Q.1: Pointing to a lady in a photograph, Meera said, “Her father’s only son’s wife is my mother-in-law.” How is Meera’s husband related to that lady?
a) Nephew
b) Uncle
c) Son
d) Brother
Ans: a)
Solution: “Her father’s only son” is the lady’s brother. “His wife is my mother-in-law” means the lady’s brother is the father-in-law of Meera. Therefore, Meera’s husband is the son of the lady’s brother. A brother’s son is a Nephew.
Q.2: If $P \% Q$ means P is the father of Q; $P @ Q$ means P is the sister of Q; $P \$ Q$ means P is the brother of Q. Which of the following shows that I is the niece of J?
a) $J \$ L \% K @ I$
b) $I @ K \$ L \% J$
c) $J \$ L \% I @ K$
d) $I \$ K @ L \% J$
Ans: c)
Solution: $J \$ L$ (J is brother of L) $\rightarrow$ $L \% I$ (L is father of I) $\rightarrow$ $I @ K$ (I is sister of K). Since L is the father of I, and J is L’s brother, J is I’s uncle. Since I is a female (sister of K), she is the Niece.
Q.3: A is the son of C. C and Q are sisters. Z is the mother of Q and P is the son of Z. Which of the following statements is definitely true?
a) P and A are cousins
b) P is the maternal uncle of A
c) Z is the brother of C
d) P is the grandson of Z
Ans: b)
Solution: Z is the mother of C, Q, and P. Since C and Q are sisters and P is the son, P is the brother of C. Since C is A’s mother, her brother P is A’s Maternal Uncle.
Q.4: In a family of six (A, B, C, D, E, F), there are two married couples. B is a doctor and father of E. F is the grandfather of C and is a contractor. D is the grandmother of E and is a housewife. There is one student and one male engineer in the family. A is the mother of C. Who is the husband of A?
a) B
b) F
c) E
d) D
Ans: a)
Solution: F (Grandfather/Contractor) is married to D (Grandmother/Housewife). Their son is B (Doctor) who is married to A (Mother). B and A are the parents of E and C. Thus, B is the husband of A.
Q.5: Pointing to a girl, Sandeep said, “She is the daughter of the only sister of my father.” How is the girl related to Sandeep?
a) Niece
b) Sister
c) Cousin
d) Aunt
Ans: c)
Solution: “Only sister of my father” is Sandeep’s paternal aunt (Bua). Her daughter is Sandeep’s Cousin.
Q.6: 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 father of B and $A \times B$ means A is the sister of B. Which shows that P is the maternal uncle of Q?
a) $Q – N + M \times P$
b) $P – M + N \times Q$
c) $P – M + N \% Q$
d) $Q \times S \% P$
Ans: b)
Solution: $P – M$ (P is brother of M) $\rightarrow$ $M + N$ (M is mother of N) $\rightarrow$ $N \times Q$ (N is sister of Q). Since M is the mother of Q and P is M’s brother, P is the Maternal Uncle.
Q.7: P is the father of J. S is the mother of N. N is the brother of J. B is the son of S. C is the sister of B. How is J related to C?
a) Brother
b) Sister
c) Cousin
d) Either Brother or Sister
Ans: d)
Solution: P and S are a couple (Father and Mother). Their children are N, B, C, and J. While N and B are sons and C is a daughter, the gender of J is not mentioned. Thus, J could be brother or sister.
Q.8: Introducing a man to her husband, a woman said, “His brother’s father is the only son of my grandfather.” How is the woman related to this man?
a) Mother
b) Aunt
c) Sister
d) Daughter
Ans: c)
Solution: “Only son of my grandfather” is the woman’s father. If the man’s brother’s father is the woman’s father, they all share the same father. She is the man’s Sister.
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Q.9: A family has a man, his wife, their four sons and their wives. The family of every son also has 3 sons and 1 daughter. Find out the total number of male members in the whole family.
a) 12
b) 15
c) 17
d) 19
Ans: c)
Solution: 1 (Father) + 4 (Sons) + 12 (3 grandsons $\times$ 4) = 17 males.
Q.10: If ‘A $V$ B’ means A is the brother of B; ‘A $L$ B’ means A is the mother of B and ‘A $T$ B’ means A is the sister of B, which of the following means ‘M is the maternal uncle of R’?
a) $M V N L R$
b) $M L N V R$
c) $N V M L R$
d) $N L M V R$
Ans: a)
Solution: $M V N$ (M is brother of N) $\rightarrow$ $N L R$ (N is mother of R). Since N is R’s mother, her brother M is the Maternal Uncle.
Q.11: If $P \% Q$ means P is the daughter of Q; $P \# Q$ means P is the father of Q; $P @ Q$ means P is the son of Q. In $A \% B \# C @ D$, how is B related to D?
a) Husband
b) Father
c) Brother
d) Son
Ans: a)
Solution: $A \% B$ (A is daughter of B) $\rightarrow$ $B \# C$ (B is father of C). Thus A and C are siblings. $C @ D$ (C is son of D). If B is the father and D is the mother, B is the Husband of D.
Q.12: $Q$ is the mother of $P$. $R$ is the son of $Q$. $S$ is the brother of $T$. $T$ is the daughter of $P$. Who is the grandmother of S?
a) P
b) Q
c) R
d) T
Ans: b)
Solution: S and T are siblings. Their parent is P. P’s mother is Q. Therefore, Q is the Grandmother of S.
