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Question

Sohan told Raju, "Yesterday I met your mother's father's only granddaughter Sunita." Raju added that his mother was the only child to her parents. How is Raju related to Sunita?

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
The correct answer is
Brother

Analyzing the Relationship Clues

This is a family relationship puzzle. We need to determine Raju's relationship to Sunita based on the conversation.

Step-by-Step Reasoning

  • Identify the key people: Sohan, Raju, Raju's Mother, Raju's Mother's Father, Sunita.
  • Analyze Sohan's statement: Sohan met "your mother's father's only granddaughter".
  • Break down the relationship chain:
    • Raju's mother's father is Raju's maternal grandfather.
    • The grandfather's "only granddaughter" refers to the sole female grandchild.
  • Analyze Raju's statement: "his mother was the only child to her parents".
  • Connect the statements:
    • Since Raju's mother is the only child, she has no brothers or sisters.
    • This means Raju's maternal grandfather has only one child (Raju's mother).
    • Therefore, the grandfather's only granddaughter must be the daughter of his only child (Raju's mother).
    • The daughter of Raju's mother is Raju's sister.
    • So, Sunita is Raju's sister.
  • Determine Raju's relation to Sunita: If Sunita is Raju's sister, then Raju is Sunita's brother.

Conclusion

Based on the analysis, Raju is Sunita's brother.

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Important Questions from Family Tree Problems

  1. Saloni is the daughter of the only son of Kartik. Nirupama is the mother of Deepak. Yamini’s only son, Ankit, is married to Nirupama. Kartik is the paternal grandfather of Deepak. How is Kartik related to Ankit?

  2. P, L, T, B, N and D are six members of a business family. N is the son of B, who is not the mother of N. L is the brother of B. D and B are a married couple. T is the daughter of D, who is the sister of P. How is N related to T?

  3. Ramesh is the father of Manideep. Ramesh has only two children. Manideep is the brother of Niharika. Niharika is the daughter of Kavita. Ananya is the granddaughter of Kavita. Sujit is the father of Ananya. How is Sujit related to Manideep?

  4. P is the brother of Q. S is the father of P. R is the brother of S. If T is the mother of R, then how is P related to T?

  5. There are seven members, B, C, D, E, F, G and H, in a family. H is the only daughter-in- law of D. E is the sister of C. C is the only son of F, who is the wife of D. B and G are the sons of H. How is G related to F?

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