ISSB Academic & Intelligence Test intelligence Blood Relations MCQs with Answers

ISSB Academic & Intelligence Test intelligence: Blood Relations MCQs — sample questions

Question 1
Q1. A is B's brother. C is A's mother. D is C's father. How is B related to D?
- A) Granddaughter/Grandson
- B) Daughter/Son
- C) Sister
- D) Cannot determine
Answer: Granddaughter/Grandson
Explanation: C is mother of A and B (siblings). D is C's father → D is grandfather of B. Blood relation questions need a quick family tree sketch.
Question 2
Q2. Pointing to a photo, Ali said "He is the only son of my mother's mother." Who is in the photo?
- A) Ali's uncle
- B) Ali's brother
- C) Ali himself
- D) Ali's father
Answer: Ali's uncle
Explanation: Mother's mother = maternal grandmother. Her only son = Ali's maternal uncle (mamoo). Classic ISSB blood-relation phrasing.
Question 3
Q3. Photo: 'only son of my mother's mother.' Who?
- A) Father
- B) Maternal uncle
- C) Brother
- D) Maternal grandfather
Answer: Maternal uncle
Explanation: Grandmother's son = maternal uncle (mamoo). Identify the relationship between the pair, then apply the same logic to the choices.
Question 4
Q4. A is father of B. C is daughter of B. D is brother of A. D is related to C as?
- A) Father
- B) Grandfather
- C) Great-uncle
- D) Uncle
Answer: Uncle
Explanation: D is B's uncle, hence C's paternal uncle. Identify the relationship between the pair, then apply the same logic to the choices.
Question 5
Q5. Pointing to a photo, he said 'She is daughter of my father's only son.' Who is she?
- A) Sister
- B) Daughter
- C) Niece
- D) Cousin
Answer: Daughter
Explanation: Father's only son = speaker himself. Daughter of self = his daughter.
Question 6
Q6. Mother of your mother is your:
- A) Aunt
- B) Grandmother
- C) Sister
- D) Cousin
Answer: Grandmother
Explanation: Your mother's mother is your grandmother. Basic blood relation item. Identify the relationship between the pair, then apply the same logic to the choices.
Question 7
Q7. A is B's brother. C is A's mother. C is B's:
- A) Sister
- B) Mother
- C) Aunt
- D) Cousin
Answer: Mother
Explanation: Mother of one sibling is mother of the other. Straight family tree.
Question 8
Q8. Father of your father is your:
- A) Uncle
- B) Grandfather
- C) Brother
- D) Cousin
Answer: Grandfather
Explanation: Direct upward relation. Basic blood relation question. Identify the relationship between the pair, then apply the same logic to the choices.
Question 9
Q9. Pointing to a photograph, Ali says, 'He is the son of my father's only son.' Who is in the photograph if Ali has no brother?
- A) Ali's father
- B) Ali's brother
- C) Ali's son
- D) Ali's uncle
Answer: Ali's son
Explanation: Ali's father's only son is Ali himself. The son of Ali is Ali's son, so the photograph shows Ali's son.
Question 10
Q10. A is the brother of B. B is the sister of C. C is the father of D. How is A related to D?
- A) Father
- B) Uncle
- C) Brother
- D) Cousin
Answer: Uncle
Explanation: A and B are siblings, and C is also their sibling and is D's father. Therefore A is D's uncle.
Question 11
Q11. Pointing to a man, Ayesha says, 'He is the son of my father's only son.' Who is the man to Ayesha if she has one brother?
- A) Brother
- B) Uncle
- C) Nephew
- D) Cousin
Answer: Nephew
Explanation: Ayesha's father's only son is her brother. The son of her brother is her nephew.
Question 12
Q12. Pointing to a girl, Raza says, 'She is the daughter of my mother's only son.' Who is the girl to Raza?
- A) Sister
- B) Daughter
- C) Niece
- D) Cousin
Answer: Daughter
Explanation: Raza's mother's only son is Raza himself. His daughter is the girl.
Question 13
Q13. 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) Sister
- D) Niece
Answer: Granddaughter
Explanation: C is mother of A, and D is father of C, so D is grandfather of A. A is D's granddaughter.
Question 14
Q14. A is B's brother. C is A's mother. How is C related to B?
- A) Sister
- B) Mother
- C) Aunt
- D) Daughter
Answer: Mother
Explanation: C is mother of A and therefore also mother of B. Identify the relationship between the pair, then apply the same logic to the choices.
Question 15
Q15. Pointing to a boy, A says he is my mother's only son's son. Who is boy to A?
- A) Brother
- B) Son
- C) Nephew
- D) Uncle
Answer: Son
Explanation: A's mother's only son is A. The boy is A's son. Identify the relationship between the pair, then apply the same logic to the choices.
Question 16
Q16. A is B's father. C is A's sister. How is C related to B?
- A) Mother
- B) Aunt
- C) Sister
- D) Niece
Answer: Aunt
Explanation: C is sister of A, so C is aunt of B. Identify the relationship between the pair, then apply the same logic to the choices.
Question 17
Q17. A is B's father. B is C's mother. How is A related to C?
- A) Father
- B) Grandfather
- C) Uncle
- D) Brother
Answer: Grandfather
Explanation: A is father of B, and B is mother of C, so A is grandfather of C.
Question 18
Q18. Pointing to a man, A says he is my father's only brother's son. Who is man to A?
- A) Brother
- B) Cousin
- C) Uncle
- D) Nephew
Answer: Cousin
Explanation: Father's only brother is uncle. Uncle's son is cousin. Identify the relationship between the pair, then apply the same logic to the choices.
Question 19
Q19. A is B's sister. C is B's son. How is A related to C?
- A) Mother
- B) Aunt
- C) Sister
- D) Niece
Answer: Aunt
Explanation: A is sister of B, so A is aunt of C. Identify the relationship between the pair, then apply the same logic to the choices.
Question 20
Q20. A is B's father. B is C's father. A is C's ?
- A) Brother
- B) Grandfather
- C) Uncle
- D) Son
Answer: Grandfather
Explanation: A is father of B and B is father of C so A is grandfather.