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Question

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?

The correct answer is

Grandson

Understanding Blood Relation Reasoning

Blood relation questions test your ability to decipher the relationships between different members of a family based on the information provided. To solve these questions effectively, it's helpful to create a family tree or list the relationships step-by-step.

Step-by-Step Analysis of Relationships

Let's break down the given statements and build the family connections:

  • Statement 1: P is the brother of Q.

    This means P and Q are siblings. P is male.

  • Statement 2: S is the father of P.

    If S is the father of P, and P is the brother of Q, then S is also the father of Q. S is male.

  • Statement 3: R is the brother of S.

    This means R and S are siblings. R is male.

  • Statement 4: T is the mother of R.

    If T is the mother of R, and R is the brother of S, then T is also the mother of S. T is female.

Connecting the Family Tree Branches

Now, let's combine these statements to see the overall family structure related to P and T:

  • T is the mother of S. (From Statement 4 and 3)
  • S is the father of P. (From Statement 2)

So, T is the mother of S, and S is the father of P. This makes S the child of T, and P the child of S.

Determining the Relationship between P and T

Following the chain of relationships:

  • T is the mother of S.
  • S is the father of P.

Therefore, S is the son of T. P is the son of S (since P is male, brother of Q, and S is his father).

If S is the son of T, and P is the son of S, then S is the father of P. This means T is the parent of S, and S is the parent of P.

T is S's mother, and S is P's father. This makes T the paternal grandmother of P.

The question asks how P is related to T. If T is P's grandmother, then P is T's grandchild. Since P is male (brother of Q), P is T's grandson.

Summary of Relationships

Person Relation to S Relation to P Relation to T
T Mother Grandmother Self
R Brother Uncle Son
S Self Father Son
P Son Self Grandson
Q Child Sibling Grandchild

Based on the analysis, P is the grandson of T.

Revision Table: Key Blood Relations

Relation Description
Father's Father Paternal Grandfather
Father's Mother Paternal Grandmother
Mother's Father Maternal Grandfather
Mother's Mother Maternal Grandmother
Father's Son Son
Father's Daughter Daughter
Son's Son Grandson
Son's Daughter Granddaughter

Additional Information: Tips for Solving Blood Relation Problems

  • Always assume relationships within a standard family structure unless stated otherwise.
  • Draw a diagram or family tree to visualize the relationships. Use symbols for gender (e.g., circle for female, square for male) and connections (e.g., horizontal line for siblings, vertical line for parent-child).
  • Break down complex statements into simpler ones.
  • Work backward or forward from the known relationships to find the unknown one.
  • Be careful with gender. The name doesn't always indicate gender unless explicitly stated or implied by the relationship (like 'brother', 'mother', 'father'). In this problem, P is explicitly stated as 'brother', making him male.
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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. 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?

  5. 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?

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