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Question

Pointing towards a boy, Shalini said, “He is my daughter’s father’s wife’s father’s wife’s only son”. How is Shalini related to the boy?

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

Sister

Solving Blood Relation Puzzles

This question is a classic example of a blood relation puzzle. To solve it, we need to break down the given statement step-by-step to understand the relationship between Shalini and the boy.

Step-by-Step Analysis of the Relationship

Shalini says, “He is my daughter’s father’s wife’s father’s wife’s only son”. Let's analyze this phrase from Shalini's perspective:

  • My daughter’s father: If Shalini has a daughter, her daughter's father must be Shalini's husband.
  • My daughter’s father’s wife: This refers to the wife of Shalini's husband. Since Shalini is married to her husband, this person is Shalini herself.
  • My daughter’s father’s wife’s father: This refers to the father of Shalini (from the previous step). So, this person is Shalini's father.
  • My daughter’s father’s wife’s father’s wife: This refers to the wife of Shalini's father. This person is Shalini's mother.
  • My daughter’s father’s wife’s father’s wife’s only son: This refers to the only son of Shalini's mother. Shalini and her mother's only son share the same parents (Shalini's mother and father). Therefore, her mother's only son is Shalini's brother.

Determining the Relationship

Based on the analysis, the boy is Shalini's mother's only son, which means the boy is Shalini's brother. The question asks how Shalini is related to the boy.

Since the boy is Shalini's brother, Shalini is the boy's sister.

Conclusion

The relationship chain leads to the conclusion that the boy is Shalini's brother. Therefore, Shalini is related to the boy as his sister.

Let's look at the options provided:

  • Sister-in-law: This is the wife of one's sibling or the sister of one's spouse. This does not fit the relationship.
  • Daughter: Shalini is an adult pointing towards a boy; she cannot be his daughter in this context.
  • Daughter-in-law: This is the wife of one's son. This does not fit the relationship.
  • Sister: This is a female sibling. This matches our conclusion.

The correct relationship is Sister.

Relationship Breakdown
Phrase Interpretation (from Shalini's perspective)
My daughter’s father Shalini's Husband
...’s wife Shalini (Shalini's Husband's wife)
...’s father Shalini's Father (Shalini's father)
...’s wife Shalini's Mother (Shalini's Father's wife)
...’s only son Shalini's Brother (Shalini's Mother's only son)

Revision Table: Key Relationship Terms

Common Blood Relation Terms
Term Definition
Sibling Brother or sister
Cousin Child of one's uncle or aunt
Niece Daughter of one's sibling or sibling-in-law
Nephew Son of one's sibling or sibling-in-law
Aunt Sister of one's parent or wife of one's uncle
Uncle Brother of one's parent or husband of one's aunt

Additional Information on Blood Relation Puzzles

Blood relation questions test your ability to understand and decipher complex relationship chains. They are common in various competitive exams.

Tips for solving blood relation questions:

  • Break down the statement into smaller, manageable steps.
  • Start from the speaker's relationship to the first mentioned person (usually "my").
  • Work through the chain systematically, identifying the person at each step.
  • Draw a family tree or diagram if the relationships are complex.
  • Pay attention to terms like "only son" or "only daughter" as they restrict possibilities.
  • Double-check your steps to ensure accuracy.

Practice with different types of blood relation puzzles can help improve speed and accuracy in solving these problems.

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Similar Questions

  1. A is the son of B. C is the wife of B. D is the son of C. How is A related to D?
  2. A is the father of B. B is the brother of C. How is A related to C?
  3. A is the mother of B. B is the sister of C. How is A related to C?
  4. P is the brother of Q. Q is the sister of R. R is the father of S. How is P related to S?
  5. A is the wife of B. C is the son of A. How is C related to B?
  6. Ganesh was taking a walk with his mother’s brother’s father’s granddaughter. Who was he walking with?

  7. Pointing to Suresha, I said, “She is the daughter of the brother of the son of my wife.” How am I related to Suresha?

  8. Looking at a picture of a woman Vineeta said, "She is the wife of my father's brother's father." How is the woman in the picture related to Vineeta?

  9. Looking at the picture on the wall, he said “My sister-in-law S’s husband Q's son N had a sister R”. How is S related to R?

  10. Looking at a picture of a girl Veronica said, "She is the mother of my husband's brother's daughter." How is Veronica related to the girl in the picture?


Important Questions from General Blood Relation Problems

  1. A is the husband of B, C is the mother-in-law of B, D is the father of A, E is the mother of D, F is the mother of C and G. If H is the father of D, then what is the relation of H with E?

  2. Neeraj pointed at a photo of a lady and said, "She is the daughter of my paternal grandfather's only son. What is the relation of Neeraj with the lady in the photo?

  3. If my sister's mother-in-law's only son is Devika's father, how is Devika's paternal grandfather related to my sister?

  4. Pointing towards a boy, Ranjita said, “He is my husband's father-in-law's only daughter's son's father's only sister's son”. How is that boy's mother related to Ranjita's husband?

  5. If Samaira is the daughter of my father's mother's only son, how is Samaira related to me?

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