BLOOD RELATION
CSAT
BASIC FAMILY RELATION TERMS
Male Relations
• Father
• Son
• Brother
• Uncle
• Grandfather
Female Relations
• Mother
• Daughter
• Sister
• Aunt
• Grandmother
Neutral Terms
• Parent
• Child
• Sibling
• Cousin
GENERATION CONCEPT (VERY IMPORTANT)
Understanding generations helps avoid confusion.
• One generation above: Father, Mother, Uncle, Aunt
• Same generation: Brother, Sister, Cousin
• One generation below: Son, Daughter, Nephew, Niece
• Two generations above: Grandfather, Grandmother
CSAT Tip
• Always identify generation first before relationship
BLOOD RELATION SYMBOL METHOD (RECOMMENDED)
Symbols
• Male = Square (□)
• Female = Circle (○)
• Marriage = Horizontal line
• Child = Vertical line
BASIC TYPES OF BLOOD RELATION QUESTIONS
DIRECT RELATION QUESTIONS
Concept
• Straightforward relation is given
Example Logic
• “A is the father of B”
• Identify generation and gender
INDIRECT RELATION QUESTIONS
Concept
• Relation is asked indirectly
Example
• “A is B’s father’s only son”
• Requires step-by-step decoding
PUZZLE TYPE BLOOD RELATION
Concept
• Multiple statements combined
• Requires diagrammatic approach
COMMON RELATION INTERPRETATION
• Father’s son = Brother (or self)
• Mother’s brother = Maternal uncle
• Sister’s son = Nephew
• Brother’s daughter = Niece
• Father’s father = Grandfather
• Mother’s mother = Grandmother
BLOOD RELATION USING CODED STATEMENTS
Concept
• Symbols or letters used instead of relations
Example
• A + B means A is the brother of B
• A − B means A is the sister of B
BLOOD RELATION AND DIRECTION COMBINED
Concept
• Blood relation mixed with direction sense
• Requires dual tracking
PRACTICE QUESTIONS
Question 1
Pointing to a woman, a man said, “She is the only daughter of my father’s wife.” How is the woman related to the man?
Question 2
A is the brother of B. B is the mother of C. How is A related to C?
Question 3
Introducing a boy, a girl said, “He is the son of the only son of my grandfather.” How is the boy related to the girl?
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Subject: CSAT
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