Blood Relation Quiz
Free practice quiz on Blood Relation Quiz with detailed solutions for government exam preparation.
About This Quiz
Blood Relation Quiz — Questions with Solutions
All 25 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.
Q1.Pointing to a photograph, Ravi said, 'She is the daughter of my grandfather's only son.' How is she related to Ravi?
- A.Sister
- B.Mother
- C.Cousin
- D.Aunt
Show answer
Answer: A. Sister
'My grandfather's only son' is Ravi's father, so she is Ravi's sister.
Q2.A is the father of B. B is the sister of C. How is A related to C?
- A.Father
- B.Uncle
- C.Grandfather
- D.Brother
Show answer
Answer: A. Father
Since B and C are siblings, A (B's father) is also C's father.
Q3.P is the mother of Q. R is the father of Q. How is R related to P?
- A.Husband
- B.Brother
- C.Son
- D.Father
Show answer
Answer: A. Husband
R and P are Q's parents, so R is P's husband.
Q4.X is the son of Y. Y is the daughter of Z. How is X related to Z?
- A.Grandson
- B.Son
- C.Nephew
- D.Brother
Show answer
Answer: A. Grandson
Z is Y's parent, and Y is X's parent, so X is Z's grandson.
Q5.Introducing a man, a woman said, 'He is the son of my mother's only daughter.' How is the man related to the woman?
- A.Son
- B.Brother
- C.Nephew
- D.Father
Show answer
Answer: A. Son
'My mother's only daughter' is the woman herself, so the man is her son.
Q6.A's father is B's son. How is A related to B?
- A.Grandson
- B.Son
- C.Father
- D.Brother
Show answer
Answer: A. Grandson
B's son is A's father, so B is A's grandfather, making A the grandson.
Q7.M is the brother of N. N is the sister of O. How is M related to O?
- A.Brother
- B.Sister
- C.Cousin
- D.Uncle
Show answer
Answer: A. Brother
Since M is male and shares parents with N and O, M is O's brother.
Q8.P's mother is Q's sister. How is Q related to P?
- A.Aunt or Uncle
- B.Mother
- C.Sister
- D.Grandmother
Show answer
Answer: A. Aunt or Uncle
Q, being P's mother's sibling, is P's aunt or uncle.
Q9.A man said, 'This girl is the wife of my only son.' How is the girl related to the man?
- A.Daughter-in-law
- B.Daughter
- C.Niece
- D.Sister
Show answer
Answer: A. Daughter-in-law
The wife of one's son is one's daughter-in-law.
Q10.R is the daughter of S. S is the brother of T. How is R related to T?
- A.Niece
- B.Daughter
- C.Sister
- D.Cousin
Show answer
Answer: A. Niece
Since S and T are siblings, S's daughter R is T's niece.
Q11.A is B's sister. C is B's mother. D is C's father. How is A related to D?
- A.Granddaughter
- B.Daughter
- C.Niece
- D.Sister
Show answer
Answer: A. Granddaughter
D is C's father, C is B's mother, and A is B's sister, so D is A's grandfather, making A his granddaughter.
Q12.Pointing to a boy, a woman says, 'His mother is the only daughter of my mother.' How is the woman related to the boy?
- A.Mother
- B.Aunt
- C.Grandmother
- D.Sister
Show answer
Answer: A. Mother
'The only daughter of my mother' is the woman herself, so she is the boy's mother.
Q13.X and Y are siblings. Z is X's father. How is Z related to Y?
- A.Father
- B.Uncle
- C.Brother
- D.Grandfather
Show answer
Answer: A. Father
Since X and Y are siblings, Z (X's father) is also Y's father.
Q14.A is the husband of B. C is the son of B. How is A related to C?
- A.Father
- B.Uncle
- C.Brother
- D.Grandfather
Show answer
Answer: A. Father
A is B's husband, and C is B's son, so A is C's father.
Q15.P is Q's father. Q is R's sister. How is P related to R?
