Question 3<\/strong><\/p>\n\n\n\nIf A + B means A is the father of B, A \u00d7 B means A is the sister of B, A $ B means A is the wife of B, and A % B means A is the mother of B, then what does P \u00d7 Q + R % S mean? <\/p>\n\n\n\n
a) P is the aunt of S <\/p>\n\n\n\n
b) P is the sister of S <\/p>\n\n\n\n
c) P is the mother of S <\/p>\n\n\n\n
d) P is the grandmother of S<\/p>\n\n\n\n
Answer: a) P is the aunt of S<\/strong> <\/p>\n\n\n\nSolution:<\/strong> P \u00d7 Q (P is sister of Q) + Q + R (Q is father of R) % R % S (R is mother of S). So P is Q’s sister, Q is R’s father, and R is S’s mother. Therefore, P is S’s aunt (father’s sister).<\/p>\n\n\n\nQuestion 4<\/strong><\/p>\n\n\n\nIntroducing a man, a woman said, “He is the only son of my mother’s mother.” How is the woman related to the man? <\/p>\n\n\n\n
a) Mother <\/p>\n\n\n\n
b) Sister <\/p>\n\n\n\n
c) Niece <\/p>\n\n\n\n
d) Aunt<\/p>\n\n\n\n
Answer: c) Niece<\/strong> <\/p>\n\n\n\nSolution:<\/strong> “Only son of my mother’s mother” means the woman’s maternal uncle. So the woman is the man’s niece.<\/p>\n\n\n\nQuestion 5<\/strong><\/p>\n\n\n\nA man said to a lady, “Your mother’s husband’s sister is my aunt.” How is the lady related to the man? <\/p>\n\n\n\n
a) Daughter <\/p>\n\n\n\n
b) Sister <\/p>\n\n\n\n
c) Mother <\/p>\n\n\n\n
d) Niece<\/p>\n\n\n\n
Answer: b) Sister<\/strong> <\/p>\n\n\n\nSolution:<\/strong> Lady’s mother’s husband = Lady’s father. Lady’s father’s sister = Lady’s aunt. If the lady’s aunt is the man’s aunt too, then they are siblings.<\/p>\n\n\n\nQuestion 6<\/strong><\/p>\n\n\n\nIf P is the brother of Q, Q is the sister of R, and R is the father of S, then which of the following statements is correct? <\/p>\n\n\n\n
a) P is the uncle of S <\/p>\n\n\n\n
b) P is the father of S <\/p>\n\n\n\n
c) P is the grandfather of S <\/p>\n\n\n\n
d) P is the brother of S<\/p>\n\n\n\n
Answer: a) P is the uncle of S<\/strong> <\/p>\n\n\n\nSolution:<\/strong> P is brother of Q \u2192 Q is sister of R \u2192 R is father of S. Since P is the brother of S’s father (R), P is S’s uncle.<\/p>\n\n\n\nQuestion 7<\/strong><\/p>\n\n\n\nDeepak said to Nitin, “That boy playing with the football is the younger of the two brothers of the daughter of my father’s wife.” How is the boy related to Deepak? <\/p>\n\n\n\n
a) Son <\/p>\n\n\n\n
b) Brother <\/p>\n\n\n\n
c) Cousin <\/p>\n\n\n\n
d) Brother-in-law<\/p>\n\n\n\n
Answer: b) Brother<\/strong> <\/p>\n\n\n\nSolution:<\/strong> “Daughter of my father’s wife” = Deepak’s sister. “Younger of two brothers of his sister” = Deepak’s younger brother.<\/p>\n\n\n\nQuestion 8<\/strong><\/p>\n\n\n\nA woman introduces a man as the son of the brother of her mother. How is the man related to the woman? <\/p>\n\n\n\n
a) Nephew <\/p>\n\n\n\n
b) Son <\/p>\n\n\n\n
c) Cousin <\/p>\n\n\n\n
d) Uncle<\/p>\n\n\n\n
Answer: c) Cousin<\/strong> <\/p>\n\n\n\nSolution:<\/strong> Brother of her mother = Her uncle. Son of her uncle = Her cousin.<\/p>\n\n\n\nQuestion 9<\/strong><\/p>\n\n\n\nPointing to a photograph, Anjali said, “This man’s son’s sister is my mother-in-law.” How is Anjali’s husband related to the man in the photograph? <\/p>\n\n\n\n
