# Logical Family Relationship Questions, Riddles and Tests

#### Question No 1

A3P means A is the mother of P , A4P means A is the brother of P , A9P means A is the husband of P , A5P means A is the daughter of P ; Which of the following means that K is the mother-in-law of M?

Solution!
M9N = M is the husband of N! !N5K = N is the daughter of K! !Hence, M is the son-in-law of K! !K3J = K is the mother of J! !Hence, K is a lady! !Hence, K is the mother-in-law of M..

#### Question No 2

A man was accompanying a girl, on being asked who the girl was the man said, "Her father was the only son of my father". What was the girl to man?

Solution!
If I am a boy and I am only son of my father it means I am talking about myself.! !Same is the case here man is father of the girl..

#### Question No 3

A and B are children of D. Who is the father of A? To answer this question which of the statements (1) and (2) is necessary? (1) C is the brother of A and the son of E. (2) F is the mother B.

Solution!
A and B are children of D.! !From (1), C is the brother B and son of E.! !Since, the sex of D and E are not known. Hence (1) is not sufficient to answer the question.! !From (2). F is the mother of B. Hence, F is also the mother of A. Hence D is the father of A.! !Thus, (2) is sufficient to answer the question..

#### Question No 4

If A + B means A is the sister of B; A x B means A is the wife of B, A % B means A is the father of B and A - B means A is the brother of B. Which of the following means T is the daughter of P?

Solution!
P x Q = P is the wife of Q! !Q % R = Q is the father of R! !R - T = R is the brother of T! !T + S = T is the sister of S.! !Therefore, T is the daughter of P..

#### Question No 5

A little American and a big American are walking along a road. The little American is the big American's son. The big American is not the little American's father. Who is big American?

Solution!
Little American is son of big American but big American is not his father, then big American must be his mother..

#### Question No 6

Ali and Nadeem are brothers. Maria and Mariam are sisters. If Ali's son is Mariam's brother, them what is the relation of Nadeem to Maria?

Solution!
"Ali's son is Mariam's brothers" means Mariam and Maria are Ali's daughters.! !So Nadeem (brother of Ali) is Uncle of Maria..

#### Question No 7

Pointing to Varman, Madhav said, "I am the only son of one of the sons of his father." How is Varman related to Madhav?

Solution!
Madhav is the only son of one of the sons of Varman's father! !So, Either Varman is the father or uncle of Madhav..

#### Question No 8

Pointing to a girl Sandeep said, "She is the daughter of the only sister of my father." How is sandeep related to the girl?

Solution!
The girl is the daughter of the sister of Sandeep's father.! !Hence, the girl is the cousin or Sandeep is the cousin of the girl..

#### Question No 9

If A is the brother of B; B is the sister of C; and C is the father of D, how D is related to A?

Solution!
If D is Male, the answer is Nephew.! !If D is Female, the answer is Niece.! !As the sex of D is not known, hence, the relation between D and A cannot be determined.! !Note;! Niece - A daughter of one's brother or sister, or of one's brother-in-law or sister-in-law.!Nephew - A son of one's brother or sister, or of one's brother-in-law or sister-in-law..

#### Question No 10

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?

Solution!
The father of the boy's uncle = the grandfather of the boy! !daughter of the grandfather = sister of father..

#### Question No 11

Pointing towards a girl, Abhisek says, "This girl is the daughter of only a child of my father." What is the relation of Abhisek's wife to that girl?

Solution!
Only the child of my father means 'Abhisek' himself.!This means the girl is the daughter od Abhisek.! !Hence, Abhisek's wife is the mother of the girl..

#### Question No 12

If P + Q means P is the brother of Q; P x Q means P is the father of Q and P - Q means P is the sister of Q, which of the following relations shows that I is the niece of K?

Solution!
K + Y = K is the brother of Y! !Y x I = Y is the father of I! !Hence, K is the uncle of I! !and I - Z = I is the sister of Z! !Hence, I is the niece of K..

#### Question No 14

Pointing to a photograph. Bajpai said, "He is the son of the only daughter of the father of my brother." How Bajpai is related to the man in the photograph?

Solution!
The man in the photo is the son of the sister of Bajpai. Hence, Bajpai is the maternal uncle of the man in the photograph..

