138 Reasoning question on blood relations

Here are a few examples:

Example 1:

Question:
A woman is looking at a picture of a man. Her friend asks, “Who are you looking at?” The woman replies, “Brothers and sisters, I have none. But the father of the man in the picture is my father’s son.”
Who is the man in the picture?

Solution:
The woman says that the father of the man in the picture is her father’s son, which means the father of the man in the picture is her brother. Therefore, the man in the picture must be her son.

Example 2:

Question:
Pointing to a photograph, Tom says, “The father of the man in the picture is my father’s only son.”
Who is the man in the picture?

Solution:
Tom refers to “my father’s only son,” which must be himself. Therefore, the man in the picture is Tom’s son.

Example 3:

Question:
A man is looking at a picture of a woman. His friend asks, “Who are you looking at?” The man replies, “The woman in the picture is my daughter, but the daughter of my daughter is my only granddaughter.”
Who is the woman in the picture?

Solution:
The man says that the woman in the picture is his daughter, so the woman is the man’s daughter.

Example 4:

Question:
In a family of six members P, Q, R, S, T, and U, there are two married couples. P is the father of Q, who is married to R. T is the sister of U and is the granddaughter of P. How is R related to T?

Solution:

• P is the father of Q, and Q is married to R.
• T is the sister of U, and T is the granddaughter of P, so U is also a grandchild of P.
• Therefore, R is the brother-in-law of T.

Example 5:

Question:
If M is the brother of N, N is the father of O, and O is the daughter of P, how is M related to P?

Solution:

• M is the brother of N, so N and M are siblings.
• N is the father of O, so N is O’s father.
• O is the daughter of P, so P is O’s parent.
  Therefore, M is the brother-in-law of P.

Example 6:

Question:
A woman is looking at a photo of a man. Her friend asks, “Who is this man in the photo?” The woman replies, “He is the son of the only brother of my mother.”
Who is the man in the photo?

Solution:
The woman says, “The only brother of my mother” means her uncle. So, the man in the photo is the son of her uncle, which makes him her cousin.

Example 7:

Question:
A man said to a woman, “Your mother’s only brother is my father.”
How is the woman related to the man?

Solution:

• The woman’s mother’s only brother is her uncle.
• The man says that the woman’s uncle is his father.
• So, the man is the woman’s cousin.

Example 8:

Question:
Pointing to a boy, a man said, “He is the son of my only daughter.”
How is the man related to the boy?

Solution:

• The man says the boy is the son of his only daughter.
• Therefore, the man is the grandfather of the boy.

Example 9:

Question:
A woman is talking to her friend. She says, “My father is married to my mother, and they have a son. That son is my brother, and he is married to a woman who is my daughter-in-law.”
How is the woman related to her daughter-in-law?

Solution:

• The woman’s son is married to her daughter-in-law.
• Therefore, the woman is the mother-in-law of her daughter-in-law.

Example 10:

Question:
A man’s father is the brother of a woman’s mother. How is the man related to the woman?

Solution:

• The man’s father is the brother of the woman’s mother, meaning the man’s father is the uncle of the woman.
• Therefore, the man is the nephew of the woman.

Example 11:

Question:
A man said to a woman, “Your father’s only son is my brother.”
How is the man related to the woman?

Solution:

• “Your father’s only son” refers to the woman’s brother.
• The man says this brother is his brother as well.
• Therefore, the man is the husband of the woman.

Example 12:

Question:
A woman said to a man, “My mother’s sister is your mother’s mother.”
How are the two people related?

Solution:

• The woman’s mother’s sister is her aunt.
• The man’s mother’s mother is his grandmother.
• Therefore, the woman’s aunt is the man’s grandmother, which means the two people are siblings (i.e., the woman is the man’s sister).

Example 13:

Question:
A man is the father of his own father’s only son. How is the man related to his father?

Solution:

• The man is the father of his father’s only son, which must be himself.
• Therefore, the man is his own father’s son, which makes the man the son of his father.

Example 14:

Question:
A man said, “The father of the girl I am looking at is my son.”
How is the girl related to the man?

Solution:

• The man says that the father of the girl he is looking at is his son.
• Therefore, the girl must be the granddaughter of the man.

Example 15:

Question:
A man’s mother is the daughter of another man. What is the relationship between the second man and the first man?

Solution:

• The second man’s daughter is the mother of the first man.
• Therefore, the second man is the grandfather of the first man.

Example 16:

Question:
A woman is speaking to a man, saying, “I have one son. His father is your son.”
How is the woman related to the man?

Solution:

• The woman says that her son’s father is the man’s son.
• Therefore, the man is the father of the woman’s husband, which means the woman is the daughter-in-law of the man.

Example 17:

Question:
Pointing to a woman, a man says, “She is the daughter of my father’s only daughter.”
How is the woman related to the man?

Solution:

• The man’s father’s only daughter is the man’s sister.
• Therefore, the woman is the niece of the man.

Example 18:

Question:
A woman said to a man, “The only son of my father is your brother.”
How is the man related to the woman?

Solution:

• The only son of the woman’s father is the woman’s brother.
• The man is the brother of the woman, so they are siblings.