Q.13: In a row of people, pointing to a man, a woman said, “His mother is the only daughter of my mother.” How is the woman related to the man?
a) Mother
b) Grandmother
c) Aunt
d) Sister
Ans: a)
Solution: “Only daughter of my mother” is the woman herself. The statement becomes “His mother is Me.” So, she is the Mother.
Q.14: $X$ and $Y$ are brothers. $C$ and $D$ are sisters. $X$‘s son is $D$‘s brother. How is $Y$ related to $C$?
a) Father
b) Brother
c) Uncle
d) Grandfather
Ans: c)
Solution: X’s son is the brother of C and D. This means X is the father of C and D. Since Y is X’s brother, Y is the Uncle of C.
Q.15: If $A + B$ means A is the husband of B; $A \div B$ means A is the sister of B and $A \times B$ means A is the son of B. How is P related to S in $P \times Q + R \div S$?
a) Brother
b) Nephew
c) Son
d) Brother-in-law
Ans: b)
Solution: $P \times Q$ (P is son of Q) $\rightarrow$ $Q + R$ (Q is husband of R) $\rightarrow$ $R \div S$ (R is sister of S). Since R is P’s mother and S is R’s sibling, S is P’s uncle/aunt. P is the Nephew.
Q.16: B is the father of Q. B has only two children. Q is the brother of R. R is the daughter of P. A is the granddaughter of P. S is the father of A. How is S related to Q?
a) Son
b) Brother-in-law
c) Brother
d) Son-in-law
Ans: b)
Solution: B and P are a couple. Their children are Q (son) and R (daughter). A is the granddaughter of P and S is A’s father, meaning S is R’s husband. The husband of a sister is a Brother-in-law.
Q.17: Pointing to a man in a photograph, a woman said, “His brother’s father is the only son of my grandfather.” How is the woman related to the man?
a) Sister
b) Aunt
c) Daughter
d) Mother
Ans: a)
Solution: Grandfather’s only son is the woman’s father. This man is also the father of the man in the photo. They are Siblings.
Q.18: If $M \times N$ means M is the daughter of N; $M + N$ means M is the father of N; $M \% N$ means M is the mother of N and $M – N$ means M is the brother of N. In $P \% Q + R – S$, how is P related to S?
a) Mother
b) Grandmother
c) Aunt
d) Sister
Ans: b)
Solution: $Q + R$ (Q is father of R) $\rightarrow$ $R – S$ (R is brother of S). Q is the father of S. $P \% Q$ means P is the mother of Q. The mother of a father is a Grandmother.
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Q.19: $K$ is the brother of $T$. $M$ is the mother of $K$. $W$ is the brother of $M$. How is $W$ related to $T$?
a) Maternal Uncle
b) Paternal Uncle
c) Grandfather
d) Data inadequate
Ans: a)
Solution: K and T are siblings. M is their mother. W is the brother of mother M. Thus, W is the Maternal Uncle.
Q.20: A is the mother of B and C. If D is the husband of C, what is A to D?
a) Mother
b) Sister
c) Mother-in-law
d) Aunt
Ans: c)
Solution: A is the mother of C. D is the husband of C. A is the Mother-in-law of D.
Q.21: $A$ is the uncle of $B$ who is the daughter of $C$ and $C$ is the daughter-in-law of $P$. How is $A$ related to $P$?
a) Brother
b) Son
c) Son-in-law
d) Data inadequate
Ans: b)
Solution: C is the daughter-in-law of P, so P’s son is C’s husband. Since A is the uncle of C’s daughter B, A must be the brother of C’s husband. Thus, A is the Son of P.
Q.22: $P$ is the brother of $Q$ and $R$. $S$ is $R$‘s mother. $T$ is $P$‘s father. Which of the following statements cannot be said to be definitely true?
a) T is Q’s father
b) S is P’s mother
c) P is S’s son
d) Q is T’s son
Ans: d)
Solution: T and S are the father and mother of P, Q, and R. While P is confirmed as a brother (male), the gender of Q is not specified. Q could be a daughter.
Q.23: If $A + B$ means A is the son of B; $A – B$ means A is the wife of B. What does $P + R – Q$ mean?
a) Q is the father of P
b) Q is the son of P
c) P is the father of Q
d) R is the father of P
Ans: a)
Solution: $R – Q$ (R is wife of Q, so Q is husband/father). $P + R$ (P is son of R). Therefore, Q is the Father of P.
Q.24: 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?
a) Mother’s sister
b) Grandmother
c) Mother-in-law
d) Sister of Father-in-law
Ans: d)
Solution: My wife’s brother is my brother-in-law. His father is my father-in-law. That father-in-law is the “only brother” of the lady. So she is the Sister of the father-in-law.
Q.25: $A$ is the father of $X$. $B$ is the mother of $Y$. The sister of $X$ and $Z$ is $Y$. Which of the following is definitely true?
a) B is the wife of A
b) B is the daughter of A
c) Y is the son of A
d) X is the sister of Z
Ans: a)
Solution: X, Y, and Z are siblings. A is the father and B is the mother. Therefore, A and B are husband and wife.