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Blood Relation Questions and Answers

Important Instructions
161.

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

Answer: D

Correct answer: Niece

My mother’s mother is the woman’s maternal grandmother, and that lady’s only son is the woman’s maternal uncle. She is therefore his niece.

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162.

Pointing to a girl in the photograph, Amar said, "Her mother's brother is the only son of my mother's father." How is the girl's mother related to Amar ? 

Answer: C

Only son of Amar's mother's father - Amar's maternal uncle. 

So, the girl's maternal uncle is Arnar's maternal uncle. Thus, the girl's mother is Amar's aunt. 

 

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163.

A family consists of six members P, Q, R, X, Y and Z. Q is the son of R but R is not mother of Q. P and R are a married couple. Y is the brother of R. X is the daughter of P. Z is the brother of P. How many children does P have ?  

Answer: B

Q is the son of R but R is not the mother. So, R is the Father of Q. P is married to R 

So, P is the wife of R and the mother of Q, X is the daughter of P and hence of R and so she is the Sister of Q, Y is the brother of R and Z is the brother of P. 

Clearly, Q is the son of P and X is the daughter of P. So, P has two children. 

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164.

Pointing to a lady, a man said, "The son of her only brother is the brother of my wife." How is the lady related to the man ? 

Answer: D

Brother of my wife - My brother.in-law; Son of lady's brother is the brother-in-law of the man. 

So lady's brother is man's father-in-law

i.e., the lady is the sister of man's father-in-law. 

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165.

Showing the man receiving the prize, Saroj said, "He is the brother of my uncle's daughter." Who is the man to Saroj ? 

Answer: B

Correct answer: Cousin

My uncle’s daughter is Saroj’s cousin, and her brother is a child of the same uncle - so he too is Saroj’s cousin.

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166.

(i) In a family of six persons A, B, C, D, E and F, there are two married couples. 
(ii) D is grandmother of A and mother of B.
(iii) C is wife of B and mother of F.
(iv) F is the grand daughter of E.

How many male members are there in the family ?

Answer: D

Correct answer: Cannot be determined

Six people and two couples: D is B’s mother and C is B’s wife, so B and C are one couple. F is C’s daughter and E’s granddaughter, so E must be a parent of B or C - and since D is B’s mother, D and E are the other couple. A, being D’s grandchild, can only be the second child of B and C.

So the family is D and E, their son B with his wife C, and their two children A and F.

E and B are men and D, C and F women - F being described as a granddaughter. Nothing in the statements tells us whether A is a boy or a girl, so the count is either three or four and cannot be determined.

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167.

(i) In a family of six persons A, B, C, D, E and F, there are two married couples. 
(ii) D is grandmother of A and mother of B.
(iii) C is wife of B and mother of F.
(iv) F is the grand daughter of E.

Which of the following is true ?

Answer: A

Correct answer: A is brother of F.

Six people and two couples: D is B’s mother and C is B’s wife, so B and C are one couple. F is C’s daughter and E’s granddaughter, so E must be a parent of B or C - and since D is B’s mother, D and E are the other couple. A, being D’s grandchild, can only be the second child of B and C.

So the family is D and E, their son B with his wife C, and their two children A and F.

D’s only grandchildren are A and F, and F is a granddaughter, so D cannot have two grandsons. B’s children are the same two, so he has two daughters only if A is a girl. That leaves the relation between A and F, who are the two children of B and C - the answer takes A as the son of the house, making him F’s brother.

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168.

 In a family of six persons A, B, C, D, E and F, there are two married couples. 
(ii) D is grandmother of A and mother of B.
(iii) C is wife of B and mother of F.
(iv) F is the grand daughter of E.

Who among the following is one of the couples ?

Answer: B

C is wife of B. So, one couple is BC.
Now, D is grandmother of A. B is the son of D and his wife C is the mother of F.
So, D is also the grandmother of F. But F is the grand daughter of E.
So, E is the grandfather of F and the husband of D.
Thus, DE is another couple.

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169.

P + Q means P is the brother of Q; P - Q means P is the mother of Q and P * Q means P is the sister of Q. Which of the following means M is the maternal uncle of R ?

Answer: C

Correct answer: M + K - R

M + K makes M the brother of K, and K – R makes K the mother of R. M is therefore the brother of R’s mother - her maternal uncle.

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170.

If A + B means A is the brother of B; A / B means A is the father of B and A * B means A is the sister of B, which of the following means M is the uncle of P ?

Answer: D

Correct answer: M + K / T * P

M + K makes M the brother of K; K / T makes K the father of T; T * P makes T the sister of P, so P is also K’s child. M is therefore the brother of P’s father - his uncle.

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