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Blood Relation Questions and Answers

Important Instructions
121.

If X is the brother of the son of Y's son, how is X related to Y ?

Answer: D

Correct answer: Grand son

Y’s son’s son is Y’s grandson. X is that boy’s brother, so X is a son of the same father - Y’s son - and is therefore also Y’s grandson.

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122.

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?

Answer: D

Correct answer: M x N - C + F

M × N makes M the father of N; N – C makes N the sister of C, so C is also M’s child; and C + F makes C the brother of F, which establishes that C is male. A male child of M is his son.

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123.

A man said to a lady, "Your mother's husband's sister is my aunt? How is the lady related to the man ?

Answer: D

Correct answer: Sister

Your mother’s husband is the lady’s father, and his sister is her aunt - and that same woman is the speaker’s aunt. The two therefore share a father, so the lady is his sister.

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124.

Pointing to a photograph, a lady tells Pardeep, "I am the only daughter of this lady and her son is your maternal uncle." How is the speaker related to Pardeep's father ? 

Answer: B

Correct answer: Wife

The speaker is the lady’s only daughter, and the lady’s son is Pardeep’s maternal uncle - so Pardeep’s mother is that man’s sister, which is the lady’s only daughter, the speaker herself. The speaker is therefore Pardeep’s mother, and so his father’s wife.

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125.

A’s father is B’s son-in-law. C, A’s sister, is the daughter of P. How is P related to B

Answer: D

Correct answer: Cannot be determined

C is A’s sister and P’s daughter, so P is a parent of both A and C. A’s father is B’s son-in-law, which means A’s mother is B’s daughter. P is therefore either A’s father - and so B’s son-in-law - or A’s mother, and so B’s daughter. Nothing settles which, so the relation cannot be determined.

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126.

Pointing to an old man, Kailash said, "His son is my son's uncle." How is the old man related to Kailash ? 

Answer: C

Correct answer: Father

My son’s uncle is Kailash’s own brother. The old man’s son is that brother, so the old man has fathered Kailash’s brother - and is therefore Kailash’s father.

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127.

A is the son of B.
C, B`s sister has a son D and a daughter E.
F is the maternal uncle of D.
How is E related to F ?

Answer: C

Correct answer: Niece

F is the maternal uncle of D, so F is the brother of D’s mother C. E is C’s daughter, and a brother’s sister’s daughter is his niece.

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128.

Looking at a portrait of a man, Harsh said, "His mother is the wife of my father's son. Brothers and sisters I have none." At whose portrait was Harsh looking ?

Answer: A

Since Harsh has no brother or sister, so he is his father's only son. 
Now, wife of my father's son -- my wife. 
So, Harsh's wife is the man's mother or the man is Harsh's son.

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129.

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 ?

Answer: 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.

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130.

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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