Example 19:

Question:
A man is looking at a photo. His friend asks, “Who are you looking at?” The man replies, “The woman in this photo is my mother’s only daughter.”
Who is the woman in the photo?

Solution:

• The man says that the woman in the photo is his mother’s only daughter.
• Therefore, the woman in the photo is the man’s sister.

Example 20:

Question:
A man says, “The mother of my son is the sister of my wife’s brother.”
How is the woman related to the man?

Solution:

• The man says the mother of his son is the sister of his wife’s brother.
• The wife’s brother’s sister is the wife of the man.
• Therefore, the woman is the wife of the man.

Example 21:

Question:
Pointing to a photograph, a man says, “The man in this photograph is my father’s brother.”
Who is the man in the photograph to the speaker?

Solution:

• The man’s father’s brother is his uncle.
• Therefore, the man in the photograph is the speaker’s uncle.

Example 22:

Question:
A man is the brother of the mother of a boy. How is the boy related to the man?

Solution:

• The man is the brother of the boy’s mother.
• Therefore, the boy is the nephew of the man.

Example 23:

Question:
A man is married to a woman who has one brother. The brother of the woman is married to a woman who has one son. How is the son related to the man?

Solution:

• The man’s wife has a brother.
• The brother of the wife is married to a woman who has a son.
• Therefore, the son is the nephew of the man’s wife, making the son the nephew-in-law of the man.

Example 24:

Question:
A man said, “The woman sitting in front of me is my daughter’s mother’s daughter.”
How is the woman sitting in front of him related to him?

Solution:

• The woman’s mother is the man’s wife.
• The woman is the daughter of the man’s wife, so the woman is the man’s daughter.

Example 25:

Question:
A woman is talking to a man and says, “Your brother’s daughter is my daughter-in-law.”
How is the woman related to the man?

Solution:

• The woman says that the man’s brother’s daughter is her daughter-in-law.
• Therefore, the woman’s son is married to the man’s niece, which means the woman is the mother-in-law of the man’s niece.
• So, the woman is the mother-in-law of the man’s niece.

Example 26:

Question:
A man said, “The person in the photograph is the daughter of the wife of my father’s only son.”
Who is the person in the photograph?

Solution:

• The man refers to “my father’s only son,” which is himself (since he is the only son of his father).
• The wife of the man’s father’s only son is the man’s mother.
• Therefore, the person in the photograph is the man’s daughter.

Example 27:

Question:
A woman said, “The brother of my father’s son is my husband.”
How is the man related to the woman?

Solution:

• The “father’s son” is the woman’s brother.
• The “brother of my father’s son” must be the woman’s husband.
• Therefore, the woman’s husband is her brother-in-law.

Example 28:

Question:
Pointing to a photograph, a man said, “This is my father’s brother’s only son.”
Who is in the photograph?

Solution:

• The man’s father’s brother is his uncle.
• His uncle’s only son is his cousin.
• Therefore, the person in the photograph is the man’s cousin.

Example 29:

Question:
A man is the father of two children. One is his son, and the other is his daughter’s husband’s son. How is the man related to his son-in-law?

Solution:

• The man’s daughter’s husband’s son is the son-in-law’s son, which makes him the grandson of the man.
• The man is the father-in-law of his son-in-law.

Example 30:

Question:
A woman is the sister of the father of my daughter.
How is the woman related to me?

Solution:

• The father of the woman’s daughter is her brother.
• The woman is the aunt of the daughter.
• Therefore, the woman is the mother-in-law of the speaker.

Example 31:

Question:
The son of the father of my wife’s brother is my nephew.
Who is the nephew in the question?

Solution:

• The father of the wife’s brother is the father-in-law of the speaker.
• The son of the father of the wife’s brother is the nephew.
• Therefore, the nephew is the speaker’s son.

Example 32:

Question:
A man says, “I have one daughter and one son. My son is married to the sister of my daughter’s husband.”
How is the son-in-law related to the man?

Solution:

• The man’s daughter’s husband’s sister is the daughter-in-law.
• Therefore, the son-in-law is the husband of the speaker’s daughter.

Example 33:

Question:
A woman says, “The daughter of my daughter’s husband is my daughter.”
How is the woman related to the daughter of her daughter’s husband?

Solution:

• The daughter of the daughter’s husband is the woman’s granddaughter.
• Therefore, the woman is the grandmother of the daughter of her daughter’s husband.

Example 34:

Question:
A man says, “The father of my uncle’s only son is my grandfather.”
How is the man related to the son of the man’s uncle?

Solution:

• The man says, “The father of my uncle’s only son is my grandfather,” which means the son of the uncle is the grandson.
• Therefore, the man is related as the grandfather.

Example 35:

Question:
A woman has a brother who is married to a woman who has a son. How is the woman’s son related to the man’s son?

Solution:

• The woman’s brother is the man’s brother-in-law.
• Therefore, the woman’s son is the nephew of the man.
• Hence, the two children are nephews.

Example 36:

Question:
A man said to a woman, “The father of your mother’s father is my father.”
How are the man and the woman related?

Solution:

• The father of the woman’s mother’s father is the woman’s great-grandfather.
• The man refers to the father of his own father.
• Therefore, the man is the great-grandfather of the woman.

