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Question

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?

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

Aunt

Understanding Family Relationships: Akun, Nikita, and Rahul

This question asks us to determine the relationship between Yamini and Rahul based on a series of statements about a family. To solve this, we need to carefully read each statement and build a family tree or list the relationships as we deduce them.

Analyzing the Statements and Building the Family Tree

Let's break down the given information step-by-step:

  • Pamila is the granddaughter of Akun who is married to Nikita. This tells us Akun and Nikita are married and are the grandparents of Pamila.
  • Murali is the brother-in-law of Akun who has two daughters but no son. Since Akun has no son, Murali must be the brother of Akun's wife, Nikita. Akun and Nikita have two daughters. Let's call them Daughter 1 (D1) and Daughter 2 (D2).
  • Rahul is the cousin of Kamal and brother of Pamila. Pamila and Rahul are siblings. Since Pamila is a granddaughter of Akun and Nikita, Rahul is also a grandchild of Akun and Nikita. This means one of Akun's daughters is the parent of Pamila and Rahul. Rahul being Kamal's cousin implies Kamal is a child of the other daughter.
  • Uday and Vanmay are the sons-in-law of Nikita. Sons-in-law are husbands of daughters. So, Uday and Vanmay are married to Akun and Nikita's two daughters (D1 and D2).
  • Vanmay is married to Yamini and they have two daughters and one son. This explicitly names one of Akun's daughters as Yamini. So, let's say Yamini is D1. Yamini is married to Vanmay. Their children are two daughters (Tina, Smita) and one son. Based on the previous statement, this son must be Kamal (since Rahul is Kamal's cousin).
  • Uday has one son and one daughter. Uday must be married to the other daughter, D2. Their children are one son and one daughter. Since Pamila and Rahul are siblings and grandchildren of Akun/Nikita, they must be the children of Uday and D2. So, Rahul is the son and Pamila is the daughter of Uday and D2.
  • Tina and Smita are the daughters of Yamini. This confirms the children of Yamini and Vanmay.
  • Murali is unmarried. This confirms Murali's relationship as Nikita's brother, not through marriage to Akun's sister (which isn't possible as Akun has no siblings mentioned).

Consolidating the Family Structure

Based on the analysis, we can sketch the following family structure:

Grandparents: Akun (Husband) Nikita (Wife)
Siblings of Grandparents: Murali (Nikita's Brother)
Children of Akun & Nikita: Yamini (Daughter) Daughter 2 (Let's call her D2)
Spouses of Daughters: Vanmay (Married to Yamini) Uday (Married to D2)
Grandchildren (Children of Yamini & Vanmay): Tina (Daughter) , Smita (Daughter) , Kamal (Son)
Grandchildren (Children of D2 & Uday): Rahul (Son) , Pamila (Daughter)

Determining the Relationship between Yamini and Rahul

We need to find out how Yamini is related to Rahul.

  • From our deductions, Rahul is the son of D2 and Uday.
  • Yamini is the daughter of Akun and Nikita, just like D2 is the daughter of Akun and Nikita.
  • This means Yamini is the sister of D2.
  • Since Rahul's mother is D2, and Yamini is D2's sister, Yamini is the sister of Rahul's mother.

The sister of one's mother is their aunt.

Therefore, Yamini is Rahul's aunt.

Revision Table: Key Relationships Solved

Individuals Key Relationships
Akun & Nikita Married couple, Grandparents of Pamila & Rahul, Parents of Yamini & D2
Murali Nikita's brother, Akun's brother-in-law
Yamini Akun's daughter (D1), Nikita's daughter, Married to Vanmay, Mother of Tina, Smita, Kamal, Sister of D2
D2 (Other Daughter) Akun's daughter, Nikita's daughter, Married to Uday, Mother of Rahul, Pamila, Sister of Yamini
Vanmay Nikita's son-in-law, Married to Yamini, Father of Tina, Smita, Kamal
Uday Nikita's son-in-law, Married to D2, Father of Rahul, Pamila
Pamila Granddaughter of Akun & Nikita, Daughter of Uday & D2, Sister of Rahul, Cousin of Kamal, Tina, Smita
Rahul Grandson of Akun & Nikita, Son of Uday & D2, Brother of Pamila, Cousin of Kamal, Tina, Smita
Kamal Grandson of Akun & Nikita, Son of Vanmay & Yamini, Cousin of Rahul & Pamila

Additional Information: Solving Blood Relation Puzzles

Blood relation questions test your ability to understand and deduce relationships within a family structure. Here are some tips for solving them:

  • Read the question carefully, identifying all individuals and stated relationships.
  • Start with a known couple or central figure and build outwards.
  • Use symbols (like lines for marriage, vertical lines for parent-child) or diagrams to represent the family tree visually. This helps track connections.
  • Pay close attention to gender indicators (son, daughter, brother, sister) and generational levels (parent, child, grandparent, grandchild).
  • Understand terms like 'brother-in-law' (sister's husband, husband's brother, wife's brother) and 'son-in-law' (daughter's husband).
  • Break down complex sentences into smaller pieces of information.
  • Work step-by-step, deducing one relationship at a time.
  • Verify your constructed family tree against all given statements to ensure consistency.

Practicing different types of blood relation puzzles helps improve speed and accuracy.

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Important Questions from Family Tree Problems

  1. Six members of a family namely A, B, C, D, E and F are travelling together. B is the son of C but C is not the mother of B. A and C are married couple. E is the brother of C, D is the daughter of A. F is the brother of B. How many male members are there in the family?
  2. Sunil is the son of Kesav. Simran, who is Kesav's sister, has a son Maruti and daughter Sita. Prem is the maternal uncle of Maruti. How is Sunil related to Maruti?
  3. A and B are brothers. C and D are sisters. A's son is D's brother. How is B related to C?

  4. A is B's sister. C is B's mother. D is C's father. E is D's mother. Then, how is A related to D?

  5. Shanti’s daughter Chandini is married to Abhi. Anchal is married to Sandy, the grandson of Shanti. Abhi's grandson is Karan. Rashmi is the mother of Karan. Shaurya is Anchal's son. How is Shaurya related to Karan?

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