Logical Ability: Blood Relations Flashcards

Pointing to a woman, Ramesh said, 'She is the daughter of the only child of my grandmother.' How is the woman related to Ramesh?

Answer: Sister

Ramesh's grandmother's only child is Ramesh's parent. The woman is that parent's daughter, so she is Ramesh's sister.

A is the father of B. C is the daughter of A. D is the brother of E. E is the daughter of B. Who is the grandmother of D?

Answer: Cannot be determined

D's parent is B (since D is brother of E, and E is B's daughter). B's mother is never mentioned, so D's grandmother cannot be determined.

If X is the brother of Y, Y is the sister of Z, and Z is the son of W, then how is X related to W?

Answer: Son

Z is son of W, so W is Z's parent. Y is sister of Z, so Y is W's child. X is brother of Y, so X is W's son (since X is male).

Introducing a boy, a girl says, 'He is the son of the daughter of the father of my uncle.' How is the boy related to the girl?

Answer: Brother

Father of her uncle = her grandfather. Daughter of grandfather = her mother. Son of her mother = her brother.

In a family of six: A has two sons B and C. D is the wife of B. E is the daughter of D. F is the only brother of E. Who is F's paternal grandfather?

Answer: A

E and F are children of B and D. B's father is A. Therefore F's father is B and F's paternal grandfather is A.

Rahul's mother is the only daughter of Monika's father. How is Monika's husband related to Rahul?

Answer: Father

Only daughter of Monika's father = Monika. So Monika is Rahul's mother. Monika's husband is Rahul's father.