Example 37:

Question:
A man is looking at a picture. His friend asks, “Who are you looking at?” The man replies, “The woman in the picture is my brother’s wife.”
Who is the woman in the picture to the man?

Solution:

• The woman in the picture is the brother’s wife.
• Therefore, the woman in the picture is the sister-in-law of the man.

Example 38:

Question:
A man said, “The wife of my father’s son is my mother.”
Who is the man referring to?

Solution:

• The man says the wife of his father’s son is his mother.
• The man’s father’s son is himself.
• Therefore, the man is referring to his wife.

Example 39:

Question:
A man is looking at a photograph of a woman. His friend asks, “Who is that woman?” The man replies, “She is the daughter of my father’s only daughter.”
Who is the woman in the photograph?

Solution:

• The man’s father’s only daughter is his sister.
• Therefore, the woman in the photograph is the niece of the man.

Example 40:

Question:
Pointing to a photograph, a man says, “This is my father’s sister’s only daughter.”
Who is in the photograph?

Solution:

• The man’s father’s sister is his aunt.
• The aunt’s only daughter is the man’s cousin.
• Therefore, the person in the photograph is the cousin of the man.

Example 41:

Question:
A man said, “The daughter of the brother of my mother is my cousin.”
How is the cousin related to the man?

Solution:

• The daughter of the brother of the man’s mother is the cousin of the man.
• Therefore, the cousin is the daughter of the brother of the man’s mother.

Example 42:

Question:
A man says, “The woman sitting beside me is the wife of the father of my daughter’s husband.”
How is the woman related to the man?

Solution:

• The “father of my daughter’s husband” is the father-in-law of the man’s daughter.
• The wife of that man is the mother-in-law of the man’s daughter, which makes her the mother-in-law of the speaker.
• Therefore, the woman is the mother-in-law of the man.

Example 43:

Question:
A woman said, “The daughter of my daughter’s brother is my daughter.”
How is the woman related to her daughter’s daughter’s brother?

Solution:

• The daughter of the woman’s daughter’s brother is the woman’s granddaughter.
• Therefore, the woman is the mother of her daughter’s daughter’s brother.

Example 44:

Question:
A man said, “The daughter of my father’s brother is my cousin.”
How is the cousin related to the man?

Solution:

• The daughter of the father’s brother is the cousin of the man.
• Therefore, the cousin is the daughter of the man’s uncle.

Example 45:

Question:
A woman said, “The son of my father’s sister is my son’s father.”
Who is the son of the father’s sister?

Solution:

• The son of the father’s sister is the woman’s cousin.
• The cousin of the woman is the father of her son.
• Therefore, the son of the father’s sister is the husband of the woman.

Example 46:

Question:
A man said, “The daughter of my only brother is my niece.”
How is the niece related to the man?

Solution:

• The daughter of the man’s only brother is his niece.
• Therefore, the niece is the daughter of the man’s brother.

Example 47:

Question:
A man says, “The wife of my father’s only son is my mother.”
Who is the man talking about?

Solution:

• The man says that the wife of his father’s only son is his mother.
• Therefore, the man is talking about his mother.

Example 48:

Question:
A man said to a woman, “Your mother’s son is my brother.”
How is the man related to the woman?

Solution:

• The woman’s mother’s son is her brother.
• The man refers to this brother as his own brother.
• Therefore, the man is the husband of the woman.

Example 49:

Question:
A woman says, “My brother’s son is my son’s son.”
How is the man related to the woman?

Solution:

• The woman says that her brother’s son is her son’s son.
• Therefore, the man is the grandson of the woman’s brother.

Example 50:

Question:
A man said, “The only son of my father’s only son is my son.”
How is the man related to his son?

Solution:

• The only son of the man’s father’s only son is the man himself (since he is the only son of his father).
• Therefore, the man is the father of his son.

Example 51:

Question:
A woman says, “The only son of my father’s only daughter is my brother.”
How is the woman related to her brother?

Solution:

• The woman’s father’s only daughter is the woman herself.
• The only son of the woman’s father’s only daughter is her brother.
• Therefore, the woman is the sister of her brother.

Example 52:

Question:
A man is married to a woman who has one brother. The brother of the woman is married to a woman who has one son. How is the man related to the son?

Solution:

• The brother of the woman is the brother-in-law of the man.
• The woman’s brother is married to a woman who has a son.
• Therefore, the son is the nephew of the man.

Example 53:

Question:
A man is speaking to a woman, saying, “The father of my son is my brother.”
How is the woman related to the man?

Solution:

• The father of the man’s son is his brother.
• Therefore, the woman is the sister-in-law of the man.

Example 54:

Question:
A woman said, “The daughter of my daughter’s daughter is my granddaughter.”
How is the woman related to her granddaughter?

Solution:

• The woman says that the daughter of her daughter’s daughter is her granddaughter.
• Therefore, the woman is the great-grandmother of the granddaughter.

Example 55:

Question:
A man said, “The son of my only brother’s only daughter is my son.”
How is the man related to his son?

Solution:

• The son of the man’s only brother’s only daughter is the man’s son.
• Therefore, the man is the father of his son.

Example 56:

Question:
A man is married to a woman who has one brother. The brother of the woman is married to a woman who has one son. How is the man related to the son?

