Q1): P (a girl) pointed to a man and said, “He is the son of the only daughter of my grandfather.” How is the man related to P?
A) Brother
B) Maternal uncle
C) Cousin
D) Father
Answer: A) Brother
Explanation:
- Step 1: “Only daughter of my grandfather” = P’s mother.
- Step 2: The man is the son of P’s mother.
- Step 3: So the man is P’s sibling.
- Step 4: The person is a man, P is a girl.
- Final: He is P’s brother.
Q2): A’s mother is B’s sister. C is B’s father. D is C’s wife. How is D related to A?
A) Maternal aunt
B) Maternal grandmother
C) Paternal grandmother
D) Mother-in-law
Answer: B) Maternal grandmother
Explanation:
- Step 1: A’s mother is B’s sister ⇒ B is A’s maternal uncle.
- Step 2: C is B’s father ⇒ C is also father of A’s mother.
- Step 3: So C is A’s maternal grandfather.
- Step 4: D is C’s wife ⇒ D is A’s maternal grandmother.
- Final: D is A’s maternal grandmother.
Q3): S (a woman) is married to R. U is the father of S. V is the wife of the only son of U. How is V related to S?
A) Sister-in-law
B) Mother-in-law
C) Daughter-in-law
D) Aunt
Answer: A) Sister-in-law
Explanation:
- Step 1: U is S’s father.
- Step 2: U’s only son = S’s brother.
- Step 3: V is wife of S’s brother.
- Step 4: Brother’s wife = sister-in-law.
- Final: V is S’s sister-in-law.
Q4): In a code: “A @ B” means A is mother of B; “A # B” means A is brother of B. Which expression shows “P is maternal uncle of Q”?
A) P # R, R @ Q
B) P @ R, R # Q
C) P # Q, Q @ R
D) P @ Q, P # R
Answer: A) P # R, R @ Q
Explanation:
- Step 1: Maternal uncle = mother’s brother.
- Step 2: R @ Q means R is mother of Q.
- Step 3: P # R means P is brother of R.
- Step 4: So P is brother of Q’s mother.
- Final: P is maternal uncle of Q (Option A).
Q5): Neel said, “The lady is the mother of my father’s mother.” How is the lady related to Neel?
A) Grandmother
B) Great-grandmother
C) Aunt
D) Mother
Answer: B) Great-grandmother
Explanation:
- Step 1: Neel’s father’s mother = Neel’s grandmother.
- Step 2: Mother of grandmother = great-grandmother.
- Step 3: No marriage/in-law twist here.
- Final: The lady is Neel’s great-grandmother.
Q6): A said to B, “Your mother is the only sister of my father.” How is A related to B?
A) Uncle
B) Cousin
C) Brother
D) Nephew
Answer: B) Cousin
Explanation:
- Step 1: B’s mother is sister of A’s father.
- Step 2: So B’s mother is A’s paternal aunt.
- Step 3: Child of your aunt = cousin.
- Final: A and B are cousins.
Q7): Ravi has no brothers and exactly one sister. Ravi said, “The girl is the daughter of the only child of my maternal grandmother.” How is the girl related to Ravi?
A) Daughter
B) Sister
C) Cousin
D) Niece
Answer: B) Sister
Explanation:
- Step 1: Maternal grandmother’s only child = Ravi’s mother.
- Step 2: The girl is daughter of Ravi’s mother.
- Step 3: So the girl is Ravi’s sister (or Ravi himself, but he is male).
- Step 4: Ravi has exactly one sister, matching the result.
- Final: The girl is Ravi’s sister.
Q8): A has two children: B (son) and C (daughter). B is married to D. D is the sister of E (male). E is married to C. How is D related to A?
A) Daughter
B) Daughter-in-law
C) Sister-in-law
D) Niece
Answer: B) Daughter-in-law
Explanation:
- Step 1: B is A’s son.
- Step 2: D is wife of B.
- Step 3: Son’s wife = daughter-in-law.
- Step 4: Extra info about E and C does not change D’s relation to A.
- Final: D is A’s daughter-in-law.
Q9): A is facing East. B is standing to the left of A and B is A’s brother. C is standing to the South of B and C is B’s son. How is C related to A?
A) Son
B) Nephew
C) Cousin
D) Uncle
Answer: B) Nephew
Explanation:
- Step 1: B is A’s brother.
- Step 2: C is B’s son.
- Step 3: Brother’s son = nephew.
- Step 4: Directions only help locate positions, not relations.
- Final: C is A’s nephew.
Q10): A is the father of B. B is the mother of C. D is the brother of B. How is D related to C?
A) Paternal uncle
B) Maternal uncle
C) Grandfather
D) Brother
Answer: B) Maternal uncle
Explanation:
- Step 1: B is mother of C.
- Step 2: D is brother of B.
- Step 3: Mother’s brother = maternal uncle.
- Final: D is C’s maternal uncle.
Q11): K is the brother of L. L is the mother of M. N is the father of K. How is N related to M?
