Blood Relations questions with solutions

1. Question 1Easy

   Pointing to a girl, a man said, 'She is the daughter of my grandfather's only son.' How is the girl related to the man?

   • A.SisterCorrect
   • B.Daughter
   • C.Mother
   • D.Niece
   Show solution

   The grandfather's only son is the man's own father. The father's daughter is therefore the man's sister.

2. Question 2Easy

   X is the father of Y but Y is not the son of X. How is Y related to X?

   • A.DaughterCorrect
   • B.Son
   • C.Nephew
   • D.Brother
   • E.Cannot be determined
   Show solution

   Y is X’s child but not his son, so Y is his daughter.

3. Question 3Easy

   A is the father of B. B is the father of C. How is A related to C?

   • A.GrandfatherCorrect
   • B.Father
   • C.Uncle
   • D.Brother
   Show solution

   A is B's father and B is C's father, so A is C's grandfather (father's father).

4. Question 4Easy

   Pointing to a man in a photograph, Ravi says, 'His mother is the only daughter of my mother.' How is the man related to Ravi?

   • A.SonCorrect
   • B.Brother
   • C.Nephew
   • D.Uncle
   Show solution

   The only daughter of Ravi's mother is Ravi's sister (or Ravi himself if female — here Ravi is male). The man's mother is that daughter, so the man is Ravi's son.

5. Question 5Easy

   M is the brother of N. N is the sister of P. How is M related to P?

   • A.BrotherCorrect
   • B.Sister
   • C.Cousin
   • D.Uncle
   Show solution

   M and N are siblings, and N and P are siblings, so M and P are siblings. Since M is male, M is P's brother.

6. Question 6Easy

   A is the mother of B. B is the brother of C. C is the daughter of D. How is A related to D?

   • A.Sister
   • B.WifeCorrect
   • C.Daughter
   • D.Mother
   • E.Cannot be determined
   Show solution

   B and C are siblings, so they share parents. A is the mother of both, and D is a parent of C. Since the mother's place is already taken by A, D must be the father. A is therefore D's wife. Drawing two levels, parents on top and children below, makes these questions mechanical rather than verbal.

7. Question 7Easy

   A is the son of B, and C is the mother of B. How is C related to A?

   • A.Aunt
   • B.GrandmotherCorrect
   • C.Sister
   • D.Mother
   Show solution

   C is B’s mother and A is B’s son, so C is A’s grandmother.

8. Question 8Easy

   Pointing to a woman, Ravi said, 'She is the daughter of my mother's only son.' How is the woman related to Ravi?

   • A.DaughterCorrect
   • B.Sister
   • C.Niece
   • D.Cousin
   Show solution

   Ravi's mother's only son is Ravi himself. The woman is the daughter of Ravi, so she is Ravi's daughter.

9. Question 9Easy

   How is your mother's brother's son related to you?

   • A.CousinCorrect
   • B.Uncle
   • C.Brother
   • D.Nephew
   Show solution

   Your mother's brother is your maternal uncle, and his son is your cousin.

10. Question 10Moderate

    Pointing to a photograph, a man said, 'She is the daughter of the only son of my father.' How is the woman related to the man?

    • A.Sister
    • B.Niece
    • C.Wife
    • D.DaughterCorrect
    • E.Mother
    Show solution

    The only son of the man's father is the man himself, so she is his daughter.

11. Question 11Moderate

    If P is the sister of Q, and Q is the son of R, how is P related to R?

    • A.Niece
    • B.Mother
    • C.Son
    • D.Sister
    • E.DaughterCorrect
    Show solution

    Q is R’s son and P is Q’s sister, so P is R’s daughter.

12. Question 12Moderate

    Introducing a man, a woman said, 'His mother is the only daughter of my mother.' How is the woman related to the man?

    • A.Sister
    • B.MotherCorrect
    • C.Aunt
    • D.Grandmother
    • E.Daughter
    Show solution

    The only daughter of the woman's mother is the woman herself. So the man's mother is the woman, which means the woman is the man's mother.

These are 12 of 35 blood relations questions in the bank. Attempt the rest with instant feedback in the practice drills, or under a clock in the mock tests.