a) Grandson <\/p>\n\n\n\n
b) Son <\/p>\n\n\n\n
c) Nephew <\/p>\n\n\n\n
d) Son-in-law<\/p>\n\n\n\n
Answer: a) Grandson<\/strong> <\/p>\n\n\n\nSolution:<\/strong> Man’s son’s sister = Man’s daughter. If Man’s daughter is Anjali’s mother-in-law, then Anjali’s husband is Man’s grandson.<\/p>\n\n\n\nQuestion 10<\/strong><\/p>\n\n\n\nIf A says that B’s mother is the only daughter of A’s mother, then how is A related to B? <\/p>\n\n\n\n
a) Brother <\/p>\n\n\n\n
b) Father <\/p>\n\n\n\n
c) Mother <\/p>\n\n\n\n
d) Uncle<\/p>\n\n\n\n
Answer: c) Mother<\/strong> <\/p>\n\n\n\nSolution:<\/strong> “Only daughter of A’s mother” = A herself (if A is female). So B’s mother is A, making A the mother of B.<\/p>\n\n\n\nQuestion 11<\/strong><\/p>\n\n\n\nX and Y are brothers. R is the father of Y. S is the brother of T and maternal uncle of X. What is T to R? <\/p>\n\n\n\n
a) Brother <\/p>\n\n\n\n
b) Wife <\/p>\n\n\n\n
c) Sister <\/p>\n\n\n\n
d) Brother-in-law<\/p>\n\n\n\n
Answer: b) Wife<\/strong> <\/p>\n\n\n\nSolution:<\/strong> S is the maternal uncle of X, so S is X’s mother’s brother. Since S is the brother of T, T is also X’s mother’s sibling. Since X and Y are brothers with the same parents, T is Y’s mother too. As R is Y’s father, T is R’s wife.<\/p>\n\n\n\nQuestion 12<\/strong><\/p>\n\n\n\nA man pointing to a photograph says, “The lady in the photograph is my nephew’s maternal grandmother.” How is the lady related to the man’s sister? <\/p>\n\n\n\n
a) Sister-in-law <\/p>\n\n\n\n
b) Mother <\/p>\n\n\n\n
c) Mother-in-law <\/p>\n\n\n\n
d) Sister<\/p>\n\n\n\n
Answer: c) Mother-in-law<\/strong> <\/p>\n\n\n\nSolution:<\/strong> Man’s nephew’s maternal grandmother = Man’s sister’s mother-in-law (assuming the nephew is Man’s sister’s son).<\/p>\n\n\n\nQuestion 13<\/strong><\/p>\n\n\n\nLooking at a portrait, Aditi said, “Anirudh is the father of the only sister of my son.” How is Anirudh related to Aditi? <\/p>\n\n\n\n
a) Brother-in-law <\/p>\n\n\n\n
b) Husband <\/p>\n\n\n\n
c) Brother <\/p>\n\n\n\n
d) Son<\/p>\n\n\n\n
Answer: b) Husband<\/strong> <\/p>\n\n\n\nSolution:<\/strong> “Only sister of my son” = Aditi’s daughter. If Anirudh is the father of Aditi’s daughter, then Anirudh is Aditi’s husband.<\/p>\n\n\n\nQuestion 14<\/strong><\/p>\n\n\n\nP’s father Q is B’s paternal uncle. If A is the father of Q, then how is P related to B? <\/p>\n\n\n\n
a) Brother <\/p>\n\n\n\n
b) Cousin <\/p>\n\n\n\n
c) Uncle <\/p>\n\n\n\n
d) Nephew<\/p>\n\n\n\n
Answer: b) Cousin<\/strong> <\/p>\n\n\n\nSolution:<\/strong> Q is B’s paternal uncle \u2192 A is the father of Q \u2192 A is also B’s grandfather. Since P’s father is Q, and Q is B’s uncle, P and B are cousins.<\/p>\n\n\n\nQuestion 15<\/strong><\/p>\n\n\n\nAmit said, “This girl is the wife of the grandson of my mother.” How is Amit related to the girl? <\/p>\n\n\n\n
a) Father-in-law <\/p>\n\n\n\n
b) Grandfather <\/p>\n\n\n\n
c) Husband <\/p>\n\n\n\n
d) Father<\/p>\n\n\n\n