- A.Father
- B.Uncle
- C.Brother
- D.Grandfather
Show answer
Answer: A. Father
Since Q and R are siblings, P (Q's father) is also R's father.
Q16.A woman introduces a man as 'the son of my husband's father.' If the woman has no siblings-in-law, how is the man related to her?
- A.Husband or brother-in-law
- B.Son
- C.Father
- D.Nephew
Show answer
Answer: A. Husband or brother-in-law
'My husband's father's son' would be her husband himself (or a brother-in-law if more sons exist).
Q17.M is the father of N. N is the mother of O. How is M related to O?
- A.Grandfather
- B.Father
- C.Uncle
- D.Brother
Show answer
Answer: A. Grandfather
M is N's father, and N is O's mother, so M is O's grandfather.
Q18.A and B are brothers. C is A's daughter. How is C related to B?
- A.Niece
- B.Daughter
- C.Sister
- D.Cousin
Show answer
Answer: A. Niece
Since A and B are brothers, A's daughter C is B's niece.
Q19.P is the sister of Q. R is the father of P. How is R related to Q?
- A.Father
- B.Uncle
- C.Brother
- D.Grandfather
Show answer
Answer: A. Father
Since P and Q are siblings, R (P's father) is also Q's father.
Q20.A introduces B saying, 'B is the brother of my father.' How is B related to A?
- A.Uncle
- B.Father
- C.Cousin
- D.Grandfather
Show answer
Answer: A. Uncle
The brother of one's father is one's uncle.
Q21.X is the mother of Y. Y is the father of Z. How is X related to Z?
- A.Grandmother
- B.Mother
- C.Aunt
- D.Sister
Show answer
Answer: A. Grandmother
X is Y's mother, and Y is Z's father, so X is Z's grandmother.
Q22.A man says, 'My wife's sister's husband is my brother-in-law.' What is the relation between the man's wife and this brother-in-law?
- A.Sister-in-law's husband, i.e. related by marriage
- B.Brother
- C.Father
- D.Son
Show answer
Answer: A. Sister-in-law's husband, i.e. related by marriage
The wife's sister's husband is related to the wife through marriage, making them relatives by marriage.
Q23.A is C's brother. B is C's mother. D is B's husband. How is D related to A?
- A.Father
- B.Uncle
- C.Grandfather
- D.Brother
Show answer
Answer: A. Father
B is D's wife, and both are A's and C's parents, so D is A's father.
Q24.Two sisters, P and Q, have a common brother R. How is R related to P's daughter?
- A.Uncle
- B.Father
- C.Grandfather
- D.Cousin
Show answer
Answer: A. Uncle
R, being P's brother, is the uncle of P's daughter.
Q25.A father says to his son, 'I was as old as you are now when you were born.' If the father is now 38, and the son is 14, what was the father's age when the son was born?
- A.14
- B.24
- C.28
- D.38
Show answer
Answer: B. 24
Father's age at son's birth = 38 - 14 = 24.
Frequently Asked Questions
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Blood Relation Quiz runs on a 25-minute timer in real exam-style conditions. The clock starts the moment you click Start, mirroring the time pressure of the actual exam.
Are detailed solutions provided?
Yes. Every question on Blood Relation Quiz ships with a complete step-by-step solution, the underlying concept, and (where applicable) shortcut tricks. You can also discuss any question with the AajExam community.
Can I attempt Blood Relation Quiz multiple times?
Yes. You can attempt this quiz as many times as you like. Each attempt is recorded separately so you can track improvement in score, accuracy and time-management.
Which government exams does this quiz prepare me for?
Blood Relation questions appear regularly in SSC CGL, CHSL, MTS, GD; IBPS PO, Clerk; SBI PO, Clerk; RRB NTPC, Group D; UPSC prelims and most State PSC exams. The specific weightage varies by exam — check the exam pattern on the corresponding AajExam exam page for details.