Blood Relations Reasoning Shortcut Tricks

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:

Generation	Male	Female
Three generations above↑↑↑	Great grandfather Maternal great grandfather Great grandfather-in-law	Great grandmother Maternal great grandmother Great grandmother-in-law
Two generations above ↑↑	Grandfather Maternal grandfather Grandfather-in-law	Grandmother Maternal grandmother Grandmother-in-law
One generations above ↑	Father, Uncle, Maternal uncle, Father-in-law	Mother, Aunt Maternal aunt, Mother-in-law
Current generation(Self) →	Husband, Brother Cousin, Brother-in-law	Wife, Sister Cousin, Sister-in-law
One generation below ↓	Son Nephew Son-in-law	Daughter Niece Daughter-in-law
Two generations below ↓↓	Grandson Grandson-in-law	Grand daughter Grand daughter-in-law
Three generations below ↓↓↓	Great grandson Great grandson-in-law	Great grand daughter Great grand daughter-in-law

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 /Cousin
Wife of father	Mother	Daughter of son of grandmother/grandfather	Cousin/Oneself /Sister
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

⊕ │ ⊕	Father-Son
⊕ │ ϴ	Father-Daughter
ϴ │ ⊕	Mother-Son
ϴ │ ϴ	Mother-Daughter

#Types

• 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?

a)Sister b) Mother c) Wife d) Daughter e) None of these

# 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. 

Direction:

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?

a) Son-in-law

b) Daughter-in-law

c) Father-in-law

d)Granddaughter

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

Solution

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.

# Symbols 

In this type of question information are coded in the form of ∆#$%&*÷+ etc,..

Direction:

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

Solution

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