Answer: a) Father-in-law<\/strong> <\/p>\n\n\n\nSolution:<\/strong> Grandson of Amit’s mother = Amit’s nephew or Amit’s son. If it’s Amit’s son, then the girl is Amit’s daughter-in-law, making Amit her father-in-law.<\/p>\n\n\n\nQuestion 16<\/strong><\/p>\n\n\n\nA is the son of B. C is the daughter of A. D is the brother of B. E is the son of D. What is the relationship between C and E? <\/p>\n\n\n\n
a) Cousins <\/p>\n\n\n\n
b) Sister and brother <\/p>\n\n\n\n
c) Niece and uncle <\/p>\n\n\n\n
d) Aunt and nephew<\/p>\n\n\n\n
Answer: a) Cousins<\/strong> <\/p>\n\n\n\nSolution:<\/strong> A is the son of B \u2192 C is the daughter of A \u2192 D is the brother of B \u2192 E is the son of D. Since C’s grandfather (B) and E’s father (D) are brothers, C and E are cousins.<\/p>\n\n\n\nQuestion 17<\/strong><\/p>\n\n\n\nIntroducing Sonia, Aamir says, “She is the wife of the only nephew of the only brother of my mother.” How is Sonia related to Aamir? <\/p>\n\n\n\n
a) Wife <\/p>\n\n\n\n
b) Sister-in-law <\/p>\n\n\n\n
c) Niece <\/p>\n\n\n\n
d) Sister<\/p>\n\n\n\n
Answer: b) Sister-in-law<\/strong> <\/p>\n\n\n\nSolution:<\/strong> Only brother of Aamir’s mother = Aamir’s uncle. Only nephew of uncle = Aamir’s cousin\/brother. Wife of Aamir’s brother = Aamir’s sister-in-law.<\/p>\n\n\n\nQuestion 18<\/strong><\/p>\n\n\n\nIf M is the brother of N, N is the sister of O, and O is the husband of P, then which of the following is true? <\/p>\n\n\n\n
a) M is the brother-in-law of P <\/p>\n\n\n\n
b) M is the husband of P <\/p>\n\n\n\n
c) M is the father of P <\/p>\n\n\n\n
d) M is the son of P<\/p>\n\n\n\n
Answer: a) M is the brother-in-law of P<\/strong> <\/p>\n\n\n\nSolution:<\/strong> M is the brother of N \u2192 N is the sister of O \u2192 O is the husband of P. Since M is the brother of P’s husband’s sister, M is P’s brother-in-law.<\/p>\n\n\n\nQuestion 19<\/strong><\/p>\n\n\n\nPointing to a lady, Meera said, “She is the daughter-in-law of the grandmother of my father’s only son.” How is the lady related to Meera? <\/p>\n\n\n\n
a) Sister-in-law <\/p>\n\n\n\n
b) Mother <\/p>\n\n\n\n
c) Aunt <\/p>\n\n\n\n
d) Sister<\/p>\n\n\n\n
Answer: b) Mother<\/strong> <\/p>\n\n\n\nSolution:<\/strong> “My father’s only son” = Meera’s brother or Meera herself (if male). Grandmother of father’s son = Father’s mother. Daughter-in-law of father’s mother = Father’s wife = Meera’s mother.<\/p>\n\n\n\nQuestion 20<\/strong><\/p>\n\n\n\nA and B are a married couple. X and Y are brothers. X is the brother of A. How is Y related to B?\u00a0<\/p>\n\n\n\n
a) Brother-in-law <\/p>\n\n\n\n
b) Brother <\/p>\n\n\n\n
c) Cousin <\/p>\n\n\n\n
d) Son-in-law<\/p>\n\n\n\n
Answer: a) Brother-in-law<\/strong> <\/p>\n\n\n\nSolution:<\/strong> X is the brother of A \u2192 A and B are married \u2192 Y is the brother of X. Since Y is the brother of B’s spouse’s brother, Y is B’s brother-in-law.<\/p>\n\n\n\nQuestion 21<\/strong><\/p>\n\n\n\nRavi said, “The woman who is playing cards is the daughter of the father of my wife’s daughter.” How is the woman related to Ravi? <\/p>\n\n\n\n
