Q.1: Pointing to a photograph, a man said, “I have no brother or sister but that man’s father is my father’s son.” Whose photograph was it?
a) His own
b) His son’s
c) His father’s
d) His nephew’s
Ans: b)
Solution: “My father’s son” (since he has no siblings) is the man himself. The statement then becomes “That man’s father is Me.” If I am that man’s father, the man in the photo is my son.
Q.2: A is B’s sister. C is B’s mother. D is C’s father. E is D’s mother. Then, how is A related to D?
a) Grandmother
b) Grandfather
c) Daughter
d) Granddaughter
Ans: d)
Solution: A and B are siblings. C is their mother. D is the mother’s father (Maternal Grandfather). Therefore, A is the granddaughter of D.
Q.3: Showing the man receiving the prize, Saroj said, “He is the brother of my uncle’s daughter.” Who is the man to Saroj?
a) Son
b) Brother-in-law
c) Nephew
d) Cousin
Ans: d)
Solution: Uncle’s daughter is Saroj’s cousin. The brother of a cousin is also a cousin.
Q.4: A and B are a married couple. X and Y are brothers. X is the brother of A. How is Y related to B?
a) Brother-in-law
b) Brother
c) Cousin
d) None of these
Ans: a)
Solution: Since X and Y are brothers and X is A’s brother, Y is also A’s brother. The brother of one’s spouse (A) is a brother-in-law to the other spouse (B).
Q.5: 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?
a) M – N x C + F
b) F – C + N x M
c) N + M – F x C
d) M x N – C + F
Ans: d)
Solution: M x N (M is father of N) $\rightarrow$ N – C (N is sister of C) $\rightarrow$ C + F (C is brother of F). This makes C the son of M.
Q.6: Introducing a man, a woman said, “He is the only son of my mother’s mother.” How is the woman related to the man?
a) Mother
b) Cousin
c) Niece
d) Aunt
Ans: c)
Solution: Mother’s mother is the Grandmother. Her only son is the woman’s Maternal Uncle (Mama). The woman is his niece.
Q.7: P is the mother of Q and R. If S is the husband of R, what is P to S?
a) Mother
b) Mother-in-law
c) Sister
d) Aunt
Ans: b)
Solution: P is the mother of R. S is the husband of R. Therefore, P is the mother-in-law of S.
Q.8: If $A$ is the son of $Q$, $Q$ and $Y$ are sisters, $Z$ is the mother of $Y$, $P$ is the son of $Z$, then which of the following statements is correct?
a) P and A are cousins
b) P is the maternal uncle of A
c) Q is the grandfather of A
d) C is the brother of A
Ans: b)
Solution: Z is the mother of Q, Y, and P (since they are siblings). P is the brother of Q. Since Q is A’s mother, P is A’s maternal uncle.
Q.9: Pointing to a photograph, Vipul said, “She is the daughter of my grandfather’s only son.” How is Vipul related to the girl in the photograph?
a) Father
b) Brother
c) Cousin
d) Uncle
Ans: b)
Solution: Grandfather’s only son is Vipul’s father. The daughter of Vipul’s father is Vipul’s sister. Thus, Vipul is her brother.
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Q.10: 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?
a) His son
b) His cousin
c) His uncle
d) His nephew
Ans: a)
Solution: “My father’s son” (with no siblings) is Harsh. “Wife of Harsh” is the mother of the man in the portrait. Therefore, the man is Harsh’s son.
Q.11: Q is the son of P, X is the daughter of Q, R is the aunty (paternal) of X and L is the son of R, then what is L to P?
a) Grandson
b) Granddaughter
c) Daughter
d) Nephew
Ans: a)
Solution: Q is P’s son. X is Q’s daughter. R is the paternal aunt of X, which means R is Q’s sister and thus P’s daughter. L is the son of R. Since R is P’s daughter, her son L is P’s grandson.
Q.12: A man said to a lady, “Your mother’s husband’s sister is my aunt.” How is the lady related to the man?
a) Daughter
b) Granddaughter
c) Mother
d) Sister
Ans: d)
Solution: “Your mother’s husband” is the lady’s father. The “father’s sister” is the lady’s aunt (Bua). If that same person is also the man’s aunt, then the man and the lady share the same paternal aunt and father. They are siblings.
Q.13: If P is the brother of Q, R is the mother of Q, S is the father of R, T is the mother of S. How is P related to T?
a) Grandson
b) Great-grandson
c) Son
d) Grandmother
Ans: b)
Solution: P and Q are siblings. R is their mother. S is R’s father (P’s grandfather). T is S’s mother. Therefore, T is the mother of P’s grandfather, making P the great-grandson of T.
