RICE

Blood Relation

Introduction

Blood Relation is an important topic which tests the ability to identify family relationships through given statements, coded relations, and family-tree problems.Understanding relationships, identifying gender, and drawing family trees help solve these questions quickly and accurately.

Important termology

  • Paternal: Related through the father (e.g., Paternal Uncle = Father’s brother).
  • Maternal: Related through the mother (e.g., Maternal Grandfather = Mother’s father).
  • Niece / Nephew: Brother’s or sister’s daughter / son.
  • Cousin: Children of paternal or maternal uncles/aunts.
  • Daughter-in-law: Son’s wife.
  • Sister-in-law: Brother’s wife, spouse’s sister, or spouse’s brother’s wife.

Understanding generation hierarchy through a family tree

Understanding generation hierarchy through a family tree

Practice Questions: Blood Relations

Q1. Pointing to a person, a man said, “The father of that person is the only son of my father.” How is the man related to that person?

(A) Uncle
(B) Father
(C) Grandfather
(D) Son

Diagram:

Grandfather (+) = Grandmother (-)
↓
Man (+) = Spouse (-)

↓

Person (+)

Solution: “The only son of my father” refers to the man himself. Since the father of that person is the man himself, the man is the Father of that person (B)

Q2. A is the brother of B. B is the daughter of C. C is married to D. How is A related to D?

(A) Son
(B) Nephew
(C) Brother
(D) Father

Diagram:

D (-) = C (+)

↓

A (+) —— B (-)

Solution: C and D are married parents. B is their daughter, and A is B’s brother, making A the son of C and D. Therefore, A is the Son of D (A)

Q3. P is the father of Q. Q is the sister of R. R is the mother of S. How is P related to S?

(A) Paternal Grandfather
(B) Maternal Grandfather
(C) Uncle
(D) Father

Diagram:

         P (+)
         ↓
         Q (-) ------ R (-)
                      ↓
                      S (+)

Solution: P is the father of R (since Q and R are siblings). R is the mother of S. Therefore, P is the Maternal Grandfather of S (B)

Q4. A is the mother of B. B is the sister of C. C is the father of D. How is A related to D?

(A) Maternal Grandmother
(B) Paternal Grandmother
(C) Aunt
(D) Mother

Diagram:

         A (-)
         ↓
         B (-) ------ C (+)
                      ↓
                      D (+)

Solution: A is the mother of C (since B and C are siblings). C is the father of D. Therefore, A is the Paternal Grandmother of D (B)

Q5. X is the husband of Y. W is the daughter of X. Z is the son of W. How is Y related to Z?

(A) Paternal Grandmother
(B) Maternal Grandmother
(C) Mother
(D) Aunt

Diagram:

    X (+) = Y (-)
           ↓
         W (-)
           ↓
           Z (+)

Solution: X and Y are husband and wife. W is their daughter. Z is the son of W. Therefore, Y is the Maternal Grandmother of Z (B)

Q6. A and B are brothers. C and D are sisters. A is the father of D. How is B related to C?

(A) Maternal Uncle
(B) Paternal Uncle
(C) Father
(D) Brother

Diagram:

    A (+) ------ B (+)
    ↓
    D (-) ------ C (-)

Solution: A is the father of both C and D (since C and D are sisters). B is the brother of A. Therefore, B is the Paternal Uncle of C (B)

Q7. M is the sister of N. N is married to O. O is the son of P. How is M related to P?

(A) Daughter
(B) Sister-in-law
(C) Daughter-in-law’s sister
(D) Sister

Diagram:

         P (+)
         ↓
         O (+) = N (-) ------ M (-)

Solution: P is the parent of O. N is married to O (making N the daughter-in-law of P). M is the sister of N. Therefore, M is the Daughter-in-law’s sister (C)

Q8. In a family, there are six members A, B, C, D, E, and F. A and B are a married couple, A being the male member. D is the only son of C who is the sister of A. B is the mother of F. How is F related to C?

(A) Son
(B) Nephew or Niece
(C) Daughter
(D) Cousin

Diagram:

    C (+) ------ A (+) = B (-)
    ↓                    ↓
    D (+)------ E (-)    F

Solution: A and B are husband and wife, and C is A’s brother. F is the child of A and B. Since A is C’s brother, F is the Nephew or Niece of C (B)

Q9. Pointing to a photograph, a woman says, “The man in the photograph is the maternal grandfather of my son’s father.” How is the woman related to the man in the photograph?

  • A) Daughter-in-law
  • B) Granddaughter
  • C) Granddaughter-in-law
  • D) Wife

Diagram:

    Man in Photo (+)
           ↓
    Husband's Mother (-)
           ↓
    Husband (+) = Woman (-)
           ↓
        Son (+)

Solution: “My son’s father” is the woman’s husband. The maternal grandfather of her husband is the man in the photograph. Therefore, the woman is the Granddaughter-in-law of the man in the photograph (C)

Q10. K is the brother of J. J is the mother of L. L is married to M. How is K related to M?

(A) Uncle
(B) Father-in-law
(C) Uncle-in-law
(D) Brother-in-law

Diagram:

    K (+) ------ J (-)
                 ↓
                 L (-) = M (+)

Solution: J is the mother of L, and K is J’s brother (L’s maternal uncle). M is married to L. Therefore, K is the Uncle-in-law of M (C)