BLOOD RELATION: Problems on Blood Relation involve analysis of certain blood relations. In these types of problem, you should give proper attention to find out the correct relation.
Some of the blood relations which is generally used in the question are given below in the tabular form:
Mother’s or father’s son | Brother |
Mother’s or father’s daughter | Sister |
Father’s brother | Uncle |
Father’s sister | Aunt |
Father’s Father | Grandfather |
Father’s mother | Grandmother |
Mother’s brother | Maternal Uncle |
Mother’s Sister | Maternal Aunt |
Son’s wife | Daughter in law |
Daughter’s Husband | Son-in-law |
Husband’s or wife’s brother | Brother-in-law |
Husband’s or wife’s sister | Sister-in-law |
Brother’s son | Nephew |
Brother’s daughter | Niece |
Sister’s husband | Brother in law |
Brother’s wife | Sister in law Great Grand Daughter |
Grandson’s daughter | Great Grand Daughter |
Granddaughter’s daughter | Great Grand Daughter |
Mother’s father | Maternal Grand Father |
Mother’s Mother | Maternal Grand Mother |
Note:
- If in a question if is not mention about paternal or maternal. By default, we consider the paternal type.
- We cannot determine the gender of a person by name.
- Male are represented by (square) or + (plus) sign and female are represented by (cycle) or 0 (minus) sign.
GENERATION TREE:
Example 1.
Pointing to a lady in the photograph, Shalu said, “Her son’s father is the son–in–law of my mother.” How is Shalu related to the lady?
Solution: Lady’s son’s father is the lady’s husband. So, the lady’s husband is the son–in–law of Shalu mother, i.e. the lady is the daughter of Shalu mother. Thus, Shalu is the lady’s sister.
Example 2.
A is the father of C and D is the son B. E is the brother of A. If C sister of D, how is B related to E?
Solution: For these types of question, we can use a generation tree.
So, B is a sister in the law of E.
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