Blood Relations: Practice Questions with Answers
Family relation puzzles and pointing statements. Try each question first: tap an option to check it, and the explanation appears below.
Question 1Easy
L is the father of A. E is the son of A. How is E related to L?
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✅ C. Grandson
A is L's child, and E is A's son. A child's son is a grandson, so E is L's grandson.
Question page →Question 2Medium
R is the wife of Z. S is the sister of Z. How is R related to S?
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✅ B. Sister-in-law
R is married to S's brother Z. The wife of one's brother is a sister-in-law, so R is S's sister-in-law.
Question page →Question 3Easy
Q is the mother of P. E is the daughter of P. How is E related to Q?
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✅ D. Granddaughter
P is Q's child, and E is P's daughter. A child's daughter is a granddaughter, so E is Q's granddaughter.
Question page →Question 4Easy
S is the son of Z. K is the daughter of Z. How is K related to S?
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✅ D. Sister
S and K are both children of Z, so they are siblings. K is a daughter, so K is S's sister.
Question page →Question 5Hard
Pointing to a boy, a woman said, "His father is the only son of my mother." How is the boy related to the woman?
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✅ A. Nephew
The only son of the speaker's mother is the speaker's brother, because the speaker is a woman. So the boy's father is the speaker's brother, and the boy is the speaker's nephew.
Question page →Question 6Medium
Z is the husband of W. L is the sister of W. How is Z related to L?
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✅ D. Brother-in-law
Z is married to L's sister W. The husband of one's sister is a brother-in-law, so Z is L's brother-in-law.
Question page →Question 7Medium
S is the father of H. P is the wife of H. How is S related to P?
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✅ B. Father-in-law
S is the father of P's husband H. The father of one's husband is a father-in-law, so S is P's father-in-law.
Question page →Question 8Medium
N is the sister of K. A is the son of N, and L is the daughter of K. How is A related to L?
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✅ A. Cousin
A's parent N and L's parent K are siblings. Children of siblings are cousins, so A is L's cousin.
Question page →Question 9Hard
Pointing to a girl, a woman said, "Her father is the only son of my mother." How is the girl related to the woman?
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✅ D. Niece
The only son of the speaker's mother is the speaker's brother, because the speaker is a woman. So the girl's father is the speaker's brother, and the girl is the speaker's niece.
Question page →Question 10Hard
W is the daughter of X. S is the son of U. H is the wife of U. X is the brother of S. How is H related to W?
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✅ A. Grandmother
X is the brother of S, so X is also a child of U. H is U's wife, so U and H are both parents of X. W is X's daughter, so U and H are W's grandparents. Therefore H is W's grandmother.
Question page →Question 11Easy
P is the daughter of V. J is the son of V. How is J related to P?
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✅ A. Brother
P and J are both children of V, so they are siblings. J is a son, so J is P's brother.
Question page →Question 12Hard
Pointing to a girl, a man said, "Her father is the only son of my mother." How is the girl related to the man?
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✅ C. Daughter
The only son of the speaker's mother is the speaker, because the speaker is a man. So the speaker is the girl's father, and the girl is the speaker's daughter.
Question page →Question 13Easy
F is the sister of D. D is the mother of J. How is F related to J?
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✅ C. Aunt
F is the sister of J's mother D. The sister of a parent is an aunt, so F is J's aunt.
Question page →Question 14Medium
C is the son of W. M is the wife of C. How is M related to W?
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✅ C. Daughter-in-law
M is married to W's son C. The wife of one's son is a daughter-in-law, so M is W's daughter-in-law.
Question page →Question 15Easy
S is the brother of U. U is the mother of F. How is S related to F?
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✅ D. Uncle
S is the brother of F's mother U. The brother of a parent is an uncle, so S is F's uncle.
Question page →Question 16Hard
Pointing to a boy, a woman said, "His mother is the only daughter of my mother." How is the boy related to the woman?
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✅ A. Son
The only daughter of the speaker's mother is the speaker, because the speaker is a woman. So the speaker is the boy's mother, and the boy is the speaker's son.
Question page →Question 17Easy
S is the father of A. A is the father of P. How is S related to P?
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✅ D. Grandfather
S is the father of A, and A is a parent of P. The father of a parent is a grandfather, so S is P's grandfather.
Question page →Question 18Medium
P is the mother of R. L is the wife of R. How is P related to L?
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✅ A. Mother-in-law
P is the mother of L's husband R. The mother of one's husband is a mother-in-law, so P is L's mother-in-law.
Question page →Question 19Medium
B is the daughter of E. J is the husband of B. How is J related to E?
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✅ B. Son-in-law
J is married to E's daughter B. The husband of one's daughter is a son-in-law, so J is E's son-in-law.
Question page →
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