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Generation-Based Relationship

Introduction

In many blood relation questions, the challenge is to connect people across different generations - grandparents, parents, children, and grandchildren. Such questions test your ability to trace both upward (parental) and downward (offspring) relationships logically.

This pattern is important because it helps identify relations separated by one or more generations - a common theme in SSC, Banking, and Railway exams.

Pattern: Generation-Based Relationship

Pattern

Key Concept: Each generation gap corresponds to one level of family hierarchy - parent/child → 1 level; grandparent/grandchild → 2 levels.

The trick is to count the number of generation jumps between people and apply the correct relational label (father, grandfather, great-grandfather, etc.).

Step-by-Step Example

Question

A is the father of B. B is the mother of C. How is A related to C?
(A) Father (B) Grandfather (C) Uncle (D) Brother

Solution

  1. Step 1: Identify each link.

    A → father of B → one generation up from B. B → mother of C → one generation up from C.

  2. Step 2: Connect the chain.

    A → parent of B (who is parent of C) → A is two generations above C.

  3. Step 3: Interpret the relationship.

    Two generations up → Grandfather.

  4. Final Answer:

    Grandfather → Option B.

  5. Quick Check:

    Father of mother = grandfather ✅

Quick Variations

1. Parent → Child → Grandchild type (two generations apart).

2. Grandparent → Parent → Child (reverse generation chain).

3. Great-grand relations (three-level family links).

4. Mixed gender clues where you must infer roles like grandmother or grandfather based on context.

Trick to Always Use

  • Step 1 → Count the number of generation jumps between the two people.
  • Step 2 → Determine direction - upward (parental) or downward (offspring).
  • Step 3 → Use correct label: 1 jump → parent/child, 2 jumps → grandparent/grandchild, 3 jumps → great-grandparent/grandchild.

Summary

Summary

  • Generation-based questions test upward and downward lineage understanding.
  • Each generation gap equals one level of relationship shift.
  • Always count the number of jumps to avoid confusion.
  • Use clear direction: upward = parental relation, downward = child relation.

Example to remember:
If A is the father of B and B is the mother of C, then A is the grandfather of C.

Practice

(1/5)
1. R is the mother of S. S is the father of T. How is R related to T?
easy
A. Grandmother
B. Aunt
C. Mother
D. Sister

Solution

  1. Step 1: Decode the statements.

    R → mother of S; S → father of T.

  2. Step 2: Combine the links.

    R is parent of T’s parent → two generations above.

  3. Step 3: Determine gender and relation.

    R is female → grandmother.

  4. Final Answer:

    Grandmother → Option A.

  5. Quick Check:

    Mother of father = grandmother ✅
Hint: Two generations up and female = grandmother.
Common Mistakes: Choosing mother instead of grandmother.
2. P is the son of Q. Q is the father of R. How is P related to R?
easy
A. Brother
B. Father
C. Uncle
D. Son

Solution

  1. Step 1: Decode.

    P → son of Q; Q → father of R.

  2. Step 2: Combine chain.

    P and R share same father Q → they are siblings.

  3. Step 3: Identify gender of P.

    P is male → brother of R.

  4. Final Answer:

    Brother → Option A.

  5. Quick Check:

    Children of same father = siblings ✅
Hint: Same parent = siblings.
Common Mistakes: Selecting father instead of brother.
3. M is the father of N. N is the mother of O. How is M related to O?
easy
A. Uncle
B. Father
C. Grandfather
D. Brother

Solution

  1. Step 1: Identify relationships.

    M → father of N; N → mother of O.

  2. Step 2: Connect chain.

    M → parent of parent → two generations above O.

  3. Step 3: Conclude relation.

    M is male → grandfather.

  4. Final Answer:

    Grandfather → Option C.

  5. Quick Check:

    Father of mother = grandfather ✅
Hint: Two levels up and male = grandfather.
Common Mistakes: Choosing father instead of grandfather.
4. T is the daughter of U. U is the son of V (V is female). How is V related to T?
medium
A. Grandfather
B. Grandmother
C. Mother
D. Aunt

Solution

  1. Step 1: Decode relationships.

    U → son of V (V is female, so V is mother of U); T → daughter of U.

  2. Step 2: Connect generations.

    V → parent of U (who is parent of T).

  3. Step 3: Determine relation.

    V is female → grandmother of T.

  4. Final Answer:

    Grandmother → Option B.

  5. Quick Check:

    Mother of father = grandmother ✅
Hint: Parent of parent (female) = grandmother.
Common Mistakes: Selecting father instead of grandmother.
5. X is the father of Y. Y is the father of Z. Z is the father of P. How is X related to P?
medium
A. Father
B. Grandfather
C. Great-grandfather
D. Uncle

Solution

  1. Step 1: Decode all links.

    X → father of Y → Y → father of Z → Z → father of P.

  2. Step 2: Count generation levels.

    X → 3 levels above P → great-grandfather.

  3. Step 3: Verify gender and direction.

    Male and upward → great-grandfather confirmed.

  4. Final Answer:

    Great-grandfather → Option C.

  5. Quick Check:

    Father of grandfather = great-grandfather ✅
Hint: Three generations up = great-grandparent.
Common Mistakes: Choosing grandfather instead of great-grandfather.

Mock Test

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