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Question

Pointing towards a woman, Reena said, “She is the only daughter of my father-in-law.” How is the woman related to Reena?

This question was previously asked in
SSC CGL 2020 (Tier-2) Statistics Previous Year Paper 3 (28-Jan-2022)
The correct answer is

Sister-in-law

Solving Blood Relation Puzzles

This question is a classic example of a blood relation puzzle. We need to carefully trace the relationship described by Reena to determine how the woman she is pointing to is related to her.

Understanding Reena's Statement

Reena says, “She is the only daughter of my father-in-law.”

  • “She” refers to the woman Reena is pointing towards.
  • “my father-in-law” refers to Reena's father-in-law.
  • The statement describes the woman as “the only daughter of my father-in-law.”

Step-by-Step Relationship Analysis

Let's break down the relationship from Reena's perspective:

  1. Reena's father-in-law: This is the father of Reena's husband.
  2. The only daughter of Reena's father-in-law: Reena's father-in-law has only one daughter among his children. This daughter could be his son's wife (Reena) or his son's sister.
  3. Identifying the “She”: The problem states Reena is "Pointing towards a woman". This implies the woman is distinct from Reena herself unless the context strongly suggests otherwise (which it doesn't here). Therefore, "the only daughter of my father-in-law" refers to a person other than Reena.
  4. Conclusion: If Reena's father-in-law has only one daughter and that daughter is not Reena, then that daughter must be his son's sister. Since Reena's husband is his son, the woman must be Reena's husband's sister.

Determining the Final Relation to Reena

The woman is Reena's husband's sister.

A husband's sister is known as a sister-in-law.

Person Relation to Reena
Reena's husband Husband
Reena's father-in-law Husband's father
The only daughter of Reena's father-in-law Husband's sister (since she's not Reena)
The woman (She) Same as the only daughter of father-in-law
The woman Sister-in-law

Conclusion on the Relation

Based on the step-by-step analysis of Reena's statement, the woman being pointed to is the sister of Reena's husband. Therefore, the woman is Reena's sister-in-law.

Revision Table: Key Relationships

Term Definition/Relation
Father-in-law Father of one's spouse.
Mother-in-law Mother of one's spouse.
Sister-in-law Sister of one's spouse, or the wife of one's sibling.
Brother-in-law Brother of one's spouse, or the husband of one's sibling.

Additional Information on Blood Relations

Blood relation questions test your ability to understand and trace family connections. These problems often involve indirect relationships that require careful deduction. Here are some tips for solving blood relation puzzles:

  • Draw a diagram or a family tree. This can help visualize the relationships.
  • Break down the statement into smaller parts.
  • Identify the starting person (in this case, Reena) and trace the relationships step-by-step.
  • Pay close attention to words like “only”, “my”, “his”, “her”.
  • Work backward from the end of the statement if helpful.
  • Consider all possibilities, but eliminate those that contradict the information given (like the woman being Reena herself when the setup implies pointing to another person).

Practicing different types of blood relation questions can significantly improve your speed and accuracy in solving them.

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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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