Blood Relation Problems - Solved Examples

Example1: 

K’s father’s Sister’s father is L. How is L related to K?

(a)    Father

(b)   Uncle

(c)    Grandfather

(d)   Son

Explanation: Answer - (C) Here K’s Father’s sister is K’s Aunt. Her father is K’s father’s father. Therefore, L is grandfather of K.

Example 2 :

Pointing to a man in a photograph, a woman said " The father of his brother is the only son of my grandfather". How is the woman related to the man in the photograph?
(a)    Mother

(b)   Aunt

(c)    Daughter

(d)   Sister

 Explanation:Answer - (d) From the information, it is clear that the only son woman's grandfather is the father of the man.On comining these two informations toogether a single information emerges that the man's father is the woman's father.Hence woman is the sister of the man in the photograph.

Example 3:

U + V means U is the brother of V,

W – X means W is the father of S,

X  Y means X is the sister of Y,

Y  Z means Z is the mother of Y.

Which of the following means that N is the mother of O?

(a) L + M ÷ N × O

(b) L – M × O ÷ P

(c) N ÷ M × L ÷ O

(d) M + L ÷ O × N

 Explanation: Answer - (d) M + L ÷ O  N means M is the brother of L and L is the sister of O and N is the mother of O.