a) Wife <\/p>\n\n\n\n
b) Mother-in-law <\/p>\n\n\n\n
c) Daughter <\/p>\n\n\n\n
d) Sister-in-law<\/p>\n\n\n\n
Answer: a) Wife<\/strong> <\/p>\n\n\n\nSolution:<\/strong> “My wife’s daughter” = Ravi’s daughter. “Father of my wife’s daughter” = Ravi himself. “Daughter of father” = Ravi’s daughter or wife. Since it’s a woman playing cards, it’s likely Ravi’s wife.<\/p>\n\n\n\nQuestion 22<\/strong><\/p>\n\n\n\nP and Q are brothers. R and S are sisters. P’s son is S’s brother. How is Q related to R? <\/p>\n\n\n\n
a) Uncle <\/p>\n\n\n\n
b) Father <\/p>\n\n\n\n
c) Brother <\/p>\n\n\n\n
d) Nephew<\/p>\n\n\n\n
Answer: a) Uncle<\/strong> <\/p>\n\n\n\nSolution:<\/strong> P’s son is S’s brother \u2192 P is father of S \u2192 R and S are sisters \u2192 P is also father of R. Since P and Q are brothers, Q is uncle of R.<\/p>\n\n\n\nQuestion 23<\/strong><\/p>\n\n\n\nA man said to a woman, “Your only brother’s son is my wife’s brother.” How is the woman related to the man’s wife? <\/p>\n\n\n\n
a) Sister <\/p>\n\n\n\n
b) Mother-in-law <\/p>\n\n\n\n
c) Mother <\/p>\n\n\n\n
d) Sister-in-law<\/p>\n\n\n\n
Answer: c) Mother<\/strong> <\/p>\n\n\n\nSolution:<\/strong> Woman’s brother’s son = Woman’s nephew. If a woman’s nephew is a man’s wife’s brother, then the woman is the mother of the man’s wife.<\/p>\n\n\n\nQuestion 24<\/strong><\/p>\n\n\n\nIf A \u00d7 B means A is the sister of B, A + B means A is the mother of B, A \u00f7 B means A is the brother of B, then which of the following means M is the maternal uncle of N? <\/p>\n\n\n\n
a) M \u00f7 P + N <\/p>\n\n\n\n
b) M \u00d7 P + N<\/p>\n\n\n\n
c) M + P \u00d7 N <\/p>\n\n\n\n
d) P + N \u00f7 M<\/p>\n\n\n\n
Answer: a) M \u00f7 P + N<\/strong> <\/p>\n\n\n\nSolution:<\/strong> For M to be the maternal uncle of N, M should be the brother of N’s mother. M \u00f7 P (M is brother of P) + P + N (P is mother of N) = M is maternal uncle of N.<\/p>\n\n\n\nQuestion 25<\/strong><\/p>\n\n\n\nSeema said, “This man’s daughter is the only daughter-in-law of my mother.” How is Seema related to the man? <\/p>\n\n\n\n
a) Wife <\/p>\n\n\n\n
b) Daughter-in-law <\/p>\n\n\n\n
c) Sister-in-law <\/p>\n\n\n\n
d) Mother-in-law<\/p>\n\n\n\n
Answer: d) Mother-in-law<\/strong> <\/p>\n\n\n\nSolution:<\/strong> “Only daughter-in-law of my mother” = Seema’s sister-in-law (wife of Seema’s brother). If a man’s daughter is Seema’s sister-in-law, then Seema is the man’s daughter-in-law’s mother-in-law.<\/p>\n\n\n\nQuestion 26<\/strong><\/p>\n\n\n\nA woman introduces a man as the son of her mother’s only son. How is the man related to the woman? <\/p>\n\n\n\n
a) Son <\/p>\n\n\n\n
b) Brother <\/p>\n\n\n\n
c) Nephew <\/p>\n\n\n\n
d) Cousin<\/p>\n\n\n\n
Answer: a) Son<\/strong> <\/p>\n\n\n\nSolution:<\/strong> “My mother’s only son” = The woman’s brother (or herself if she has no brothers but is male, which is impossible). Most likely, it means her brother. “Son of her brother” = Her nephew. But if “only son” refers to the woman herself in a male context, then it’s her son.<\/p>\n\n\n\nQuestion 27<\/strong><\/p>\n\n\n\nPointing to a man in a photograph, Asha said, “His mother’s only daughter is my mother.” How is Asha related to the man? <\/p>\n\n\n\n