Solution!
A $B = A is the brother of B! !B * C = B is the son of C! !Hence, A is the son of C! !C / D = C is the wife of D! !Hence, C is the mother of A.. #### Question No 19 Anupam said to a lady sitting in a car, "The only daughter of the brother of my wife is the sister-in-law of the brother of your sister." How the husband of the lady is related to Anupam? #### Select the correct answer Solution! Anupam's son-in-law is the brother of the lady who was sitting in the car. Hence, the husband is also the son-in-law of Anupam.. #### Question No 20 If P$ Q means P is the father of Q; P # Q means P is the mother of Q and P * Q means P is the sister of Q, then N # L $P * Q shows which of the relation of Q to N? #### Select the correct answer Solution! As the sex of Q is not known, hence, data is inadequate.. #### Question No 21 If A + B means A is the brother of B; A x B means A is the son of B; and A % B means B is the daughter of A then which of the following means M is the maternal uncle of N? #### Select the correct answer Solution! Because the sex of O is not known.. #### Question No 22 Pointing to a photograph of a boy Suresh said, "He is the son of the only son of my mother." How is Suresh related to that boy? #### Select the correct answer Solution! The boy in the photograph is the only son of the son of Suresh's mother i.e., the son of Suresh.! !Hence, Suresh is the father of boy.. #### Question No 23 A and B are sisters. C and D are brothers. A is the mother of D, what is the relation of B to C. #### Select the correct answer Solution! As A is mother of D so A is also mother of C because C and D are brothers.! !B is sister of A which means B is Aunt of both C and D.. #### Question No 24 your father says, "I have four sons". But you say, "I have only three brothers". Who is wrong? #### Select the correct answer Solution! Both are correct. The boy who is talking excluded himself.. #### Question No 25 A child was accompanying a woman. On being asked who the boy was, the woman said, His mother was the only daughter of my mother. How has the boy related to the woman? #### Select the correct answer Solution! Woman's mother's only daughter means she is talking about herself. So she is the mother of the child.. #### Question No 26 Pointing to a woman, Abhijit said, "Her granddaughter is the only daughter of my brother." How is the woman related to Abhijit? #### Select the correct answer Solution! Daughter of Abhijit's brother = niece of Abhijit.! !Thus the granddaughter of the woman is Abhijit's niece.! !Hence, the woman is the mother of Abhijit.. #### Question No 27 Pointing to a boy in the photograph Reena said, "He is the only son of the only child of my grandfather." How Reena is related to that boy? #### Select the correct answer Solution! The boy in the photograph is the only son of Reena's grandfather's only son; i.e., the boy is the only son of Reena's father.! !Hence, the boy is the brother of Reena or Reena is the sister of the boy.. #### Question No 28 'A' is without sons and brothers, but the father of B is A's father's son. What is 'B' to 'A'? #### Select the correct answer Solution! A's father's son means A himself because A has no brother.! !So A is father of B.!As A has no son, B must be her daughter.. #### Question No 29 X & Y are the parents of Z but Z is not the son of X. What is Z to X. #### Select the correct answer Solution! X and Y are parents of Z. But Z is not the son of X its mean Z is the daughter of X.. #### Question No 30 Veena who is the sister-in-law of Ashok, is the daughter-in-law of Kalyani. Dheeraj is the father of Sudeep who is the only brother of Ashok. How Kalyani is related to Ashok? #### Select the correct answer Solution! Ashok is the only brother of Sudeep and Veena is the sister-in-law of Ashok.! !Hence Veena is the wife of Sudeep.! !Kalyani is the mother-in-law of Veena.!Kalyani is the mother of Ashok.. #### Question No 31 Pointing to a photograph Lata says, "He is the son of the only son of my grandfather." How is the man in the photograph related to Lata? #### Select the correct answer Solution! The man in the photograph is the son of the only son of Lata's grandfather i.e., the man is the son of Lata's father. Hence, the man is the brother of Lata.. #### Question No 32 The old man's son is my son's uncle. What is the old man to me? #### Select the correct answer Solution! My brother is my son's uncle so the father of