Blood Relations


1.

Introducing a man, a woman said, “His wife is the only daughter of my father.”How is that man related to the woman?

A. Husband
B. Brother
C. Father–in–law
D. Maternal uncle

Option A

Only daughter of my father – Myself.
So, the man is woman’s husband.

2.

If Feroz says, “Gowtham’ mother is the only daughter of my mother”, how is Feroz related to Ravi?

A. Father
B. Brother
C. Grandfather
D. None of these

Option D

Only daughter of Feroz’s mother –Feroz’s sister.
So, Gowtham’s mother is Feroz’s sister (or) 
Feroz is the brother of Gowtham’s mother i.e.  Gowtham’s maternal uncle.
 

3.

A girl introduced a boy as the son of the daughter of the father of her uncle. The boy is girl’s

A. Son
B. Brother
C. Uncle
D. Nephew

Option B

Daughter of uncle’s father – Uncle’s sister – Mother; 
Mother’s son – Brother.
 

4.

Pointing to an old man, Kunal said, “His son is my son’s uncle.” How is the old man related to Kunal?

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

Option C

Kunal’s son’s uncle – Kunal’s brother. 
So, the old man’s son is Kunal’s brother i.e.,
The old man is Kunal’s father.
 

5.

Pointing to a photograph, a man said, “I have no brother or sister but that man’s father is my father’s son.” Whose photograph was it?

A. His father’s
B. His nephew’s
C. His son’s
D. His own

Option C

Since the narrator has no brother, his father’s son is he himself.
So, the man who is talking is the father of the man in the photograph.
Thus, the man in the photograph is his son.
 

6.

A woman introduces a man as the son of the brother of her mother. How is the man related to the woman?
 

A. Son
B. Grandson
C. Cousin
D. Uncle

Option C

Brother of mother– Uncle;
Uncle’s son – Cousin

7.

Pointing to a man in a photograph, a woman said, “His brother's father is the only son of my grandfather.” How is the woman related to the man in the photograph?

A. Aunt
B. Daughter
C. Grandmother
D. Sister

Option D

Only son of woman’s grandfather – Woman’s father; 
Man’s brother father – Man’s father. 
So, the woman is man’s sister.

8.

Pointing to a gentleman, Deepak said," His only brother is the father of my daughter's father." How is gentleman related to Deepak ?

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

Option D

Father of my daughter's Father = Deepak Father

Brother of Deepak's father = Deepak's Uncle
 

9.

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

A. Mother
B. Daughter
C. Sister
D. Grand Mother

Option A

only daughter of my mother -> means herself

So she is his mother.
 

10.

Pointing to a photograph, a woman says, "This man's son's sister is my mother-in-law." How is the woman's husband related to the man in the photograph ?

A. Grandson
B. Son
C. Son in law
D. Cousin

Option A

Man's son sister : Man's daughter
So Man's daughter is the mother of woman's husband. Thus, the woman's husband is the grandson.
So the woman's husband is the grandson of the man in photograph.

11.

Pointing to a gentleman, Shalini said, "His only brother is the father of my son’s father." How is the gentleman related to Shalini

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

Option B

Analysis of Blood Relation:

Father of my son’s father -> Shalini's Father in law
Shalini's Father-in-law brother -> Shalini's Uncle
 

12.

D is the son-in-law of B, who is the brother-in-law of A who is the brother of C. How is A related to B?

A. Brother
B. Son
C. Father
D. None of the above

Option D

According to the given information, A is a male (because he is the brother of C). Now, since B is the brother-in-law of A, A is also the brother-in-law of B.

13.

 Arun said, "This girl is the wife of the grandson of my mother." Who is Arun to the girl?
 

A. Father
B. Grandfather
C. Husband
D. Father-in-law

Option D

Mother's grandson - Son; Son's wife - Daughter-in-law.
 

14.

Pointing to a person, a man said to a woman, "His mother is the only daughter of your father." How was the woman related to the person?

A. Aunt
B. Mother
C. Wife
D. Daughter

Option A

Daughter of your father - Your sister.
So, the person's mother is woman's sister or the woman is person's aunt.

15.

If Kamal says, "Ravi's mother is the only daughter of my mother." How is Kamal related to Ravi?

A. Grandfather
B. Father
C. Brother
D. None of the above

Option D

Only daughter of Kamal's mother - Kamal's sister. So, Ravi's mother is Kamal's sister or Kamal is the brother of Ravi's mother i.e., Ravi's maternal uncle.

16.

When Anuj saw Manish, he recalled, "He is the son of the father of my daughter." Who is Manish?
 

