Blood Relations Basics

Questions test your ability to find relationships in a family.

Important Relationships

Direct Relations:

• Father, Mother, Son, Daughter
• Brother, Sister
• Husband, Wife

Extended Relations:

• Grandfather, Grandmother
• Uncle (Father’s/Mother’s brother)
• Aunt (Father’s/Mother’s sister)
• Nephew, Niece
• Cousin

Key Terms

• Maternal: Mother’s side
• Paternal: Father’s side
• Sibling: Brother or Sister
• Spouse: Husband or Wife

Solved Examples

Example 1: Basic Relation

Question: Pointing to a man, a woman said, “His mother is the only daughter of my mother.” How is the woman related to the man?

Solution:

“Only daughter of my mother” = The woman herself “His mother” = The woman Therefore, The woman is the man’s mother

Answer: Mother

Example 2: Complex Relation

Question: A is B’s brother. B is C’s mother. D is C’s father. How is A related to D?

Solution:

Draw family tree: D (father) = B (mother) | C

A (brother of B)

A is B’s brother B is D’s wife Therefore, A is D’s brother-in-law

Answer: Brother-in-law

Important Tricks

Trick 1: Gender Identification

• Brother, Father, Son, Uncle, Nephew → Male
• Sister, Mother, Daughter, Aunt, Niece → Female

Trick 2: Symbols Method

Use symbols to solve complex problems:

• Male: △ or ♂
• Female: ○ or ♀
• Marriage: =
• Parent-Child: |

Trick 3: Common Phrases

• “Only son/daughter” = No other child
• “Only child” = No siblings
• “Elder/Younger” = Age comparison

Additional Resources

• Direction Sense Practice →
• Puzzles and Seating Arrangement →

📖 Next Steps

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