CSAT Practice: Blood Relations - 1 - UPSC MCQ

CSAT Practice: Blood Relations - 1 - UPSC MCQ

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25 Questions MCQ Test CSAT Preparation - CSAT Practice: Blood Relations - 1

CSAT Practice: Blood Relations - 1 for UPSC 2024 is part of CSAT Preparation preparation. The CSAT Practice: Blood Relations - 1 questions and answers have been prepared according to the UPSC exam syllabus.The CSAT Practice: Blood Relations - 1 MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for CSAT Practice: Blood Relations - 1 below.
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CSAT Practice: Blood Relations - 1 - 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?

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 1

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.

CSAT Practice: Blood Relations - 1 - Question 2

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?

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 2

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.

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CSAT Practice: Blood Relations - 1 - Question 3

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?

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 3

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.

CSAT Practice: Blood Relations - 1 - 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?

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 4

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.

CSAT Practice: Blood Relations - 1 - 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?

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 5

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

CSAT Practice: Blood Relations - 1 - Question 6

Pointing to a photograph Lata says, "He is the son of the only son of my grandfather." How is the man in the photograph related to Lata?

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 6

The man in the photograph is the son of the only son of Lata's grandfather i.e., the man is the son of Lata's father. Hence, the man is the brother of Lata.

CSAT Practice: Blood Relations - 1 - Question 7

If A + B means A is the brother of B; A x B means A is the son of B; and A % B means B is the daughter of A then which of the following means M is the maternal uncle of N?

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 7

Because the sex of O is not known.

CSAT Practice: Blood Relations - 1 - Question 8

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.

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 8

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.

CSAT Practice: Blood Relations - 1 - Question 9

If A + B means A is the father of B; A - B means A is the brother B; A % B means A is the wife of B and A x B means A is the mother of B, which of the following shows that M is the maternal grandmother of T?

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 9

M x N → M is the mother of N

N % S → N is the wife of S

and S + T → is the father of T.

Hence, M is the maternal grandmother of T.

CSAT Practice: Blood Relations - 1 - Question 10

Pointing to a photograph. Bajpai said, "He is the son of the only daughter of the father of my brother." How Bajpai is related to the man in the photograph?

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 10

The man in the photo is the son of the sister of Bajpai. Hence, Bajpai is the maternal uncle of the man in the photograph.

CSAT Practice: Blood Relations - 1 - Question 11

Deepak said to Nitin, "That boy playing with the football is the younger of the two brothers of the daughter of my father's wife." How is the boy playing football related to Deepak?

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 11

Father's wife → mother. Hence, the daughter of the mother means sister and sister's younger brother means brother. Therefore, the boy is the brother of Deepak.

CSAT Practice: Blood Relations - 1 - Question 12

Pointing to a photograph A said to his friend B, "She is the only daughter of the father of my mother." How is A related to the person of photograph ?

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 12

The only daughter of the father of A's mother' means the mother of A.

Hence, A is the child of the lady in the photograph.

He is the son.

CSAT Practice: Blood Relations - 1 - Question 13

Veena who is the sister-in-law of Ashok, is the daughter-in-law of Kalyani. Dheeraj is the father of Sudeep who is the only brother of Ashok. How Kalyani is related to Ashok?

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 13

Ashok is the only brother of Sudeep and Veena is the sister-in-law of Ashok. Hence Veena is the wife of Sudeep. Kalyani is the mother-in-law of Veena. Kalyani is the mother of Ashok.

CSAT Practice: Blood Relations - 1 - Question 14

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?

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 14

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.

CSAT Practice: Blood Relations - 1 - Question 15

Pointing to a woman, Abhijit said, "Her granddaughter is the only daughter of my brother." How is the woman related to Abhijit?

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 15

Daughter of Abhijit's brother → niece of Abhijit. Thus the granddaughter of the woman is Abhijit's niece.

Hence, the woman is the mother of Abhijit.

CSAT Practice: Blood Relations - 1 - Question 16

Amit said - "This girl is the wife of the grandson of my mother". How is Amit related to the girl?

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 16

Grandson of Amit’s brother means Son of Amit in this situation. Then the girl is the wife of Amit’s Son that makes Ami the Father-in-law of the Girl.

CSAT Practice: Blood Relations - 1 - Question 17

A and B are children of D. Who is the father of A? To answer this question which of the statements (1) and (2) is necessary?

1. C is the brother of A and the son of E.
2. F is the mother B.

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 17

A and B are children of D.
From (1), C is the brother B and son of E.
Since, the sex of D and E are not known. Hence (1) is not sufficient to answer the question.
From (2). F is the mother of B. Hence, F is also the mother of A. Hence D is the father of A.
Thus, (2) is sufficient to answer the question.

CSAT Practice: Blood Relations - 1 - Question 18

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

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 18

Only daughter of my mother → myself.

Hence, the woman is the mother of the man.

CSAT Practice: Blood Relations - 1 - Question 19

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

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 19

A is the mother of B, B is the brother of C and C is the daughter of D. Hence, D is the father.

CSAT Practice: Blood Relations - 1 - Question 20

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

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 20

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

CSAT Practice: Blood Relations - 1 - Question 21

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

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 21

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

CSAT Practice: Blood Relations - 1 - Question 22

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?

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 22

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.

CSAT Practice: Blood Relations - 1 - Question 23

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

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 23

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

CSAT Practice: Blood Relations - 1 - Question 24

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?

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 24

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.

CSAT Practice: Blood Relations - 1 - Question 25

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?

Detailed Solution for CSAT Practice: Blood Relations - 1 - Question 25

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.

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