Blood Relations

Blood Relations - Family Relationships

Blood relation questions test your ability to understand family relationships and solve family tree problems.

Basic Relations

Direct Relations

  • Father’s Father: Grandfather (Paternal)
  • Mother’s Father: Grandfather (Maternal)
  • Father’s Mother: Grandmother (Paternal)
  • Mother’s Mother: Grandmother (Maternal)
  • Father’s Brother: Uncle
  • Mother’s Brother: Uncle
  • Father’s Sister: Aunt
  • Mother’s Sister: Aunt

Generation Relations

  • Son’s Son: Grandson
  • Daughter’s Son: Grandson
  • Son’s Daughter: Granddaughter
  • Daughter’s Daughter: Granddaughter

Sibling Relations

  • Brother’s Son: Nephew
  • Sister’s Son: Nephew
  • Brother’s Daughter: Niece
  • Sister’s Daughter: Niece

Gender-Specific Terms

Male Terms

  • Father, Son, Brother, Uncle, Nephew, Grandfather, Grandson

Female Terms

  • Mother, Daughter, Sister, Aunt, Niece, Grandmother, Granddaughter

Common Question Types

Type 1: Pointing Relations

“A’s mother is the only daughter of B’s mother. How is B related to A?”

Type 2: Symbol Relations

A + B means A is father of B A - B means A is mother of B A × B means A is brother of B A ÷ B means A is sister of B

Type 3: Family Tree

Based on given statements, construct a family tree and answer questions.

Practice Questions

Question 1

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

Question 2

If A + B means A is father of B, A - B means A is mother of B, A × B means A is brother of B, then what does P × Q - R mean?

Question 3

A is the son of B. C is the sister of B. D is the brother of A. How is D related to C?

Question 4

If X is the brother of the son of Y’s son, how is X related to Y?

Question 5

A man said to a woman, “Your brother’s father is the only son of my grandfather.” How is the woman related to the man?

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