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# Blood Relation Quiz for upcoming exams Attempt Now

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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

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.

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

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.

Note: Niece – A daughter of one’s brother or sister, or of one’s brother-in-law or sister-in-law. Nephew – A son of one’s brother or sister, or of one’s brother-in-law or sister-in-law.

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

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.

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

Explanation:

The father of the boy’s uncle → the grandfather of the boy and daughter of the grandfather → sister of father.
A \$ B means A is the father of B; A # B means A is the sister of B; A * B means A is the daughter of B and A @ B means A is the brother of B. Which of the following indicates that M is the wife of Q?
 A. Q \$ R # T @ M B. Q \$ R @ T # M C. Q \$ R * T # M D. Q \$ R @ T * M

Explanation:

Q \$ R → Q is the father of R

R @ T → R is the brother of T

Hence, → Q is the father of T

T * M → T is the daughter of M

Hence, → M is the mother of T

Hence, M is the wife of Q.

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?
 A. Maternal grandmother B. Maternal aunt C. Aunt D. Mother

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.

Pointing to a boy in the photograph Reena said, “He is the only son of the only child of my grandfather.” How Reena is related to that boy?
 A. Mother B. Sister C. Aunt D. Cannot be determined

Explanation:

The boy in the photograph is the only son of Reena’s grandfather’s only son; i.e., the boy is the only son of Reena’s father.

Hence, the boy is the brother of Reena or Reena is the sister of the boy.

If M x N means M is the daughter of N; M + N means M is the father of N; M % N means M is the mother of N and M – N means M is the brother of N then P % Q + R – T x K indicates which relation of P to K?
 A. Daughter-in-law B. Sister-in-law C. Aunt D. None of these

Explanation:

P % Q → P is the mother of Q

Q + R → Q is the father of R

R – T → R is the brother of T

Hence, → Q is the father of T

T x K → T is the daughter of K

Hence, → Q is the husband of K.

Therefore, P is the mother-in-law of K.

If P + Q means P is the brother of Q; P x Q means P is the father of Q and P – Q means P is the sister of Q, which of the following relations shows that I is the niece of K?
 A. K + Y + Z – I B. K + Y x I – Z C. Z – I x Y + K D. K x Y + I – Z

Explanation:

K + Y → K is the brother of Y

Y x I → Y is the father of I

Hence, → K is the uncle of I

and I – Z → I is the sister of Z

Hence, → I is the niece of K.

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?
 A. Maternal uncle B. Uncle C. Father D. Son-in-law

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.