Blood Relations - Questions & Solutions for CSAT

The topic of blood relations are basically asked to test the candidates logical reasoning skills. The questions from blood relations are asked in CSAT paper. This article gives the details about basic relationships which often figure in the examinations.

Aspirants would find this article very helpful while preparing for the IAS Exam.

CSAT – Prelims

UPSC conducts the civil services exam in three stages- Prelims, Mains, and interview. The preliminary exam is the first screening stage which decides the fate of an aspirant. The Prelims consist of two papers:

  1. General Studies Paper I
  2. General Studies Paper II( CSAT)

The General Studies Paper I deal with Polity, Economy, Geography, History, and General science and currents affairs. The General Studies Paper II (CSAT) deals with the aptitude and English comprehension.

CSAT – Blood Relations

If aspirants are familiar with the given articles in the table below, half of the battle is already won. It is not obligatory to mug-up these names, but aspirants should make a clear picture in their mind as they go through each one of them. This will help them to formulate the shortcut tricks for solving Blood relations problems for logical and analytical reasoning.

To develop a blood relation graphic, some standard symbols are used according to aspirants convenience to specify the relationships among the family members.

Father Husband of Mother or Mother’s husband
Mother Wife of father or Father’s Wife
Brother Father or Mother’s Son
Sister Father or Mother’s Daughter
Uncle Father or Mother’s Brother
Aunt Father or Mother’s Sister
Grandfather Father’s or Mother’s Father
Grandfather Father of Father or Mother
Great Grandfather Father of Grandfather or Grandmother
Grandmother Mother of Father or Mother
Grandmother Father or Mother’s Mother
Great Grandmother Mother of Grandfather or Grandmother
Sister-in-law Husband’s sister or Wife’s Sister
Daughter-in-law Son’s Wife
Nephew Brother’s or Sister’s Son
Niece Brother’s or sister’s Daughter
Cousin Aunt’s or Uncle’s Son or Daughter
Brother-in-Law Sister’s Husband
Sister-in-law Brother’s Wife
Father or Uncle Grandfather’s or Grandmother’s Son
Aunt Uncle’s Wife
Son-in-Law Daughter’s Husband

Practice Question on Blood Relation

  1. Pointing towards Appu, Vinu said, “I am the only son of his father’s one of the sons.”  How Appu is related to Vinu?
    1. Nephew
    2. Uncle
    3. Either uncle or father
    4. Father

Answer: C

  1. Pointing to a girl in the photograph, Suraj said, “Her mother`s brother is the only son of my mother’s father.” How is the girl`s mother related to Suraj?
  2. Mother
  3. Sister
  4. Aunt
  5. Grandmother

Answer: C

The above details would help candidates prepare for UPSC 2020.

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