A. Brother-in-law
B. Brother
C. Cousin
D. Uncle

Option A

Anuj's daughter's mother - Anuj's wife; Anuj's wife's father - Anuj's father-in-law; Father-in-law's son - Anuj's brother-in-law.
So, Manish is Anuj's Brother-in-law.

17.

A woman introduces a man as the son of the brother of her mother. How is the man related to the women?
 

A. Nephew
B. Son
C. Cousin
D. Uncle

Option C

Brother of mother - uncle; Uncle's son - Cousin.

18.

If 'P$Q' means 'P is brother of Q', 'P#Q' means 'P is mother of Q' and 'P*Q' means 'P is daughter of Q', then who is the father in 'A#B$C*D'?

A. D
B. B
C. C
D. Data inadequate

Option A

Clearly, B and C are siblings. While A and D are parents. Now, A is the mother. Hence, D must be the father.

19.

Which of the following means 'M is niece of Study the following information and answer the questions given below:
(i) 'P * Q' means 'Q is mother of Q'
(ii) 'P + Q' means 'P is father of Q'
(iii) 'P - Q' means 'P is brother of Q'
(iv) 'P ÷ Q' means 'Q is sister of P'.
T' ?
 

A. M ÷ D + T * R
B. T - D + R ÷ M
C. T * D + R ÷ M
D. Cannot be determined

Option B

T(+) ---- D(+)
|
R ---- M(-)
 

20.

If 'A + B' means 'A is brother of B', 'A - B' means 'A is sister of B', 'A * B' means 'A is wife of B', and 'A ÷ B' means 'A is father of B', then which of the following indicates 'S is son of P'?

A. P * Q ÷ R + S – T
B. P * Q ÷ S - R + T
C. P * Q ÷ R - T + S
D. P * Q ÷ R - S + T

Option D

As 'S' is a female in options (A) and (B), they can be rejected directly. The sex of 'S' in option (C) is not known, hence it can also be eliminated. Now, check option (D).
(-)P <---> Q(+)
|
R(-) --- S(+) ---- T
[Clearly, S is son of P.]
 

21.

Pointing to a boy, Meena says, "He is the son of my grandfather's only son." How is the boy's mother related to Meena?
 

A. Mother
B. Aunt
C. Sister
D. Data inadequate

Option A

One's grandfather's only son => one's father. And the son of one's father => one's brother or oneself. Hence, the mother of the boy is Meena's mother.

22.

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

Option D

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.
 

23.

If A $ B means B is the father of A; A # B means B is the mother of A; A * B means B is the sister of A and A @ B means B is the husband of A, which of the following indicates that N is the grandmother of P?

A. P * Q # M $ N
B. P @ Q $ M # N
C. P # Q $ N * M
D. None of these

Option D

P@Q --> Q is P's husband.

Q$M --> M is Q's father.

M#N --> N is M's Mother.

Hence N is Q's grandmother but not P's as P is Q's wife rather the relation may be Grand Mother-in-law.

24.

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?
 

A. P and A are cousins
B. P is the maternal uncle of A
C. Q is the maternal grandfather of A
D. C and P are sisters

Option B

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.

25.

If X + Y means X is the daughter of Y; X - Y means X is the brother of Y; X % Y means X is the father of Y and X x Y means X is the sister of Y. Which of the following means I is the niece of J?
 

A. J - N % C x I
B. I x C - N % J
C. J + M x C % I
D. I x C + N - J

Option D

I x C → I is the sister of C
C + N → C is the daughter of N
and N - J → N is the brother of I.
Hence, I is niece of J.
 

26.

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

Option D

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.
 

27.

Each of these questions is based on the following information:
M % N means M is the son of N.
M @ N means M is the sister of N.
M $ N means M is the father of N.

A. C % B $ F $ E
B. B $ F $ E % C
C. C @ B % F % E
D. E % B $ F $ C

Option C

C @ B → C is the sister of B
B % F → B is the son of F
Hence, → C is the daughter of F
F % E → F is the son of E
Hence, → C is the granddaughter of E.
 

28.

Each of these questions is based on the following information:
A + B means A is the mother of B.
A - B means A is the sister of B.
A * B means A is the father of B.
A β B means A is the brother of B.

A. N β P - L + E - M
B. N - Y + A β M
C. M - Y * P - N
D. N β C + F * M

Option A

N β P → N is the brother of P
P - L → P is the sister of L
L + E → L is the mother of E
E - M → E is the sister of M.
Hence, L is the mother of M, P is the maternal aunt of M and N is the maternal uncle of M.
 

29.

In a certain code, TRIPPLE is written as SQHOOKD. How is DISPOSE written in that code ?
 

A. EJTQPTF
B. EJTQPTG
C. CHRPNRD
D. CHRONRD

Option D

Clearly every letter is decreased by 1.
So DISPOSE will be CHRONRD 
 

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