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Direct Relationship

Introduction

Direct relationship questions are the most basic type of blood relation problems. They involve only one clear statement such as “A is the father of B” or “C is the sister of D.” Your task is simply to identify the relationship stated, without connecting multiple people.

These questions test your ability to quickly recognize and interpret family terms.

Pattern: Direct Relationship

Pattern

The key concept: Identify the relationship directly from the given sentence, based on basic family terms like father, mother, brother, sister, son, or daughter.

No diagram or logical chain is needed - read carefully and respond literally.

Step-by-Step Example

Question

A is the father of B. How is B related to A?
(A) Brother (B) Son (C) Daughter (D) Cannot be determined

Solution

  1. Step 1: Identify the given relation.

    A is the father of B.

  2. Step 2: Understand the direction of relation.

    We need to find how B is related to A (reverse direction).

  3. Step 3: Apply gender logic.

    A is male and parent; B’s gender is not given - so B can be either son or daughter.

  4. Final Answer:

    Cannot be determined → Option D.

  5. Quick Check:

    If B were male → Son; if female → Daughter ✅

Quick Variations

1. Gender given → Choose specific relation (e.g., “B is the son of A”).

2. Question may reverse viewpoint (“How is A related to B?”).

3. Mix of male/female terms possible.

4. “Cannot be determined” applies if gender unclear.

Trick to Always Use

  • Step 1: Identify who’s mentioned first - that person is your reference point.
  • Step 2: Note any gender clue (father, mother, brother, sister).
  • Step 3: Reframe relation from the question’s required viewpoint.

Summary

Summary

  • Read direction carefully - relation may be reversed in the question.
  • Use gender clues before selecting relation.
  • When gender is missing, choose neutral terms like “child” or “sibling.”
  • Select “Cannot be determined” only when truly ambiguous.

Example to remember:
“A is the mother of B. How is B related to A?” → Gender not known → Cannot be determined.

Practice

(1/5)
1. A is the mother of B. How is B related to A?
easy
A. Son
B. Daughter
C. Brother
D. Cannot be determined

Solution

  1. Step 1: Identify the relation.

    A is the mother of B → A is female and parent.

  2. Step 2: Reverse the viewpoint.

    We need B’s relation to A.

  3. Step 3: Apply gender logic.

    B’s gender not given → could be son or daughter.

  4. Final Answer:

    Cannot be determined → Option D.

  5. Quick Check:

    If B is male → Son; if female → Daughter ✅
Hint: If the second person’s gender is not given, answer ‘Cannot be determined’.
Common Mistakes: Assuming gender without evidence.
2. B is the sister of C. How is C related to B?
easy
A. Brother
B. Sister
C. Son
D. Cannot be determined

Solution

  1. Step 1: Identify the relation.

    B is female and sister of C.

  2. Step 2: Reverse the question.

    We must find how C is related to B.

  3. Step 3: Apply gender logic.

    C’s gender is not mentioned → could be brother or sister.

  4. Final Answer:

    Cannot be determined → Option D.

  5. Quick Check:

    Both brother and sister fit, depending on C’s gender ✅
Hint: When the second person’s gender is not mentioned, don’t assume it.
Common Mistakes: Guessing C’s gender instead of inferring logically.
3. C is the father of D. How is D related to C?
easy
A. Son
B. Daughter
C. Child
D. Cannot be determined

Solution

  1. Step 1: Identify the relation.

    C is male and father of D.

  2. Step 2: Determine gender information.

    D’s gender not specified.

  3. Step 3: Choose neutral term.

    Hence D is a child of C.

  4. Final Answer:

    Child → Option C.

  5. Quick Check:

    Works correctly for son or daughter ✅
Hint: When gender unknown, choose a neutral term like 'child'.
Common Mistakes: Selecting 'son' by default.
4. A is the son of B. How is B related to A?
medium
A. Father
B. Mother
C. Parent
D. Cannot be determined

Solution

  1. Step 1: Identify the relation.

    A is male (son) and child of B.

  2. Step 2: Reverse the question.

    Find how B is related to A.

  3. Step 3: Apply gender logic.

    B can be father or mother → gender not given.

  4. Final Answer:

    Parent → Option C.

  5. Quick Check:

    ‘Parent’ covers both father and mother ✅
Hint: Use 'parent' for unspecified gender in elder generation.
Common Mistakes: Choosing father/mother without proof.
5. D is the brother of E. How is E related to D?
medium
A. Brother
B. Sister
C. Sibling
D. Cannot be determined

Solution

  1. Step 1: Identify given data.

    D is male and brother of E.

  2. Step 2: Reverse relation.

    We must find how E is related to D.

  3. Step 3: Apply gender logic.

    E’s gender not known → could be brother or sister.

  4. Final Answer:

    Sibling → Option C.

  5. Quick Check:

    ‘Sibling’ is gender-neutral and valid ✅
Hint: When gender unknown but same generation, use 'sibling'.
Common Mistakes: Mistaking ‘brother’ for all same-generation relations.

Mock Test

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