Blood Relations MCQs set 2 for ISSB - Pak Navy Officer Selection intelligence — 20 solved questions.
Q1. Pointing to a photo, he said 'His mother is my mother only son's wife.' Relation?
Answer: Son
Explanation: My mother's only son is me so he is my son. Identify the relationship between the pair, then apply the same logic to the choices.
Q2. M is N's sister. N is O's father. M is O's ?
Answer: Aunt
Explanation: M is sister of O's father so M is O's aunt. Identify the relationship between the pair, then apply the same logic to the choices.
Q3. A's father is B. B's daughter is C. A and C are ?
Answer: Siblings
Explanation: B is father of both A and C so they are siblings.
Q4. X is married to Y. Z is X's only brother. Z is Y's ?
Answer: Brother-in-law
Explanation: X's brother is Y's brother-in-law by marriage. Work each step carefully; ISSB math rewards accuracy under time pressure.
Q5. P is Q's mother. R is P's father. R is Q's ?
Answer: Grandfather
Explanation: P's father R is grandfather of Q. Identify the relationship between the pair, then apply the same logic to the choices.
Q6. A is B's sister. B is C's mother. A is C's ?
Answer: Aunt
Explanation: A is sister of C's parent so A is aunt. Identify the relationship between the pair, then apply the same logic to the choices.
Q7. Father's only daughter is my ?
Answer: Sister
Explanation: Father's only daughter is sister to me. Identify the relationship between the pair, then apply the same logic to the choices.
Q8. X's mother is Y. Y's husband is Z. Z is X's ?
Answer: Father
Explanation: Y's husband is X's father. Work each step carefully; ISSB math rewards accuracy under time pressure.
Q9. P is Q's brother. R is Q's mother. P is R's ?
Answer: Son
Explanation: P is son of R since R is mother of Q and P.
Q10. Only brother of my mother is my ?
Answer: Uncle
Explanation: Mother's brother is maternal uncle. Identify the relationship between the pair, then apply the same logic to the choices.
Q11. A is father of B. C is mother of B. A is C's ?
Answer: Husband
Explanation: A and C are parents of B so A is C's husband.
Q12. P is Q's only son. R is Q's daughter. P is R's ?
Answer: Brother
Explanation: P and R share parent Q so they are siblings. Identify the relationship between the pair, then apply the same logic to the choices.
Q13. M's father is N. O is M's son. N is O's ?
Answer: Grandfather
Explanation: N is father of M and M is parent of O so N is grandfather.
Q14. X says Y is his sister. Z is Y's father. Z is X's ?
Answer: Uncle
Explanation: Y's father Z is X's uncle if X and Y are cousins.
Q15. A woman says pointing to a man: he is my mother's husband. The man is her ?
Answer: Father
Explanation: Mother's husband is her father. Identify the relationship between the pair, then apply the same logic to the choices.
Q16. Brother of my father is my ?
Answer: Uncle
Explanation: Father's brother is called uncle. Identify the relationship between the pair, then apply the same logic to the choices.
Q17. F is G's mother. H is G's father. F is H's ?
Answer: Wife
Explanation: F and H are parents of G so F is H's wife.
Q18. P's daughter is Q. R is P's wife. Q is R's ?
Answer: Daughter
Explanation: P and R's daughter is Q. Identify the relationship between the pair, then apply the same logic to the choices.
Q19. S is T's brother. U is S's father. U is T's ?
Answer: Father
Explanation: S and T share father U. Identify the relationship between the pair, then apply the same logic to the choices.
Q20. X is Y's husband. Z is X's father. Z is Y's ?
Answer: Father-in-law
Explanation: X's father Z is Y's father-in-law. Father-in-law is correct because it matches what the question requires. Spot the relationship or pattern quickly under ISSB time limits.