Solution:

• The man’s wife’s brother is the brother-in-law of the man.
• The brother of the wife is married to a woman who has a son.
• Therefore, the son is the nephew of the man.

Example 57:

Question:
A woman says, “The son of my father’s only son is my son’s son.”
How is the son related to the woman?

Solution:

• The son of the woman’s father’s only son is her son’s son, which is her grandson.
• Therefore, the woman’s grandson is the son of the woman’s son.

Example 58:

Question:
A man said, “The son of my father’s brother is my brother’s son.”
How is the son of the father’s brother related to the speaker?

Solution:

• The father’s brother is the speaker’s uncle.
• The son of the speaker’s uncle is the speaker’s cousin.
• Therefore, the son of the father’s brother is the speaker’s cousin.

Example 59:

Question:
A woman said to a man, “The father of your father’s only son is my father.”
How is the man related to the woman?

Solution:

• The “father of your father’s only son” is the man’s grandfather.
• Therefore, the man is the husband of the woman.

Example 60:

Question:
A woman said to a man, “The daughter of my father’s only daughter is my daughter’s daughter.”
How is the man related to the woman?

Solution:

• The daughter of the woman’s father’s only daughter is the woman’s daughter.
• The daughter’s daughter is the granddaughter of the woman.
• Therefore, the man is related as the grandfather.

Example 61:

Question:
A man says, “The father of my brother’s daughter is my brother.”
How is the brother related to the man?

Solution:

• The father of the brother’s daughter is the brother of the man.
• Therefore, the man is the brother of the brother.

Example 62:

Question:
A man said to a woman, “The mother of my son’s daughter is my wife.”
How is the man related to the woman?

Solution:

• The man’s son’s daughter is his granddaughter.
• The mother of the granddaughter is the wife of the man.
• Therefore, the woman is the wife of the man.

Example 63:

Question:
A man says, “The son of my father’s only daughter is my cousin.”
How is the son of the father’s only daughter related to the speaker?

Solution:

• The father’s only daughter is the speaker’s sister.
• The son of the speaker’s sister is the nephew of the speaker.
• Therefore, the man is related to the nephew of his father’s only daughter.

Example 64:

Question:
A man said to a woman, “The daughter of your mother’s sister is my wife.”
How is the woman related to the man?

Solution:

• The woman’s mother’s sister is the woman’s aunt.
• The daughter of the woman’s aunt is her cousin.
• Therefore, the woman is the cousin of the man.

Example 65:

Question:
A man says, “The brother of my mother’s only son is my father.”
Who is the man referring to?

Solution:

• The “only son of my mother” refers to the man himself.
• Therefore, the brother of the man’s mother’s only son is the father of the man.
• So, the man is referring to his father.

Example 66:

Question:
A man said, “The son of my uncle is my son.”
How is the son of the uncle related to the man?

Solution:

• The son of the man’s uncle is his cousin.
• Since the man says the son of his uncle is his son, it must mean the speaker’s cousin is his son.
• Therefore, the man is the father of the speaker’s son.

Example 67:

Question:
A woman said, “The son of my father’s only son is my brother’s son.”
How is the woman related to her brother’s son?

Solution:

• The woman’s father’s only son is her brother.
• The son of her brother is her nephew.
• Therefore, the woman is the aunt of her brother’s son.

Example 68:

Question:
A man says, “The woman sitting next to me is the daughter of my father’s only daughter.”
Who is the woman sitting next to him?

Solution:

• The man’s father’s only daughter is the man’s sister.
• Therefore, the woman sitting next to the man is his niece.

Example 69:

Question:
A man said to a woman, “Your mother’s daughter is my daughter.”
How is the man related to the woman?

Solution:

• The “mother’s daughter” refers to the woman herself.
• The man says the woman is his daughter.
• Therefore, the man is the father of the woman.

Example 70:

Question:
A woman said, “The father of my only daughter’s daughter is my husband.”
How is the man related to the woman?

Solution:

• The woman’s only daughter’s daughter is her granddaughter.
• The father of her granddaughter is her son-in-law.
• Therefore, the man is the husband of the woman.

Example 71:

Question:
A man says, “The son of my brother’s wife is my son’s brother.”
How is the son related to the man?

Solution:

• The son of the man’s brother’s wife is the nephew of the man.
• Since the son of the brother’s wife is his son’s brother, it implies the man’s son and the nephew are brothers.
• Therefore, the son is the brother of the man’s son.

Example 72:

Question:
A woman says, “The son of my father’s only daughter is my nephew.”
How is the woman related to her nephew?

Solution:

• The woman’s father’s only daughter is the woman herself.
• The son of her father’s only daughter is her son.
• Therefore, the woman is the mother of her nephew.

Example 73:

Question:
A man says, “The daughter of my brother’s wife is my sister-in-law.”
How is the woman related to the man?

Solution:

• The daughter of the man’s brother’s wife is his niece.
• Since the man says she is his sister-in-law, the woman is the wife of the man’s brother.
• Therefore, the woman is the sister-in-law of the man.

Example 74:

Question:
A man said, “The daughter of my uncle is my cousin’s daughter.”
How is the daughter related to the man?

Solution:

• The man’s uncle’s daughter is the man’s cousin.
• The cousin’s daughter is the second cousin to the man.
• Therefore, the daughter is the second cousin of the man.

