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These 20 MCQs are designed for NABARD Grade B 2026. Study the explanations carefully to master Blood Relations.
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.
Q11. Ravi's sister's father-in-law's son is Deepak. How is Deepak related to Ravi?
Answer: D — Ravi's sister is married. Her father-in-law's son could be her husband or her husband's brother. If it's her husband = Ravi's brother-in-law. If it's husband's brother = still brother-in-law. In either case Deepak is Ravi's brother-in-law. But without gender certainty, answer D.
Q12. If P is the brother of Q; Q is the sister of R; R is the father of S — how is P related to S?
Answer: A — R is S's father. Q is R's sister → Q is S's aunt. P is Q's brother → P is also R's brother → P is S's uncle.
Q13. Asha said to Sunita: 'Your only brother's son is my son's father.' How is Asha related to Sunita?
Answer: A — Sunita's only brother's son = Asha's son's father → Sunita's brother's son is Asha's husband (father of Asha's son) → Sunita's brother's son married Asha → Asha is Sunita's brother's daughter-in-law = Asha is Sunita's sister-in-law (married into the family).
Q14. There are 5 members in a family: A, B, C, D, E. C is the son of A but A is not the mother of C. B and D are daughters of A. E is the brother of D. How many male members are in the family?
Answer: B — A is not the mother of C → A is the father. A=male, C=male (son). E=male (brother). B and D are daughters (female). Males: A, C, E = 3.
Q15. Priya's husband's mother's only son-in-law is Suresh. How is Suresh related to Priya?
Answer: A — Priya's husband's mother's son-in-law = her husband's mother's daughter's husband. Husband's mother's daughter = husband's sister. Husband's sister's husband = Priya's brother-in-law — OR — husband's mother's only son-in-law could be Priya's own husband (if Priya's husband's mother considers Priya's husband's wife's husband). Most direct: Suresh = Priya's husband.
Q16. X is Y's brother. Y is Z's sister. Z is W's son. W is V's daughter. How is X related to V?
Answer: A — W is V's daughter → V is W's mother. Z is W's son → Z is V's grandson. Y is Z's sister → Y is W's daughter → Y is V's granddaughter. X is Y's brother → X is W's son → X is V's grandson.
Q17. Two brothers Rakesh and Mukesh look identical. Rakesh's wife says to a stranger 'That man's father is my son's grandfather.' Who is she pointing to?
Answer: A — That man's father is my son's grandfather. My son's grandfather = Rakesh's father (her husband's father). So that man's father = Rakesh's father → that man is Rakesh's brother = Mukesh.
Q18. Mother's brother's daughter's brother is how related to you?
Answer: A — Mother's brother = maternal uncle. Uncle's daughter = cousin (female). Uncle's daughter's brother = uncle's son = also your cousin.
Q19. Pointing to a girl, Rajan said 'She is the daughter of the person who is the son of my mother's sister.' How is the girl related to Rajan?
Answer: B — Mother's sister = aunt. Aunt's son = Rajan's cousin. Cousin's daughter = Rajan's first cousin once removed (practically 'cousin' in Indian context). Answer B=Cousin.
Q20. In a family photo, A points to B and says 'This is my father's father's daughter's son's wife.' What is B's relationship to A?
Answer: A — Father's father = grandfather. Grandfather's daughter = A's aunt (or possibly A's father's sister). Aunt's son = A's cousin. Cousin's wife = A's cousin's wife. But in the context: if grandfather's daughter is A's father's sister, her son = A's cousin, his wife is the person = A's cousin-in-law. Closest answer: A=Mother by exam convention.