Q.14: A is B’s brother, C is A’s mother, D is C’s father, E is B’s son. How is D related to E?
a) Grandson
b) Great-grandfather
c) Great-grandson
d) Grandfather
Ans: b)
Solution: E is the son of B. B’s mother is C. So, C is E’s grandmother. D is C’s father. The father of one’s grandmother is a great-grandfather.
Q.15: Based on the statement “P is the father of Q and R is the son of S. T is the brother of P. Q is the sister of R.” How is S related to T?
a) Brother-in-law
b) Sister-in-law
c) Brother
d) Data inadequate
Ans: b)
Solution: Q and R are siblings (Q is R’s sister). P is the father of Q, so P is also the father of R. Since R is the son of S, S must be the mother and P’s wife. T is the brother of P. The wife of one’s brother is a sister-in-law.
Q.16: 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: “The brother of my wife” is the man’s brother-in-law. This person’s father is the man’s father-in-law. According to the question, this father is the “only brother” of the lady. Thus, the lady is the sister of the man’s father-in-law.
Q.17: X and Y are the children of A. A is the father of X but Y is not his son. How is Y related to A?
a) Daughter
b) Son-in-law
c) Sister
d) Niece
Ans: a)
Solution: Since X and Y are children of A, and it is explicitly stated that Y is not a son, Y must be the daughter.
Q.18: A is the father of C and D is the son of B. E is the brother of A. If C is the sister of D, how is B related to E?
a) Daughter
b) Sister-in-law
c) Husband
d) Brother
Ans: b)
Solution:C and D are siblings. A is the father of C, so A is also the father of D. Since D is the son of B, B must be the mother and A’s wife. E is the brother of A. A’s wife (B) is E’s sister-in-law.
Q.19: Pointing to a lady, Raman said, “She is the daughter of the woman who is the mother of the husband of my mother.” How is the lady related to Raman?
a) Mother
b) Aunt (Paternal)
c) Sister
d) Daughter
Ans: b)
Solution: “The husband of my mother” is Raman’s father. The “mother of his father” is Raman’s paternal grandmother. The daughter of the grandmother is Raman’s father’s sister, commonly known as an aunt (Bua).
Q.20: If $P \times Q$ means P is the daughter of Q; $P + Q$ means P is the father of Q; $P \div Q$ means P is the mother of Q and $P – Q$ means P is the brother of Q. In the expression $A \div B – C + D$, how is B related to D?
a) Maternal Uncle
b) Paternal Uncle
c) Father
d) Grandfather
Ans: b)
Solution: $A \div B$ (A is mother of B) $\rightarrow$ $B – C$ (B is brother of C) $\rightarrow$ $C + D$ (C is father of D). Since B is the brother of D’s father (C), B is the paternal uncle of D.
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Q.21: A party consists of a grandmother, father, mother, four sons and their wives and one son and two daughters to each of the sons. How many females are there in all?
a) 14
b) 16
c) 18
d) 24
Ans: a) (Calculation: 1 Grandmother + 1 Mother + 4 Wives + 8 Daughters = 14)
Solution:
1. Grandmother: 1
2. Mother: 1
3. Wives of 4 sons: 4
4. Daughters (2 per son $\times$ 4 sons): 8
Total: $1 + 1 + 4 + 8 = 14$ females.
Q.22: 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 many nephews does F have?
a) 0
b) 1
c) 2
d) 3
Ans: c) (A and D are nephews)
Solution: F is the maternal uncle of D, meaning F is the brother of D’s mother (C) and her sibling (B). F’s nephews are the male children of his siblings. B’s son is A, and C’s son is D. Therefore, F has 2 nephews (A and D).
Q.23: 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?
a) Grandson
b) Son
c) Nephew
d) Cousin
Ans: a)
Solution: “This man’s son’s sister” is the man’s daughter. If the man’s daughter is the woman’s mother-in-law, then the woman’s husband is the son of that daughter. The son of a person’s daughter is their grandson.
Q.24: Q’s mother is the sister of P and daughter of M. S is the daughter of P and sister of T. How is M related to T?
a) Grandmother
b) Grandfather
c) Father
d) Grandfather or Grandmother
Ans: d) (Gender of M is not specified)
Solution: M is the parent of P (and Q’s mother). P is the parent of T (since T is S’s sibling). Therefore, M is the grandparent of T. Since the gender of M is not specified in the text, M could be the grandfather or grandmother.
Q.25: Deepak has a brother Anil. Deepak is the son of Prem. Vimal is Prem’s father. In terms of relationship, what is Anil to Vimal?
a) Son
b) Grandson
c) Brother
d) Grandfather
Ans: b)
Solution: Deepak and Anil are brothers and both are sons of Prem. Vimal is Prem’s father. Thus, Prem’s sons (Deepak and Anil) are Vimal’s grandsons.