A) Father
B) Maternal grandfather
C) Paternal grandfather
D) Uncle
Answer: B) Maternal grandfather
Explanation:
- Step 1: K and L are siblings.
- Step 2: N is father of K ⇒ N is also father of L.
- Step 3: L is mother of M.
- Step 4: Mother’s father = maternal grandfather.
- Final: N is M’s maternal grandfather.
Q12): C is the son of B. D is the brother of C. E is the wife of D. How is E related to C?
A) Sister
B) Sister-in-law
C) Aunt
D) Mother
Answer: B) Sister-in-law
Explanation:
- Step 1: D is brother of C.
- Step 2: E is wife of D.
- Step 3: Brother’s wife = sister-in-law.
- Final: E is C’s sister-in-law.
Q13): X is the sister of Y. Y is the daughter of Z. Z is the husband of W. W is the sister of V (V is male). How is V related to X?
A) Father
B) Maternal uncle
C) Paternal uncle
D) Brother
Answer: B) Maternal uncle
Explanation:
- Step 1: Y is Z’s daughter ⇒ Z is Y’s father.
- Step 2: Z is husband of W ⇒ W is Y’s mother.
- Step 3: X is sister of Y ⇒ X is also child of W (mother).
- Step 4: W is sister of V (male) ⇒ V is W’s brother.
- Final: Mother’s brother = maternal uncle, so V is X’s maternal uncle.
Q14): A is the brother of B. B is the sister of C. C is married to D. How is D related to A?
A) Brother-in-law
B) Sister-in-law
C) Cannot be determined
D) Cousin
Answer: C) Cannot be determined
Explanation:
- Step 1: A, B, C are siblings (A is brother of B; B is sister of C).
- Step 2: C is married to D.
- Step 3: If C is male, D is female ⇒ D would be A’s sister-in-law.
- Step 4: If C is female, D is male ⇒ D would be A’s brother-in-law.
- Final: D’s exact relation to A cannot be fixed.
Q15): A is the mother of B. B is the mother of C. D is the brother of A. How is D related to C?
A) Maternal uncle
B) Grand-uncle (great-uncle)
C) Grandfather
D) Cousin
Answer: B) Grand-uncle (great-uncle)
Explanation:
- Step 1: A is mother of B ⇒ A is C’s grandmother (since B is C’s mother).
- Step 2: D is brother of A ⇒ D is grandmother’s brother.
- Step 3: Grandmother’s brother = grand-uncle (great-uncle).
- Final: D is C’s grand-uncle.
Q16): Rohan said, “The man is the father of the wife of my father’s only son.” How is that man related to Rohan?
A) Father
B) Father-in-law
C) Maternal uncle
D) Brother
Answer: B) Father-in-law
Explanation:
- Step 1: “My father’s only son” = Rohan.
- Step 2: Wife of Rohan = Rohan’s wife.
- Step 3: Father of Rohan’s wife = father-in-law.
- Final: The man is Rohan’s father-in-law.
Q17): P is the only son of his parents. Q is the sister of P’s father. R is the daughter of Q. S is the brother of R. How is S related to P?
A) Brother
B) Cousin
C) Nephew
D) Uncle
Answer: B) Cousin
Explanation:
- Step 1: Q is sister of P’s father ⇒ Q is P’s paternal aunt.
- Step 2: R is Q’s daughter ⇒ R is P’s cousin.
- Step 3: S is brother of R ⇒ S is also child of Q.
- Step 4: Aunt’s son = cousin.
- Final: S is P’s cousin.
Q18): A is the father of B. C is the mother of A. D is C’s husband. How is D related to B?
A) Father
B) Paternal grandfather
C) Maternal grandfather
D) Uncle
Answer: B) Paternal grandfather
Explanation:
- Step 1: A is father of B.
- Step 2: C is mother of A ⇒ C is B’s paternal grandmother.
- Step 3: D is husband of C ⇒ D is B’s paternal grandfather.
- Final: D is B’s paternal grandfather.
Q19): X (a woman) said to Y, “Your brother is my brother’s father.” How is X related to Y?
A) Sister
B) Niece
C) Aunt
D) Cousin
Answer: B) Niece
Explanation:
- Step 1: “My brother’s father” = X’s father.
- Step 2: Y’s brother = X’s father.
- Step 3: So Y is sibling of X’s father.
- Step 4: Child of your sibling = niece/nephew.
- Final: X (woman) is Y’s niece.
Q20): A and B are a married couple. Their son C is married to E. Their daughter D is married to F. E and F are siblings (E is female, F is male). How is F related to C?
A) Brother-in-law
B) Cousin
C) Uncle
D) Son-in-law
Answer: A) Brother-in-law
Explanation:
- Step 1: C is sibling of D (same parents A and B).
- Step 2: F is husband of D.
- Step 3: Sister’s husband = brother-in-law.
- Step 4: E–F sibling info is extra and does not change F–C relation.
- Final: F is C’s brother-in-law.