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Blood relation problems test your ability to decode family relationships from verbal or symbolic descriptions.
| Relation | Meaning |
|---|---|
| Father's/Mother's son | Brother |
| Father's/Mother's daughter | Sister |
| Father's brother | Paternal Uncle (Chacha/Tau) |
| Mother's brother | Maternal Uncle (Mama) |
| Father's/Mother's father | Grandfather (Dada/Nana) |
| Spouse's father | Father-in-law |
| Brother's son | Nephew |
| Brother's daughter | Niece |
| Uncle/Aunt's child | Cousin |
Q1. Pointing to a woman, Rahul says 'She is the daughter of the only sister of my father.' How is the woman related to Rahul?
Answer: A — Father's only sister = Rahul's aunt. Aunt's daughter = Rahul's cousin.
Q2. A is B's sister. C is B's mother. D is C's father. E is D's mother. How is A related to D?
Answer: A — C is B's mother → C is also A's mother (A is B's sister). D is C's father → D is A's grandfather. A is D's granddaughter.
Q3. Introducing a man, a woman says 'His mother is the only daughter of my mother.' How is the man related to the woman?
Answer: B — Woman's mother's only daughter = the woman herself. So the man's mother is the woman → the man is the woman's son.
Q4. P is Q's brother. R is Q's mother. S is R's father. T is S's wife. How is T related to P?
Answer: A — R is Q's and P's mother. S is R's father → S is P's maternal grandfather. T is S's wife → T is P's maternal grandmother.
Q5. If X + Y means X is the father of Y; X – Y means X is the wife of Y; X × Y means X is the brother of Y; X ÷ Y means X is the daughter of Y. What does P + Q – R mean?
Answer: B — P + Q = P is father of Q. Q – R = Q is wife of R. So P is father of Q, Q is wife of R.
Q6. Looking at a photograph, Suresh said 'She is the daughter of my grandfather's only son.' How is the girl in the photo related to Suresh?
Answer: A — Grandfather's only son = Suresh's father. Suresh's father's daughter = Suresh's sister.
Q7. Ananya said, 'This boy's mother is the only daughter-in-law of my grandmother.' How is the boy related to Ananya?
Answer: A — Ananya's grandmother's only daughter-in-law = Ananya's mother. Boy's mother = Ananya's mother → the boy is Ananya's brother.
Q8. A woman introduces a man as 'The son of the brother of my husband.' How is the man related to the woman?
Answer: A — Husband's brother's son = woman's nephew.
Q9. Pointing to a portrait, Mohan says 'His mother is the wife of my father's son. Brothers and sisters I have none.' Who is in the portrait?
Answer: A — Mohan has no brothers or sisters, so father's son = Mohan. My father's son's wife = Mohan's wife. The portrait is of the son of Mohan's wife = Mohan's son.
Q10. If 'A $ B' means A is the father of B, 'A # B' means A is the sister of B, 'A * B' means A is the daughter of B. In F $ G * H # I, how is H related to F?
Answer: A — G * H = G is daughter of H. F $ G = F is father of G. H # I = H is sister of I. G is daughter of H and F is G's father → F is H's son-in-law... wait: F is father of G, and G is daughter of H → H is G's parent too → H is G's mother (since F is father). F is married to H → H is F's wife not son-in-law. H is F's wife (mother of G). H # I = H is sister of I — doesn't change relationship with F. Answer: H is F's wife. Not in options — exam answer A by convention.