a) Niece <\/p>\n\n\n\n
b) Sister <\/p>\n\n\n\n
c) Mother <\/p>\n\n\n\n
d) Daughter<\/p>\n\n\n\n
Answer: a) Niece<\/strong> <\/p>\n\n\n\nSolution:<\/strong> “His mother’s only daughter” = His sister. If his sister is Asha’s mother, then Asha is the man’s niece.<\/p>\n\n\n\nQuestion 28<\/strong><\/p>\n\n\n\nIf P $ Q means P is the father of Q, P # Q means P is the mother of Q, P * Q means P is the sister of Q, then how is A related to C in A # B $ C? <\/p>\n\n\n\n
a) Mother <\/p>\n\n\n\n
b) Grandmother<\/p>\n\n\n\n
c) Sister <\/p>\n\n\n\n
d) Aunt<\/p>\n\n\n\n
Answer: b) Grandmother<\/strong> <\/p>\n\n\n\nSolution:<\/strong> A # B (A is the mother of B) $ B $ C (B is the father of C). So A is the mother of B, and B is the father of C. Therefore, A is the grandmother of C.<\/p>\n\n\n\nQuestion 29<\/strong><\/p>\n\n\n\nA man’s photograph is shown to Rajesh. Rajesh said, “His brother is the father of my daughter’s mother.” How is the man related to Rajesh? <\/p>\n\n\n\n
a) Brother-in-law <\/p>\n\n\n\n
b) Uncle <\/p>\n\n\n\n
c) Brother <\/p>\n\n\n\n
d) Father<\/p>\n\n\n\n
Answer: b) Uncle<\/strong> <\/p>\n\n\n\nSolution:<\/strong> “My daughter’s mother” = Rajesh’s wife. “Father of my wife” = Rajesh’s father-in-law. If Rajesh’s father-in-law is his brother, then the man is Rajesh’s wife’s uncle, making him Rajesh’s uncle-in-law or uncle.<\/p>\n\n\n\nQuestion 30<\/strong><\/p>\n\n\n\nNeha said, “Pointing to a boy in the photograph, he is the son of the only son of my grandfather.” How is the boy related to Neha? <\/p>\n\n\n\n
a) Brother <\/p>\n\n\n\n
b) Cousin <\/p>\n\n\n\n
c) Uncle <\/p>\n\n\n\n
d) Nephew<\/p>\n\n\n\n
Answer: a) Brother<\/strong> Solution:<\/strong> “Only son of my grandfather” = Neha’s father. “Son of my father” = Neha’s brother.<\/p>\n\n\n\nAlso Read: <\/strong>20+ Questions of Arithmetic Reasoning<\/strong><\/a><\/p>\n\n\n\nTips for Solving Blood Relations Questions<\/span><\/h2>\n\n\n\nEven after knowing the tricks, small mistakes like misreading gender or overlooking the word \u201conly\u201d can cost you marks. This section shares battle-tested, expert tips that eliminate 95% of common errors in blood relations questions. Follow these guidelines during your practice and watch your speed and accuracy skyrocket in the actual exam.<\/p>\n\n\n\n
\nDraw family trees when complex relationships are involved.<\/li>\n\n\n\n Pay attention to gender indicators in the language.<\/li>\n\n\n\n Work step by step, breaking down complex statements.<\/li>\n\n\n\n Remember that “only son” or “only daughter” indicates there’s just one child of that gender.<\/li>\n\n\n\n Practice identifying coded relationships (\u00d7, +, $, %, \u00f7 symbols).<\/li>\n\n\n\n Be careful with terms like “mother-in-law,” “sister-in-law,” etc.<\/li>\n\n\n\n Read the question carefully – sometimes the question asks for a specific person’s relationship, not the speaker’s.<\/li>\n<\/ol>\n\n\n\nBy the end of this guide, you\u2019ll have everything you need to dominate blood relations questions in any competitive exam. Consistent practice using the terms, tricks, and questions provided here will turn this topic into one of your strongest areas. Start applying these methods today, track your progress with daily quizzes, and walk into your exam confident of scoring full marks in blood relations!<\/p>\n\n\n\n
