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Question

F is C’s son. C is the only daughter of B. D is A’s only son-in-law. B is C’s father. A is B's wife. How is D related to F?

This question was previously asked in
SSC CGL 2023 (Tier-II) Paper 1 Previous Year Paper (26-Oct-2023) (Shift-1)
The correct answer is

Father

Solving Blood Relation Puzzles

This blood relation question asks us to determine the relationship between two individuals, D and F, based on a series of defined relationships within a family. To solve such blood relation puzzles, it's often helpful to build a family tree or diagram based on the given information. Let's break down the statements provided in the blood relation puzzle:

  • Statement 1: F is C’s son. This tells us that C is the parent of F, and F is male.
  • Statement 2: C is the only daughter of B. This means B is C's parent, and C is female. Since she is the 'only' daughter, B might have sons, but only one daughter.
  • Statement 3: D is A’s only son-in-law. A son-in-law is the husband of a daughter. This tells us A has a daughter, and D is her husband. He is A's only son-in-law.
  • Statement 4: B is C’s father. This confirms the relationship from Statement 2 and specifies B's gender as male.
  • Statement 5: A is B's wife. This tells us A and B are a married couple.

Building the Family Connections

Let's combine these statements to understand the family structure in this blood relation puzzle:

  1. From Statement 4 and 5, we know B is C's father and A is B's wife. This means A is C's mother. So, A and B are the parents of C.
  2. From Statement 2, C is the only daughter of B (and therefore A).
  3. From Statement 3, D is A’s only son-in-law. Since C is A's only daughter, D must be the husband of C. This establishes the relationship between C and D.
  4. From Statement 1, F is C’s son.

Let's summarize the family structure we have built from the blood relation statements:

  • A and B are a married couple.
  • A and B are the parents of C (their only daughter).
  • C is married to D.
  • C and D are the parents of F.

Determining the Relationship between D and F

The question asks: How is D related to F?

From our family structure analysis: C is F's mother (Statement 1). D is C's husband (deduced from Statements 2, 3, 4, and 5). In a family, the husband of one's mother is one's father.

Therefore, D is F's father.

Individual Relation(s) derived
A B's wife, C's mother
B C's father, A's husband
C A's & B's only daughter, D's wife, F's mother
D A's only son-in-law, C's husband, F's father
F C's son

Based on the analysis of the blood relation puzzle, D is the father of F.

Revision Table: Key Blood Relation Terms

Relation Description
Father A male parent
Mother A female parent
Son A male child
Daughter A female child
Son-in-law Husband of one's daughter
Daughter-in-law Wife of one's son
Brother-in-law Brother of spouse, or husband of sister/sister-in-law
Sister-in-law Sister of spouse, or wife of brother/brother-in-law

Additional Information on Blood Relation Puzzles

Blood relation questions are common in reasoning sections of competitive exams. They test your ability to understand complex family connections based on given statements. Here are some tips for solving blood relation puzzles effectively:

  • Draw a diagram or family tree. Use symbols for gender (e.g., '+' for male, '-' for female) and relationships (e.g., '=' for marriage, vertical line for parent-child).
  • Go step by step through each statement.
  • Combine the information from different statements logically.
  • Pay attention to words like "only," which restrict the possibilities.
  • Clearly identify the relationship between the two individuals asked in the question.
  • Practice with various types of blood relation problems to improve speed and accuracy.

Understanding these basic blood relation terms and systematically approaching the problem helps in solving such puzzles accurately.

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Similar Questions

  1. Pointing to the photograph of a girl, Raghav said, "She is my father's mother's daughter's only brother's daughter". How is Raghav's father related to that girl's mother?

  2. Arya's mother's husband is the brother of Meena's mother. Vansh is the brother of Meena and Kavita. Varun is the father of Arya. How is Varun related to Vansh?

  3. A – B means ‘A is the mother of B’;

    A × B means ‘A is the sister of B’;

    A ÷ B means ‘A is the daughter of B’.

    Which of the following expressions means ‘U is the daughter of Q?
  4. A + B means ‘A is the father of B’;

    A – B means ‘A is the sister of B’;

    A × B means ‘A is the brother of B’;

    A ÷ B means ‘A is the mother of B’;

    If, U + H × L – Q ÷ R – Y, then how is L related to Y?

  5. Introducing Rajat to a guest, Ajay said, "He is the only son of my father's daughter-in law". How is Ajay related to Rajat?

  6. Pointing to a player in a stadium, Sanjana said, "He is my paternal grandmother's only son's only son-in-law's son". How is that player's father related to Sanjana?

  7. Saksham introduced Nidhi to his friend, “She is the daughter of the only son of my father’s wife.” How is Saksham related to Nidhi?

  8. Punit said to a lady, "The sister of your father's wife is my aunt". How is the lady related to Punit?

  9. Pointing to a lady, Diwakar said, "Her mother's only grandson is my son." Lady is not married. How is that lady related to Diwakar?

  10. Introducing Rukmani, Vijay said, “She is my wife’s only brother’s son’s mother.” How is Rukmani’s husband related to Vijay?


Important Questions from General Blood Relation Problems

  1. A man said to a lady, "your mother's husband's sister is my Aunt". How is lady related to the man?

  2. Sadhana introduces Ramu as “The son of the brother of her father’s wife”. How is Ramu related to Sadhana?

  3. Preeti is Harish's only daughter. Lakhan is Birendra's only son. Lakhan's sister Neeti is married to Manas. Preeti has only one brother, Manas. How is Manas related to Birendra?

  4. Introducing Asha to guests, Bhaskar said, "her father is the only son of my father". How is Asha related to Bhaskar?

  5. A is father of B. B is sister of C. C is sister of D. D is the son of E. How many women are there?

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