Example 75:

Question:
A man said, “The daughter of my father’s brother is my sister.”
How is the man related to the daughter?

Solution:

• The man’s father’s brother is his uncle.
• The daughter of the uncle is the man’s cousin.
• Since the man says the daughter of his uncle is his sister, this means the cousin is also his sister.

Also read : Verbal reasoning problems on ages

Example 76:

Question:
A woman says, “The daughter of my daughter’s husband is my granddaughter.”
How is the granddaughter related to the woman?

Solution:

• The daughter of the woman’s daughter’s husband is the woman’s granddaughter.
• Therefore, the granddaughter is the granddaughter of the woman.

Example 77:

Question:
A man says, “The mother of my only son’s only daughter is my wife.”
How is the man related to the daughter?

Solution:

• The mother of the man’s only son’s only daughter is the man’s wife.
• Therefore, the daughter is the daughter of the man’s son.
• Hence, the man is the grandfather of the daughter.

Example 78:

Question:
A man said to a woman, “The daughter of my only brother is my daughter’s sister.”
How is the woman related to the man?

Solution:

• The daughter of the man’s only brother is his niece.
• The man says the niece is his daughter’s sister, so the woman is the daughter of the speaker.
• Therefore, the man is the father of the woman.

Example 79:

Question:
A woman said to a man, “The father of my son’s wife is my husband.”
How is the man related to the woman?

Solution:

• The father of the woman’s son’s wife is her husband.
• Therefore, the man is the husband of the woman.

Example 80:

Question:
A man said, “The mother of my father’s only son is my wife.”
How is the wife related to the man?

Solution:

• The father’s only son is the man himself.
• The mother of the man’s father’s only son is his mother.
• Therefore, the man’s wife is the mother of the man.

Example 81:

Question:
A man says, “The mother of my father’s son is my wife.”
Who is the man referring to?

Solution:

• The “father’s son” is the man himself.
• The “mother of the father’s son” is his mother.
• Therefore, the man is referring to his wife, who must be his mother.

Example 82:

Question:
A man said, “The son of my mother’s only son is my son.”
Who is the man referring to?

Solution:

• The “mother’s only son” is the man himself.
• Therefore, the son of the man’s mother’s only son is his son.
• Hence, the man is referring to his son.

Example 83:

Question:
A woman said, “The daughter of my only brother’s only son is my daughter.”
How is the daughter related to the woman?

Solution:

• The woman’s only brother’s only son is the woman’s nephew.
• The daughter of the woman’s nephew is her granddaughter.
• Therefore, the woman’s daughter is her granddaughter.

Example 84:

Question:
A man says, “The brother of my mother’s daughter is my cousin.”
How is the cousin related to the man?

Solution:

• The “mother’s daughter” is the man’s sister.
• The “brother of the mother’s daughter” is the man himself.
• Therefore, the man’s cousin is his sister.

Example 85:

Question:
A man says, “The wife of my father’s only son is my mother.”
Who is the wife of the man’s father’s only son?

Solution:

• The “father’s only son” is the man himself.
• The wife of the man’s father’s only son is the man’s mother.
• Therefore, the man is talking about his mother.

Example 86:

Question:
A woman says, “The son of my father’s only daughter is my son.”
How is the woman related to her son?

Solution:

• The “father’s only daughter” is the woman herself.
• The son of the woman’s father’s only daughter is her son.
• Therefore, the woman is the mother of her son.

Example 87:

Question:
A man said, “The son of my only brother’s only daughter is my daughter.”
How is the man related to his daughter?

Solution:

• The “only brother’s only daughter” is the man’s niece.
• The son of the man’s niece is his grandson.
• Therefore, the man is the father of his daughter.

Example 88:

Question:
A woman said, “The son of my father’s only son is my brother’s son.”
How is the son of the brother’s son related to the woman?

Solution:

• The “father’s only son” is the woman’s brother.
• The son of the brother’s son is the nephew of the woman.
• Therefore, the woman is the aunt of the brother’s son.

Example 89:

Question:
A man said, “The son of my brother’s only daughter is my cousin’s son.”
How is the man related to his cousin’s son?

Solution:

• The “brother’s only daughter” is the man’s niece.
• The son of the niece is the great-nephew of the man.
• Therefore, the man is the uncle of his cousin’s son.

Example 90:

Question:
A woman said, “The daughter of my father’s only son is my daughter’s daughter.”
How is the woman related to her daughter’s daughter?

Solution:

• The “father’s only son” is the woman’s brother.
• The daughter of her brother is her niece.
• Therefore, the woman is the aunt of her daughter’s daughter.

Example 91:

Question:
A man said, “The daughter of my uncle’s only daughter is my cousin’s daughter.”
How is the cousin’s daughter related to the man?

Solution:

• The daughter of the man’s uncle’s only daughter is the niece of the man.
• Therefore, the cousin’s daughter is the second cousin of the man.

Example 92:

Question:
A woman said, “The father of my son’s daughter is my husband.”
How is the man related to the woman?

Solution:

• The father of the woman’s son’s daughter is her husband.
• Therefore, the man is the husband of the woman.

Example 93:

Question:
A man says, “The daughter of my father’s only daughter is my niece.”
How is the man related to his niece?