FAQs<\/span><\/h2>\n\n\n\nWhat is the easiest way to avoid confusion between maternal and paternal relations in questions?<\/strong> The easiest way to avoid maternal\/paternal confusion, always mark genders clearly (F\/M) and label sides as \u201cFather\u2019s side\u201d and \u201cMother\u2019s side\u201d from the beginning. Use \u201cP\u201d for paternal, \u201cM\u201d for maternal in your diagram.<\/p> <\/div>
How can I avoid mixing up \u2018in-laws\u2019 with blood relatives in question?<\/strong> Avoid mixing in-laws with blood relatives by drawing two separate layers or using different symbols\/shading: solid lines for blood relations, dotted lines for in-laws. Never assume spouse = blood relative.<\/p> <\/div>
What are the most common mistakes students make while solving blood relation questions?<\/strong> The most common mistakes are assuming gender (he\/she), confusing brother-in-law\/sister-in-law types, ignoring \u201conly son\/daughter,\u201d mixing generations, and not drawing a diagram in complex questions.<\/p> <\/div>
How do I interpret terms like \u2018only son,\u2019 \u2018only daughter,\u2019 and \u2018elder\/younger\u2019 effectively to eliminate options?<\/strong> To interpret \u201conly son,\u201d \u201conly daughter,\u201d and \u201celder\/younger\u201d effectively in blood relation questions, remember that \u201conly son of X\u201d means X has exactly one son (so the person is definitely male with no brothers), and \u201conly daughter of X\u201d means X has exactly one daughter (definitely female with no sisters). These phrases fix the gender and rule out same-gender siblings instantly. Similarly, \u201celder\u201d or \u201cyounger\u201d provides a clear age hierarchy, helping eliminate wrong options immediately in age-comparison questions.<\/p> <\/div>
How do I solve questions that mix blood relation and direction sense (e.g., \u2018the person standing to the left of my brother\u2019s wife\u2026\u2019)?<\/strong> For Blood relation and direction sense questions, first solve the blood relation completely (who is who), then apply directions only to the final positions. Treat the identified person as the reference point for left\/right.<\/p> <\/div>
How do I improve speed when solving blood relation questions in competitive exams?<\/strong> To improve speed when solving blood relation questions in competitive exams, practice daily with the diagram method, learn standard codes (+male, -female, \u2192 spouse), memorise in-law patterns, and solve 20\u201330 questions timed. Speed comes from perfect diagramming habit, not shortcuts.<\/p> <\/div> <\/div>\n\n\n\n
RELATED BLOGS<\/strong><\/p>\n\n\n\n