Q. If P + Q means P is the father of Q, P − Q means P is the mother of Q, P × Q means P is the sister of Q, then what does A + B − C mean?
(A)
A is the grandfather of C
(B)
A is the father of C
(C)
A is the mother of C
(D)
A is the uncle of C
✅ Correct Answer: (A)
A is the grandfather of C
Explanation: A + B → A is father of B; B − C → B is mother of C; So A is maternal grandfather of C.
Q. Pointing to a woman, Ravi said, 'She is the daughter-in-law of the grandmother of my father.' How is the woman related to Ravi?
(A)
Mother
(B)
Aunt
(C)
Sister-in-law
(D)
Great aunt
✅ Correct Answer: (B)
Aunt
Explanation: Grandmother of Ravi’s father is Ravi’s great-grandmother. Her daughter-in-law would be Ravi’s grandmother’s daughter-in-law i.e., Ravi’s aunt.
Q. 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?
(A)
Cousin
(B)
Brother
(C)
Nephew
(D)
Uncle
✅ Correct Answer: (A)
Cousin
Explanation: Father of girl's uncle is her grandfather. His daughter is the girl's mother/aunt. So, her son is the girl's cousin.
Q. If A is the mother of B, and B is the father of C, how is A related to C?
(A)
Grandmother
(B)
Aunt
(C)
Mother
(D)
Cousin
✅ Correct Answer: (A)
Grandmother
Explanation: A is the mother of B, and B is the father of C, so A is C’s grandmother.
Q. If P is the brother of Q and Q is the daughter of R, how is R related to P?
(A)
Father
(B)
Mother
(C)
Cannot be determined
(D)
Uncle
✅ Correct Answer: (C)
Cannot be determined
Explanation: R could be either mother or father of P. So the relation cannot be determined precisely.
Q. Pointing to a photograph, Rekha says, 'He is the only son of the only son of my grandfather.' How is the man in the photograph related to Rekha?
(A)
Father
(B)
Brother
(C)
Uncle
(D)
Cousin
✅ Correct Answer: (B)
Brother
Explanation: The only son of Rekha’s grandfather is her father, and his only son is Rekha’s brother.
Q. If A + B means A is the mother of B, A − B means A is the brother of B, A * B means A is the daughter of B, then what is the relation of A with respect to C in the expression A * B − C?
(A)
Niece
(B)
Daughter
(C)
Cousin
(D)
Cannot be determined
✅ Correct Answer: (A)
Niece
Explanation: B − C → B is brother of C; A * B → A is daughter of B. So A is niece of C.
Q. If A is the father of B and C is the mother of B, how are A and C related to each other?
(A)
Brother and sister
(B)
Husband and wife
(C)
Father and daughter
(D)
Uncle and aunt
✅ Correct Answer: (B)
Husband and wife
Explanation: Since A is the father of B and C is the mother of B, A and C must be husband and wife.
Q. If X is the daughter of Y and Y is the father of Z, how is Z related to X?
(A)
Brother
(B)
Sister
(C)
Father
(D)
Uncle
✅ Correct Answer: (A)
Brother
Explanation: X is Y's daughter and Z is Y's child. So Z is the brother of X (assuming Z is male).
Q. Pointing to a man in a photograph, a woman says, 'His brother’s father is the only son of my grandfather.' How is the woman related to the man?
(A)
Mother
(B)
Sister
(C)
Aunt
(D)
Cousin
✅ Correct Answer: (B)
Sister
Explanation: Only son of the woman's grandfather is her father. Her father's son is her brother. So, she is the man's sister.
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