Solution:

• The “father’s only daughter” is the man’s sister.
• The daughter of the man’s sister is his niece.
• Therefore, the man is the uncle of his niece.

Example 94:

Question:
A woman said, “The son of my brother’s son is my son.”
How is the son related to the woman?

Solution:

• The son of the woman’s brother’s son is her grandson.
• Therefore, the son is the woman’s grandson.

Example 95:

Question:
A man says, “The daughter of my father’s only daughter is my daughter’s sister.”
How is the man related to the woman?

Solution:

• The “father’s only daughter” is the man’s sister.
• The daughter of his sister is the man’s niece.
• Therefore, the man is the uncle of the woman.

Example 96:

Question:
A man says, “The son of my father’s brother is my cousin.”
How is the cousin related to the man?

Solution:

• The son of the man’s father’s brother is the man’s cousin.
• Therefore, the man’s cousin is his cousin.

Example 97:

Question:
A man said, “The son of my father’s brother is my cousin.”
How is the cousin related to the man?

Solution:

• The son of the man’s father’s brother is his cousin.
• Therefore, the cousin is the cousin of the man.

Example 98:

Question:
A man says, “The daughter of my mother’s only son is my daughter.”
How is the man related to the daughter?

Solution:

• The “mother’s only son” is the man himself.
• Therefore, the daughter of the man’s mother’s only son is his daughter.
• Hence, the man is the father of the daughter.

Example 99:

Question:
A woman said, “The son of my brother’s wife is my son’s brother.”
How is the son related to the woman?

Solution:

• The son of the woman’s brother’s wife is the woman’s nephew.
• Since the son of her brother’s wife is the same as her son’s brother, the son is the woman’s son.
• Therefore, the woman is the mother of her son.

Example 100:

Question:
A man said, “The father of my father’s only son is my grandfather.”
Who is the man referring to?

Solution:

• The “father of my father’s only son” refers to the man’s grandfather.
• Therefore, the man is referring to his grandfather.

Example 101:

Question:
A man said, “The brother of my father’s only daughter is my cousin.”
How is the cousin related to the man?

Solution:

• The “father’s only daughter” is the man’s sister.
• The “brother of his father’s only daughter” is the man himself.
• Therefore, the cousin is the man’s sibling.

Example 102:

Question:
A man says, “The mother of my father’s only daughter is my wife.”
Who is the man referring to?

Solution:

• The “father’s only daughter” is the man’s sister.
• Therefore, the mother of the man’s father’s only daughter is the man’s mother.
• Hence, the man is referring to his wife.

Example 103:

Question:
A woman said, “The son of my brother’s only daughter is my cousin’s son.”
How is the cousin’s son related to the woman?

Solution:

• The “brother’s only daughter” is the woman’s niece.
• The son of her niece is her grandson.
• Therefore, the cousin’s son is the woman’s grandson.

Example 104:

Question:
A man said, “The daughter of my brother’s wife is my daughter.”
How is the daughter related to the man?

Solution:

• The “daughter of my brother’s wife” is the man’s niece.
• Since the daughter of the brother’s wife is his daughter, the man is her father.
• Therefore, the man is the father of the daughter.

Example 105:

Question:
A woman says, “The daughter of my only brother’s only son is my daughter.”
How is the woman related to the daughter?

Solution:

• The woman’s only brother’s only son is her nephew.
• The daughter of her nephew is her granddaughter.
• Therefore, the woman is the grandmother of the daughter.

Example 106:

Question:
A man says, “The brother of my father’s only son is my cousin.”
How is the cousin related to the man?

Solution:

• The “father’s only son” is the man himself.
• The “brother of the father’s only son” is the man’s brother.
• Therefore, the cousin is the sibling of the man.

Example 107:

Question:
A woman says, “The son of my brother’s daughter is my son.”
How is the son related to the woman?

Solution:

• The son of the woman’s brother’s daughter is her nephew.
• The man says this nephew is his son, so the woman is the mother of her son.

Example 108:

Question:
A man says, “The daughter of my brother’s only son is my wife’s daughter.”
How is the man’s wife related to the daughter?

Solution:

• The “brother’s only son” is the man’s nephew.
• The daughter of the man’s nephew is his granddaughter.
• Therefore, the man’s wife is the grandmother of the daughter.

Example 109:

Question:
A man says, “The father of my father’s only son is my father.”
Who is the man referring to?

Solution:

• The “father of my father’s only son” refers to the man’s father.
• Therefore, the man is referring to his father.

Example 110:

Question:
A man says, “The father of my only brother’s only daughter is my brother.”
How is the daughter related to the man?

Solution:

• The “only brother’s only daughter” is the man’s niece.
• The father of this daughter is the man’s brother.
• Therefore, the daughter is the man’s niece.

Example 111:

Question:
A woman says, “The son of my father’s only daughter is my son’s brother.”
How is the son related to the woman?

Solution:

• The “father’s only daughter” is the woman herself.
• The son of her father’s only daughter is her son.
• Therefore, the woman is the mother of her son.

Example 112:

Question:
A man says, “The daughter of my only brother’s only daughter is my wife.”
How is the man related to the woman?

Solution:

• The “only brother’s only daughter” is the man’s niece.
• The daughter of the niece is the man’s daughter.
• Therefore, the man is the husband of the woman.

