Blood Relation

Introducing a boy, a girl said, "He is the son of the daughter of the father of my uncle." How is the boy related to the girl?

• Brother

• Nephew

• Uncle

• Son in law

Answer explanation

The father of the boy's uncle → the grandfather of the boy and daughter of the grandfather → sister of father.

If D is the brother of B, how B is related to C? To answer this question which of the statements is/are necessary?

1. The son of D is the grandson of C.

2. B is the sister of D.

• Only 1

• Only 2

• Either 1 or 2

• 1 and 2 both are required

Answer explanation

Given: D is the brother of B.

From statement 1, we can detect that D is son of C (son of D is the grandson of C).

From statement 2, we can detect that B is 'Female' (sister of D).

Therefore, B is daughter of C.

If A + B means A is the sister of B; A x B means A is the wife of B, A % B means A is the father of B and A - B means A is the brother of B. Which of the following means T is the daughter of P?

• P x Q % R + S - T

• P x Q % R - T + S

• P x Q % R + T - S

• P x Q % R + S + T

Answer explanation

P x Q → P is the wife of Q

Q % R → Q is the father of R

R - T → R is the brother of T

T + S → T is the sister of S.

Therefore, T is the daughter of P

Introducing Sonia, Aamir says, "She is the wife of only nephew of only brother of my mother." How Sonia is related to Aamir?

• Wife

• Sister

• Mother

• Sister-in-law

Answer explanation

Brother of mother means maternal uncle. Hence only nephew of Aamir's maternal uncle means Aamir himself. Therefore Sonia is the wife of Aamir

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1. A3P means A is the mother of P

2. A4P means A is the brother of P

3. A9P means A is the husband of P

4. A5P means A is the daughter of P

Which of the following means that K is the mother-in-law of M?

• M9N3K4J

• M9N5K3J

• K5J9M3N

• K3J9N4M

Answer explanation

M9N → M is the husband of N

N5K → N is the daughter of K

Hence, → M is the son-in-law of K

K3J → K is the mother of J

Hence, → K is a lady

Hence, → K is the mother-in-law of M.

P is the mother of K; K is the sister of D; D is the father of J. How is P related to J?

• Mother

• Grandmother

• Aunt

• Sister

Answer explanation

P is the mother of K

K is the sister of D

D is the father of J.

Therefore, J is the nephew or niece of K and P is the grandmother of J.

Introducing a man, a woman said, "He is the only son of the mother of my mother." How is the woman related to the man?

• Mother

• Niece

• Sister

• Aunt

Answer explanation

The man is the only son of the mother of the woman. Hence, the man is the maternal uncle of the woman. So, the woman is the niece of the man.

If A $ B means A is the brother of B; B * C means B is the son of C; C @ D means C is the wife of D and A # D means A is the son of D, how C is related to A?

• Maternal grandmother

• Maternal aunt

• Aunt

• Mother

Answer explanation

A $ B → A is the brother of B

B * C → B is the son of C

Hence, → A is the son of C

C @ D → C is the wife of D

Hence, → C is the mother of A.

Anupam said to a lady sitting in a car, "The only daughter of the brother of my wife is the sister-in-law of the brother of your sister." How the husband of the lady is related to Anupam?

• Maternal uncle

• Uncle

• Father

• Son in law

Answer explanation

Anupam's son-in-law is the brother of the lady who was sitting in the car. Hence, the husband is also the son-in-law of Anupam.

A is the son of C; C and Q are sisters; Z is the mother of Q and P is the son of Z. Which of the following statements is true?

• P and A are cousins

• P is the maternal uncle of A

• Q is the maternal grandfather of A

• C and P are sisters

Answer explanation

C and Q are sisters and A is the son of C. Hence, C is the mother of A or Z is the mother Q.

Hence, Z is the maternal grandmother of A. P is the son of Z. Hence, P is the maternal uncle of A.