my brother is also my father.. #### Question No 33 If A + B means B is the brother of A; A x B means B is the husband of A; A - B means A is the mother of B and A % B means A is the father of B, which of the following relations shows that Q is the grandmother of T? #### Select the correct answer Solution! Q - P = Q is the mother of P! !P + R = R is the brother of P! !Hence, Q is the mother of R! !R % T = R is the father of T.! !Hence, Q is the grandmother of T.. #### Question No 34 M is the father of N who is the son of V. In order to know the relation of M to P, which of the statement/statements is/are necessary? (1) P is the brother of V (2) The daughter of N is the granddaughter of V #### Select the correct answer Solution! M is the father of N and N is the son of V.! !Hence, V is the mother of N.! !From (1), P is the brother of V! !Therefore, M is the brother-in-law of P because V is the wife of M.! !From (2), the daughter of N, is the granddaughter of V.!From this we do not get any relation of M to P.. #### Question No 35 Pointing to a photograph Anjali said, "He is the son of the only son of my grandfather." How is the man in the photograph related to Anjali? #### Select the correct answer Solution! The man in the photograph is son of Anjali's grandfather's son i.e., the son of Anjali's father.! !Hence, the boy is the brother of Anjali.. #### Question No 36 Introducing a man, a woman said, "He is the only son of the mother of my mother." How is the woman related to the man? #### Select the correct answer Solution! The man is the only son of the mother of the woman.! !Hence, the man is the maternal uncle of the woman.! !So, the woman is the niece of the man.. #### Question No 37 B5D means B is the father of D , B9D means B is the sister of D , B4D means B is the brother of D , B3D means B is the wife of D ; Which of the following means F is the mother of K? #### Select the correct answer Solution! F3M = F is the wife of M! !M5K = M is the father of K! !Therefore, F is the mother of K.. #### Question No 38 A girl accompanied a woman. on being asked who the girl was, the woman replied. "She is the daughter of the wife of my mother's only son". How was the girl related to woman? #### Select the correct answer Solution! Woman's mother's only son means her brother and the girl is daughter of her brother.!So the girl is niece of the woman.. #### Question No 39 Pointing to Gopi, Nalni says, "I am the daughter of the only son of his grandfather." How Nalni is related to Gopi? #### Select the correct answer Solution! Nalni is the daughter of the only son of Gopi's grandfather.! !Hence, it's clear that Nalni is the sister of Gopi.. #### Question No 40 A is the father of B but B is not A's son. What is relationship of B to A. #### Select the correct answer Solution! A is father of B but B is not A's son, then B must be daughter of A.. #### Question No 41 A does not have any sons or brothers, but B's father is A's father's son. What is B to A? #### Select the correct answer Solution! A's father's son means A himself. And B is his child. may be daughter or son. In options only daughter is given so it must be the answer.. #### Question No 42 A said to B, My mother gave birth to a child, who was neither my brother nor my sister. Can you guess who was the child? #### Select the correct answer Solution! A's mother gave birth to A and A has no brother and no sister.!He is just talking about himself.. #### Question No 43 You are the son of my father's brother. What am I to you? #### Select the correct answer Solution! You are my uncle's child and I am your cousin.. #### Question No 44 John's mother is sister of David's brother. What is John to David? #### Select the correct answer Solution! David is brother of John's mother.! !So John is nephew of David.. #### Question No 45 If A is Brother of B but B is not Brother of A then who is B? #### Select the correct answer Solution! B is a girl and A is her brother.. #### Question No 46 P, the daughter of K is married to G, X and G are brothers, on the basis of this information tell how P is related to G. #### Select the correct answer Solution! "P, the daughter of K is married to G" means P is wife of G.. #### Question No 47 If A$ B means B is the father of A; A # B means B is the mother of A; A * B means B is the sister of A and A / B means B is the husband of A, which of the following indicates that N is the grandmother of P?