Example 113:

Question:
A woman says, “The daughter of my son’s wife is my daughter.”
How is the daughter related to the woman?

Solution:

• The daughter of the woman’s son’s wife is her granddaughter.
• Therefore, the woman is the grandmother of the daughter.

Example 114:

Question:
A man said, “The daughter of my father’s only son is my niece.”
How is the man related to the niece?

Solution:

• The “father’s only son” is the man himself.
• The daughter of the man’s father’s only son is his daughter.
• Therefore, the niece is actually the man’s daughter.

Example 115:

Question:
A woman said, “The son of my brother’s only daughter is my daughter’s brother.”
How is the son related to the woman?

Solution:

• The “brother’s only daughter” is the woman’s niece.
• The son of her niece is the woman’s grandson.
• Therefore, the son is the woman’s grandson.

Example 116:

Question:
A man said, “The father of my father’s only son is my father.”
Who is the man referring to?

Solution:

• The “father of my father’s only son” refers to the man’s father.
• Therefore, the man is referring to his father.

Example 117:

Question:
A woman says, “The daughter of my father’s only son is my cousin’s daughter.”
How is the cousin’s daughter related to the woman?

Solution:

• The “father’s only son” is the woman’s brother.
• The daughter of the woman’s brother is her niece.
• Therefore, the cousin’s daughter is the woman’s niece.

Example 118:

Question:
A man says, “The son of my uncle’s daughter is my cousin.”
How is the cousin related to the man?

Solution:

• The “uncle’s daughter” is the man’s cousin.
• The son of the cousin is the man’s second cousin.
• Therefore, the cousin is the second cousin of the man.

Example 119:

Question:
A woman says, “The son of my father’s only son is my nephew.”
How is the son related to the woman?

Solution:

• The “father’s only son” is the woman’s brother.
• The son of her brother is her nephew.
• Therefore, the woman is the aunt of the son.

Example 120:

Question:
A man says, “The son of my father’s only daughter is my son.”
Who is the man referring to?

Solution:

• The “father’s only daughter” is the man’s sister.
• The son of his sister is his nephew.
• Therefore, the man is referring to his nephew.

Example 121:

Question:
A woman says, “The son of my father’s only son is my son’s brother.”
How is the son related to the woman?

Solution:

• The “father’s only son” is the woman’s husband.
• The son of the woman’s husband is her son.
• Therefore, the woman is the mother of her son.

Example 122:

Question:
A man says, “The son of my father’s only daughter is my nephew’s brother.”
How is the son related to the man?

Solution:

• The “father’s only daughter” is the man’s sister.
• The son of the man’s sister is his nephew.
• Therefore, the son is the nephew of the man.

Example 123:

Question:
A man says, “The brother of my father’s only son is my cousin.”
How is the cousin related to the man?

Solution:

• The “father’s only son” is the man himself.
• The “brother of the father’s only son” is the man’s brother.
• Therefore, the cousin is the sibling of the man.

Example 124:

Question:
A woman says, “The son of my daughter’s only son is my grandson.”
How is the grandson related to the woman?

Solution:

• The son of the woman’s daughter’s only son is her great-grandson.
• Therefore, the grandson is the great-grandson of the woman.

Example 125:

Question:
A man said, “The daughter of my uncle’s only son is my sister.”
Who is the man referring to?

Solution:

• The “uncle’s only son” is the man’s father.
• The daughter of the father is the man’s sister.
• Therefore, the man is referring to his sister.

Example 126:

Question:
A man said, “The father of my only daughter’s only son is my husband.”
How is the man related to the woman?

Solution:

• The “father of my only daughter’s only son” is the woman’s husband.
• Therefore, the man is the husband of the woman.

Example 127:

Question:
A woman says, “The daughter of my brother’s wife is my son’s sister.”
How is the daughter related to the woman?

Solution:

• The “daughter of my brother’s wife” is the woman’s niece.
• The woman’s son’s sister is her daughter.
• Therefore, the woman is the mother of the daughter.

Example 128:

Question:
A man says, “The father of my father’s only son is my father.”
Who is the man referring to?

Solution:

• The “father of my father’s only son” refers to the man’s father.
• Therefore, the man is referring to his father.

Example 129:

Question:
A woman says, “The son of my father’s only daughter is my nephew’s brother.”
How is the son related to the woman?

Solution:

• The “father’s only daughter” is the woman herself.
• The son of her father’s only daughter is her son.
• Therefore, the woman is the mother of the son.

Example 130:

Question:
A man said, “The daughter of my brother’s only son is my cousin’s daughter.”
How is the cousin’s daughter related to the man?

Solution:

• The “brother’s only son” is the man’s nephew.
• The daughter of the man’s nephew is his granddaughter.
• Therefore, the cousin’s daughter is the man’s granddaughter.

Example 131:

Question:
A man says, “The son of my father’s only daughter is my cousin’s son.”
How is the cousin’s son related to the man?

Solution:

• The “father’s only daughter” is the man’s sister.
• The son of the man’s sister is his nephew.
• Therefore, the cousin’s son is the man’s nephew.

Example 132:

Question:
A woman says, “The daughter of my brother’s daughter is my son’s sister.”
How is the daughter related to the woman?

