PPT: Blood Relations | CSAT Preparation - UPSC PDF Download

 Page 1


Blood Relations
Page 2


Blood Relations
Introduction
What are Blood Relations?
Connections between family members based 
on birth or marriage. It tests the ability to 
logically analyze relationships such as father, 
mother, brother, sister, son, daughter, and in-
laws.
Why Important?
Assess thinking skills, puzzle-solving, pattern 
recognition. Key in Logical Reasoning section.
Page 3


Blood Relations
Introduction
What are Blood Relations?
Connections between family members based 
on birth or marriage. It tests the ability to 
logically analyze relationships such as father, 
mother, brother, sister, son, daughter, and in-
laws.
Why Important?
Assess thinking skills, puzzle-solving, pattern 
recognition. Key in Logical Reasoning section.
Prerequisites 3 Family Relations
Paternal Side
Father's father ³ Grandfather
Father's mother ³ Grandmother
Father's brother ³ Uncle
Father's sister ³ Aunt
Uncle's children ³ Cousin
Uncle's wife ³ Aunt
Maternal Side
Mother's father ³ Maternal Grandfather
Mother's mother ³ Maternal Grandmother
Mother's brother ³ Maternal Uncle
Mother's sister ³ Aunt
Maternal uncle's children ³ Cousin
Maternal uncle's wife ³ Maternal Aunty
Page 4


Blood Relations
Introduction
What are Blood Relations?
Connections between family members based 
on birth or marriage. It tests the ability to 
logically analyze relationships such as father, 
mother, brother, sister, son, daughter, and in-
laws.
Why Important?
Assess thinking skills, puzzle-solving, pattern 
recognition. Key in Logical Reasoning section.
Prerequisites 3 Family Relations
Paternal Side
Father's father ³ Grandfather
Father's mother ³ Grandmother
Father's brother ³ Uncle
Father's sister ³ Aunt
Uncle's children ³ Cousin
Uncle's wife ³ Aunt
Maternal Side
Mother's father ³ Maternal Grandfather
Mother's mother ³ Maternal Grandmother
Mother's brother ³ Maternal Uncle
Mother's sister ³ Aunt
Maternal uncle's children ³ Cousin
Maternal uncle's wife ³ Maternal Aunty
Key Deductions (Formulas)
Brother Chain
A is brother of B, B is brother of C ³ A is brother of C.
Generation Skip
A is son of B, B is son of C ³ A is grandson of C.
Marriage Link
A is husband of B, B is sister of C ³ A is brother-in-law of C.
Page 5


Blood Relations
Introduction
What are Blood Relations?
Connections between family members based 
on birth or marriage. It tests the ability to 
logically analyze relationships such as father, 
mother, brother, sister, son, daughter, and in-
laws.
Why Important?
Assess thinking skills, puzzle-solving, pattern 
recognition. Key in Logical Reasoning section.
Prerequisites 3 Family Relations
Paternal Side
Father's father ³ Grandfather
Father's mother ³ Grandmother
Father's brother ³ Uncle
Father's sister ³ Aunt
Uncle's children ³ Cousin
Uncle's wife ³ Aunt
Maternal Side
Mother's father ³ Maternal Grandfather
Mother's mother ³ Maternal Grandmother
Mother's brother ³ Maternal Uncle
Mother's sister ³ Aunt
Maternal uncle's children ³ Cousin
Maternal uncle's wife ³ Maternal Aunty
Key Deductions (Formulas)
Brother Chain
A is brother of B, B is brother of C ³ A is brother of C.
Generation Skip
A is son of B, B is son of C ³ A is grandson of C.
Marriage Link
A is husband of B, B is sister of C ³ A is brother-in-law of C.
Types of Questions
1
Statement-Based
These questions present relationships through direct or indirect statements. The goal is to 
deduce the relationship between two specific individuals by tracing a chain of relationships.
2
Puzzle-Based
This type provides a set of mixed relationships involving several family members. It often 
requires constructing a mental or drawn family tree to accurately map out intricate 
connections and find the answer.
3
Symbol-Based (Coded)
These questions use specific symbols or codes to represent various blood relationships (e.g., 
A+B means A is brother of B). You must interpret the symbols and apply this understanding to a 
given sequence to determine relationships.
Go a l: Find relationship between two individuals.