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Question

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?

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

Grandson

Understanding Family Relationships: Finding G's Relation to F

This question asks us to determine the relationship between two members, G and F, within a family based on the given clues. To solve this, we need to carefully analyze each statement and build a family tree or diagram representing the relationships.

Analyzing the Family Structure Clues

We are given information about seven members: B, C, D, E, F, G, and H. Let's break down each clue:

  1. H is the only daughter-in-law of D. This tells us that H is married to a son of D. 'Only daughter-in-law' implies D has only one son who is married.
  2. E is the sister of C. This means E and C are siblings.
  3. C is the only son of F, who is the wife of D.
    • F is the wife of D. So, D and F are a married couple.
    • C is the only son of F. Since F is married to D, C is also the son of D.
    • Being the 'only son' of F (and D) confirms that D has only one son, who is C.
  4. B and G are the sons of H. This means H is the mother of B and G. B and G are brothers.

Building the Family Tree

Let's connect the clues:

  • From clue 3, D and F are married, and C is their son. F is the mother, and D is the father.
  • From clue 2, E is the sister of C. Since C is the son of D and F, E must be the daughter of D and F. So, D and F have children C (son) and E (daughter). C is their only son.
  • From clue 1, H is the only daughter-in-law of D. A daughter-in-law is the wife of a son. Since C is the only son of D, H must be married to C.
  • From clue 4, B and G are the sons of H. Since H is married to C, B and G are the sons of both H and C.

Based on this, we can visualize the family structure:

Generation Members Relationships
Grandparents D (Male), F (Female) Married Couple
Parents C (Male), E (Female), H (Female) C is son of D&F.
E is daughter of D&F.
C is married to H.
Children / Grandchildren B (Male), G (Male) Sons of C&H. Grandchildren of D&F.

Determining the Relationship of G to F

We need to find how G is related to F.

  • G is the son of C.
  • C is the son of F.

Therefore, G is the son of F's son. The son of one's son is called a grandson.

Thus, G is the grandson of F.

Conclusion

By carefully piecing together the given relationships, we determined that G is the son of C, and C is the son of F. This establishes G as the grandson of F.

Revision Table: Key Family Relationships

Relationship Members
Husband-Wife D & F, C & H
Parents-Children D&F are parents of C & E.
C&H are parents of B & G.
Siblings C & E, B & G
Grandparents-Grandchildren D&F are grandparents of B & G.

Additional Information on Blood Relations Questions

Blood relations questions test your ability to understand and deduce relationships based on given information. Here are some tips:

  • Draw a diagram or family tree. This helps visualize the connections.
  • Use symbols for gender (e.g., + for male, - for female) and relationships (e.g., double line for marriage, single line for sibling, vertical line for parent-child).
  • Break down complex sentences into simpler parts.
  • Identify the central person or couple and build the tree outwards.
  • Keep track of gender and the specific type of relationship (e.g., brother vs. brother-in-law).
  • Practice different types of blood relations puzzles to improve your speed and accuracy.
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Similar Questions

  1. Directions: These questions are based on the following information.

    There are 7 family members: P, Q, R, S, T, U and V going to a party. There are three generations in which only two are married couples. P is the grandfather of U who is a male. R is the son in law of S. V is the son of Q. S has only two children, both of the same gender. T is the sister in law of R.

    How many males are there?
  2. A family got split and the children of R were left with R's maternal grandfather's only granddaughter's father. How is the person with whom the children are left with related to R?

  3. In a family of four persons there is only one child. B is A's wife and D's daughter. If C is A's daughter, how is C related to D?

  4. 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?

  5. Pamila is the granddaughter of Akun who is married to Nikita. Murali is the brother-in-law of Akun who has two daughters but no son. Rahul is the cousin of Kamal and brother of Pamila. Uday and Vanmay are the sons-in-law of Nikita. Vanmay is married to Yamini and they have two daughters and one son. Uday has one son and one daughter. Tina and Smita are the daughters of Yamini. Murali is unmarried. How is Yamini related to Rahul?

  6. Mahesh is the father of Riva and paternal grandfather of Vansh. Aakash is the brother of Riva and father of Vansh and Ritu. Ritu is the only daughter of Aakash and Maya. How is Maya related to Mahesh?

  7. 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?

  8. There are two couples in a family. Komali has two children. Madhurima is the wife of Omprakash, who is the brother of Mani. Pinki is the daughter of Komali. Urmila is the sister of Sanju, who is the son of Omprakash. Tarun is the son of Mani, who is a male.

    How is Madhurima is related to Komali?

  9. Swati is the daughter of Anil's only sister Akshara. Anil's mother is Gauri. Kamini is Gauri's mother. Kamini's husband is Gaurav. Poonam is Gaurav's mother-in-law. What is Swati's relation with Gaurav?

  10. There is a family of five members: K, L, M, N and O. Among them, there is one married couple. O is unmarried and is the brother of K. N is the sister of O. M is the only married female and the mother of N. L and O are the only males in the group.

    Who is the father of K?


Important Questions from Family Tree Problems

  1. C is the brother of B and D is the grandfather of E. B is the daughter-in-law of D and A is the father of E. How is C related to E?

  2. Mira is the wife of Ketan. Chaitanya is the brother of Kapila, who is the wife of Sudeep. Rani is the mother of Ketan and the wife of Surendra. Chaitanya is the son of Rani. How is Surendra related to Sudeep?

  3. L is the mother of M. L has only two children. N is the sister of M. N is the daughter of K. Z is the grandson of K. O is the mother of Z. How is O related to N?

  4. Ravali does not have any brother. Girima is the wife of Arjun. Zakir is the husband of Malavi. Chaya is the daughter of Ravali. Fatima is the daughter of Arjun. Malavi is the mother of Ravali. Girima is the maternal aunt of Chaya. How is Girima related to Zakir?

  5. There are 8 members P, Q, R, S, T, U, V and W are in a joint family. Q is brother of S. V is son of Q and R. S is brother of U. W is daughter of S and T. P is the wife of V. How is R related to P?

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