Solution:

• The “brother’s daughter” is the woman’s niece.
• The daughter of the woman’s niece is her granddaughter.
• Therefore, the daughter is the woman’s granddaughter.

Example 133:

Question:
A man says, “The father of my father’s only daughter is my uncle.”
Who is the man referring to?

Solution:

• The “father’s only daughter” is the man’s sister.
• The father of the man’s sister is his father.
• Therefore, the man is referring to his uncle.

Example 134:

Question:
A woman says, “The son of my father’s only daughter is my nephew.”
How is the son related to the woman?

Solution:

• The “father’s only daughter” is the woman herself.
• The son of the woman’s father’s only daughter is her son.
• Therefore, the woman is the mother of the son.

Example 135:

Question:
A man says, “The daughter of my only brother’s only daughter is my wife.”
How is the man related to the woman?

Solution:

• The “only brother’s only daughter” is the man’s niece.
• The daughter of his niece is his granddaughter.
• Therefore, the man is the husband of the woman.

Example 136:

Question:
A woman says, “The son of my father’s only daughter is my daughter’s brother.”
How is the son related to the woman?

Solution:

• The “father’s only daughter” is the woman herself.
• The son of her father’s only daughter is her son.
• Therefore, the woman is the mother of the son.

Example 137:

Question:
A man says, “The son of my brother’s only daughter is my nephew’s son.”
How is the nephew’s son related to the man?

Solution:

• The “brother’s only daughter” is the man’s niece.
• The son of the man’s niece is his grandson.
• Therefore, the nephew’s son is the man’s grandson.

Example 138:

Question:
A woman says, “The daughter of my father’s only son is my sister.”
How is the woman related to her sister?

Solution:

• The “father’s only son” is the woman’s brother.
• The daughter of her father’s only son is her niece.
• Therefore, the woman is the mother of her sister.

Example 139:

Question:
A man says, “The daughter of my father’s only son is my niece’s sister.”
How is the daughter related to the man?

Solution:

• The “father’s only son” is the man himself.
• The daughter of the man’s father’s only son is his daughter.
• Therefore, the daughter is the sister of the man.

Example 140:

Question:
A woman says, “The son of my father’s only daughter is my son’s brother.”
How is the son related to the woman?

Solution:

• The “father’s only daughter” is the woman herself.
• The son of her father’s only daughter is her son.
• Therefore, the woman is the mother of the son.

Example 141:

Question:
A man says, “The daughter of my brother’s only son is my cousin’s daughter.”
How is the cousin’s daughter related to the man?

Solution:

• The “brother’s only son” is the man’s nephew.
• The daughter of his nephew is his granddaughter.
• Therefore, the cousin’s daughter is the man’s granddaughter.

Example 142:

Question:
A woman says, “The daughter of my only brother’s only daughter is my daughter.”
How is the daughter related to the woman?

Solution:

• The woman’s “only brother’s only daughter” is her niece.
• The daughter of the woman’s niece is her granddaughter.
• Therefore, the daughter is the woman’s granddaughter.

Example 143:

Question:
A man says, “The son of my brother’s daughter is my cousin’s son.”
How is the cousin’s son related to the man?

Solution:

• The “brother’s daughter” is the man’s niece.
• The son of his niece is his grandson.
• Therefore, the cousin’s son is the man’s grandson.

Example 144:

Question:
A man says, “The father of my father’s only daughter is my grandfather.”
Who is the man referring to?

Solution:

• The “father’s only daughter” is the man’s mother.
• The father of his mother is the man’s grandfather.
• Therefore, the man is referring to his grandfather.

Example 145:

Question:
A woman says, “The daughter of my father’s only daughter is my daughter.”
How is the daughter related to the woman?

Solution:

• The “father’s only daughter” is the woman herself.
• The daughter of her father’s only daughter is her daughter.
• Therefore, the woman is the mother of the daughter.

Example 146:

Question:
A man says, “The son of my father’s only daughter is my nephew’s brother.”
How is the son related to the man?

Solution:

• The “father’s only daughter” is the man’s sister.
• The son of his sister is his nephew.
• Therefore, the son is the nephew of the man.

Example 147:

Question:
A woman says, “The daughter of my father’s only son is my niece’s daughter.”
How is the daughter related to the woman?

Solution:

• The “father’s only son” is the woman’s brother.
• The daughter of the woman’s brother is her niece.
• Therefore, the daughter is the woman’s niece’s daughter (great-niece).

Example 148:

Question:
A man says, “The daughter of my father’s only daughter is my niece’s daughter.”
How is the daughter related to the man?

Solution:

• The “father’s only daughter” is the man’s sister.
• The daughter of his sister is his niece.
• Therefore, the daughter is the man’s great-niece.

Example 149:

Question:
A man says, “The father of my father’s only daughter is my father.”
Who is the man referring to?

Solution:

• The “father’s only daughter” is the man’s mother.
• Therefore, the man is referring to his father.

Example 150:

Question:
A woman says, “The son of my brother’s only son is my son’s brother.”
How is the son related to the woman?

Solution:

• The “brother’s only son” is the woman’s nephew.
• The son of her nephew is her grandson.
• Therefore, the woman is the grandmother of the son.

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