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Question

A is the mother of B. B is the sister of C. How is A related to C?

This question was previously asked in
SSC CGL 2025 Tier 1 Question Paper (25-Sep-2025) (Shift 3)
The correct answer is
Mother

Family Relation Logic: A's Relation to C

This question tests basic blood relation understanding.

Step-by-Step Reasoning

  • Premise 1: A is the mother of B. This establishes A as a parent.
  • Premise 2: B is the sister of C. This means B and C share the same parent(s).
  • Conclusion: Since A is the mother of B, and B and C share the same mother, A must also be the mother of C.

Relationship Determination

Based on the premises, A is the parent (specifically, mother) of both B and C.

Therefore, A is related to C as her Mother.

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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. P is the brother of Q. Q is the sister of R. R is the father of S. How is P related to S?
  4. A is the wife of B. C is the son of A. How is C related to B?

Important Questions from General Blood Relation Problems

  1. Pointing to a girl in a college poster, Deepika said, "She is my mother-in-law's only son’s niece". How is that girl's mother related to Deepika?

  2. 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?

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

  4. Pointing towards Sumit, Anuj said, “He is my mother’s father’s son’s brother’s son”. If Vinita who is married to Kartik, is the mother of Anuj, then how is Vinita related to Sumit?

  5. Introducing Reshma to a guest, a lady, Karishma, said, “She is the daughter of my father-in-law’s daughter”. How is Reshma related to Karishma?

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