Solution!
No answer description available for this question..

#### Question No 48

P is the mother of K; K is the sister of D; D is the father of J. How is P related to J?

Solution!
P is the mother of K! !K is the sister of D! !D is the father of J.! !Therefore, J is the nephew or niece of K and P is the grandmother of J..

#### Question No 49

A tells B that the old man is the father of the lady by his side. The lady is the wife of A and the old man is grandpa of B, what is the relation between A and B?

Solution!
Old man is grandpa of B and A's wife is daughter of old man its mean the lady is the mother of B.!She is also A's wife. So, B is A's son..

#### Question No 50

Introducing a woman, Shashank said, "She is the mother of the only daughter of my son." How that woman is related to Shashank?

Solution!
The woman is the mother of Shashank's granddaughter.! !Hence, the woman is the daughter-in-law of Shashank. .

#### Question No 51

Amit said - "This girl is the wife of the grandson of my mother". How is Amit related to the girl?

Solution!
The girl is the wife of grandson of Amit's mother i.e., the girl is the wife of son of Amit.! !Hence, Amit is the father-in-law of the girl..

#### Question No 52

Deepak said to Nitin, "That boy playing with the football is the younger of the two brothers of the daughter of my father's wife." How is the boy playing football related to Deepak?

Solution!
Father's wife = mother.! !Hence, the daughter of the mother means sister and sister's younger brother means brother.! !Therefore, the boy is the brother of Deepak..

#### Question No 53

My mother is sister of your brother. What am I to you?

Solution!
"My mother is sister of your brother" you are brother of my mother and I am your nephew..

#### Question No 54

Pointing towards a man, a woman said, "His mother is the only daughter of my mother." How is the woman related to the man?

Solution!
Only daughter of my mother = myself.! !Hence, the woman is the mother of the man..

#### Question No 55

If A + B means A is the brother of B; A % B means A is the father of B and A x B means A is the sister of B. Which of the following means M is the uncle of P?

Solution!
M + K = M is the brother of K! !K % T = K is the father of T! !T x P = T is the sister of P! !Therefore, K is the father of P and M is the uncle of P..

#### Question No 56

Introducing Sonia, Aamir says, "She is the wife of only nephew of only brother of my mother." How Sonia is related to Aamir?

Solution!
Brother of mother means maternal uncle.! !Hence only nephew of Aamir's maternal uncle means Aamir himself.! !Therefore Sonia is the wife of Aamir..

#### Question No 57

A man pointing to Stephen said, "I have no brother or sister, but that man's father is my father's son". What is he to Stephen?

Solution!
The man who is pointing has no brother so Son of his father means he himself.! !So, he is Stephen's father..

#### Question No 58

If Preety's daughter is my son's mother, if I am male what am I to Preety?

Solution!
I am the husband of Preety's daughter because she is mother of my son. So Preety is my mother-in-law..

#### Question No 60

If P $Q means P is the brother of Q; P # Q means P is the mother of Q; P * Q means P is the daughter of Q in A # B$ C * D, who is the father?

Solution!
A is the mother of B, B is the brother of C and C is the daughter of D.! !Hence, D is the father..

#### Question No 61

If P + Q means P is the brother of Q; P x Q means P is the wife of Q and P % Q means P is the daughter of Q then which of the following means D is the uncle of A?

Solution!
No answer description available for this question..

#### Question No 62

A is the father of B, but B is not A's daughter. Establish relationship of B with A.

Solution!
A is father of B but B is not daughter of A, then B must be son of A..

#### Question No 63

If M x 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 then P % Q + R - T x K indicates which relation of P to K?

Solution!
P % Q = P is the mother of Q! !Q + R = Q is the father of R! !R - T = R is the brother of T! !Hence, Q is the father of T! !T x K = T is the daughter of K! !Hence, Q is the husband of K.! !Therefore, P is the mother-in-law of K..

#### Question No 64

Hussey introduced a girl to his friend and said, "Her mother is the only daughter of my Mother-in-law". What is the girl to Hussey?

Solution!
"Girl's mothers is only daughter of my mother-in-law" means Girls mother is the wife of Hussey. So Hussey is father of the girl..

#### Question No 65

A is Son of B but B is not the father of A. Who is B?

Solution!
B is female and she is mother of A.

#### Question No 66

If A + B means A is the mother of B; A - B means A is the brother B; A % B means A is the father of B and A x B means A is the sister of B, which of the following shows that P is the maternal uncle of Q?

Solution!
P - M = P is the brother of M! !M + N = M is the mother of N! !N x Q = N is the sister of Q! !Therefore, P is the maternal uncle of Q..

#### Question No 67

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?

Solution!
M x N = M is the father of N! !N - C = N is the sister of C! !and C + F = C is the brother of F.! !Hence, M is the father of C or C is the son of M..

#### Question No 68

Pointing to a lady a person said, "The son of her only brother is the brother of my wife." How is the lady related to the person?

Solution!
Brother of person's wife is brother-in-law of the person.! !Hence, the son of lady's brother is brother-in-law of the person.! !Therefore, the brother of the lady is the father-in-law of the person. Hence, the lady is the sister of the person's father-in-law..

#### Question No 69

A and B are married couple. X and Y are brothers. X is the brother of A. How is Y related to B.

Solution!
X and Y both are brothers of A!which means both are Brother-in-law of B..

#### Question No 70

Pointing to a person, Deepak said, "His only brother is the father of my daughter's father". How is the person related to Deepak?