Blood Relations — Practice

Question 1

A is the brother of B. B is the daughter of C. C is the wife of D. How is D related to A?
(a) Father  (b) Uncle  (c) Brother  (d) Grandfather

Accepted Answer

C = D (spouses); A and B are their children ⇒ D is A's father.

Answer: (a) Father.

Question 2

Pointing to a photo, a woman said, 'She is the daughter of the only son of my mother.' The girl is the woman's:
(a) Daughter  (b) Niece  (c) Sister  (d) Cousin

Accepted Answer

'Only son of my mother' = the woman's brother; his daughter = the woman's niece.

Answer: (b) Niece.

Question 3

If A + B means A is mother of B, A − B means A is brother of B, A × B means A is father of B, then P × Q − R means P is R's:
(a) Mother  (b) Brother  (c) Father  (d) Uncle

Accepted Answer

P is father of Q; Q is brother of R ⇒ P is father of R.

Answer: (c) Father.

Question 4

X is the husband of Y. Z is the brother of Y. How is Z related to X?
(a) Brother  (b) Brother-in-law  (c) Father-in-law  (d) Cousin

Accepted Answer

Y's brother Z is X's brother-in-law.

Answer: (b) Brother-in-law.

Question 5

Pointing to a man, Sohan said, 'He is the son of my grandfather's only son.' How is the man related to Sohan (Sohan being male, and his father the only son)?
(a) Father  (b) Brother  (c) Uncle  (d) Son

Accepted Answer

'Grandfather's only son' = Sohan's father; 'son of my father' = Sohan's brother (Sohan himself is excluded as it's another person).

Answer: (b) Brother.

Question 6

P is the mother of Q. Q is the sister of R. R is the son of S. How is P related to S?
(a) Sister  (b) Wife  (c) Mother  (d) Daughter

Accepted Answer

P is mother of Q and R (Q is R's sister); S is the father of R ⇒ P and S are the parents ⇒ P is S's wife.

Answer: (b) Wife.

Practice — Blood Relations

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