e) None of these
q2. Which of the following means L is paternal grandfather of O ?
a) L*R$M#K#O b)R*L∆P#K$O c) L*M∆R*K#O d) L*R#M*K#O e) None of these
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