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# Blood Relation Interview Questions and Answers

Question - 1 : -
Pointing to a photograph of a boy Suresh said, "He is the son of the only son of my mother." How is Suresh related to that boy?

A. Brother
B. Uncle
C. Cousin
D. Father

Option D

Explanation:

The boy in the photograph is the only son of the son of Suresh's mother i.e., the son of Suresh. Hence, Suresh is the father of boy.

Question - 2 : -
If A is the brother of B; B is the sister of C; and C is the father of D, how D is related to A?

A. Brother
B. Sister
C. Nephew
D. Cannot be determined

Option D

Explanation:

If D is Male, the answer is Nephew.
If D is Female, the answer is Niece.
As the sex of D is not known, hence, the relation between D and A cannot be determined.

Question - 3 : -
If A + B means A is the mother of B; A - B means A is the brother B; A % B means A is the father of B and A x B means A is the sister of B, which of the following shows that P is the maternal uncle of Q?

A. Q - N + M x P
B. P + S x N - Q
C. P - M + N x Q
D. Q - S % P

Option C

Explanation:

P - M → P is the brother of M
M + N → M is the mother of N
N x Q → N is the sister of Q
Therefore, P is the maternal uncle of Q.

Question - 4 : -
If A + B means A is the brother of B; A - B means A is the sister of B and A x B means A is the father of B. Which of the following means that C is the son of M?

A. M - N x C + F
B. F - C + N x M
C. N + M - F x C
D. M x N - C + F

Option D

Explanation:
M x N → M is the father of N
N - C → N is the sister of C
and C + F → C is the brother of F.
Hence, M is the father of C or C is the son of M.

Question - 5 : -
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?

A. Brother
B. Nephew
C. Uncle
D. Son-in-law

Option A

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

Question - 6 : -
If A + B means A is the brother of B; A % B means A is the father of B and A x B means A is the sister of B. Which of the following means M is the uncle of P?

A. M % N x P
B. N x P % M
C. M + S % R % P
D. M + K % T x P

Option D

Explanation:
M + K → M is the brother of K
K % T → K is the father of T
T x P → T is the sister of P
Therefore, K is the father of P and M is the uncle of P.

Question - 7 : -
Pointing to Varman, Madhav said, "I am the only son of one of the sons of his father." How is Varman related to Madhav?

A. Nephew
B. Uncle
C. Father or Uncle
D. Father

Option C

Explanation:

Madhav is the only son of one of the sons of Varman's father → Either Varman is the father or uncle of Madhav.

Question - 8 : -
Introducing a woman, Shashank said, "She is the mother of the only daughter of my son." How that woman is related to Shashank?

A. Daughter
B. Sister-in-law
C. Wife
D. Daughter-in-law

Option D

Explanation:

The woman is the mother of Shashank's granddaughter. Hence, the woman is the daughter-in-law of Shashank.

Question - 9 : -
If A + B means B is the brother of A; A x B means B is the husband of A; A - B means A is the mother of B and A % B means A is the father of B, which of the following relations shows that Q is the grandmother of T?

A. Q - P + R % T
B. P x Q % R - T
C. P x Q % R + T
D. P + Q % R - T

Option A

Explanation:

Q - P → Q is the mother of P

P + R → R is the brother of P

Hence, → q is the mother of R

R % T → R is the father of T.

Hence, Q is the grandmother of T.

Question - 10 : -
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?
A. M9N3K4J
B. M9N5K3J
C. K5J9M3N
D. K3J9N4M

Option B

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.