CA Foundation P3 · Chapter 12

Blood Relations MCQs with Answers

8 multiple-choice questions on Blood Relations for CA Foundation P3 Quantitative Aptitude. Try each one before revealing the answer and explanation.

1. Question 1

   Pointing to a man, Neha says, "He is the son of my paternal grandfather's only son." How is the man related to Neha?

   • A) Brother
   • B) Cousin
   • C) Father
   • D) Uncle
   Show answer & explanation

   Answer: A) Brother

   Neha's paternal grandfather's only son is Neha's father. The son of Neha's father is Neha's brother. (The word 'paternal' rules out the maternal grandfather, whose son's son would be a cousin.)

2. Question 2

   A is B's sister. C is B's mother. D is C's father. How is A related to D?

   • A) Daughter
   • B) Niece
   • C) Granddaughter
   • D) Great-granddaughter
   Show answer & explanation

   Answer: C) Granddaughter

   A is the sister of B, and C is B's mother, so A is C's daughter. D is C's father, so A is the daughter of D's daughter, i.e. D's granddaughter.

3. Question 3

   X is the brother of Y. Y is the daughter of Z. Z is the husband of W. How is X related to W?

   • A) Brother
   • B) Nephew
   • C) Husband
   • D) Son
   Show answer & explanation

   Answer: D) Son

   Y is the daughter of Z and W (Z is W's husband). X is Y's brother, so X is also a child of Z and W. Being male (brother), X is W's son.

4. Question 4

   P + Q means P is the father of Q; P − Q means P is the wife of Q; P × Q means P is the brother of Q; P ÷ Q means P is the daughter of Q. What does A ÷ B + C × D mean?

   • A) A is the sister of D
   • B) A is the daughter of D
   • C) A is the mother of D
   • D) A is the niece of D
   Show answer & explanation

   Answer: A) A is the sister of D

   A ÷ B: A is B's daughter. B + C: B is C's father. C × D: C is D's brother, so D is also B's child. A and D are both children of B and A is female, so A is D's sister.

5. Question 5

   Introducing a woman, a man says, "Her mother is the only daughter of my mother." How is the woman related to the man?

   • A) Sister
   • B) Niece
   • C) Daughter
   • D) Cousin
   Show answer & explanation

   Answer: B) Niece

   The only daughter of the man's mother is the man's sister. The woman is the daughter of the man's sister, so she is his niece.

6. Question 6

   M is the son of N. N and O are sisters. P is the mother of O. Q is the son of P. How is Q related to M?

   • A) Grandfather
   • B) Brother
   • C) Cousin
   • D) Maternal uncle
   Show answer & explanation

   Answer: D) Maternal uncle

   N and O are sisters and P is O's mother, so P is also N's mother. Q, P's son, is the brother of N. N is M's mother, so Q is M's mother's brother, i.e. maternal uncle.

7. Question 7

   Pointing to a photograph, Arun says, "The man in this photograph is the father of the only daughter of my wife's father-in-law's only son." Whose photograph is it?

   • A) Arun's father
   • B) Arun's son
   • C) Arun himself
   • D) Arun's son-in-law
   Show answer & explanation

   Answer: C) Arun himself

   Arun's wife's father-in-law is Arun's father. The only son of Arun's father is Arun himself. The father of Arun's only daughter is Arun. Hence the photograph is of Arun.

8. Question 8

   D is the brother of E. F is the mother of D. G is the father of F. The gender of E is not known. How is E related to G?

   • A) Grandson
   • B) Grandchild
   • C) Granddaughter
   • D) Son
   Show answer & explanation

   Answer: B) Grandchild

   E is a sibling of D, so F is also E's mother. G is F's father, so E is G's grandchild. Since E's gender is not given, we cannot say grandson or granddaughter.