Blood relation forms an important part of the reasoning section in most of the competitive exams. Blood relation shows the different relations among the members of a family. Based on the information given, you are required to find the relation between particular members of the family. Scoring marks in this topic is easier as compared to many other topics in the reasoning section. So, you must be well versed with types of relations that exist in a family.
Here is the list of different types of relations you should know so as to solve questions based on this topic:
| Relationship |
Terms Used |
| Father's son or mother's son |
Brother |
| Father's daughter or mother's daughter |
Sister |
| Mother's brother (younger or elder) |
Maternal Uncle |
| Father's brother (younger or elder) |
Uncle (Paternal) |
| Father's sister (younger or elder) |
Aunt |
| Mother's sister (younger or elder) |
Aunt |
| Son's wife |
Daughter-in-law |
| Daughter's husband |
Son-in-law |
| Sister's husband |
Brother-in-law |
| Husband's brother or wife's brother |
Brother-in-law |
| Brother's wife |
Sister-in-law |
| Husband's sister or wife's sister |
Sister-in-law |
| Husband's father or wife's father |
Father-in-law |
| Husband's mother or wife's mother |
Mother-in-law |
| Brother's son or sister's son |
Nephew |
| Brother's daughter or sister's daughter |
Niece |
| Uncle's daughter or aunt's daughter |
Cousin |
| Uncle's son or aunt's son |
Cousin |
| Father's father or mother's father |
Grandfather |
| Father's mother or mother's mother |
Grandmother |
| Father of grandfather or father of grandmother |
Great grandfather |
| Mother of grandfather or Mother of grandmother |
Great grandmother |
Tips on finding a relationship between two members of a family:
Step 1: The first and foremost step is to choose the two persons among whom the relationship is to be established.
Step 2: Now once you have chosen the two persons, pin-point the intermediate relationship between two persons, i.e. such relationship through which long drawn relationship can be established between the required persons.
Step 3: In the end, conclude the relationship between two required persons.
Make sure that you represent the gender of a female with a "□" sign and that of a male with a "⊕ .
Representation through diagram:
⊕
|
⊕ |
Father-Son |
⊕
|
□ |
Father-Daughter |
□
|
⊕ |
Mother-Son |
□
|
□ |
Mother-Daughter |
| ⊕=□ |
Husband-Wife |
| ⊕-⊕ |
Brothers |
| □-□ |
Sisters |
| ⊕-□ |
Brother-Sister |
Types of questions
- Based on Dialogue or conversation
- Based on puzzles
- Keep in mind that from a person's name, we cannot judge the gender of that person. The name doesn't always show the gender beyond a reasonable doubt.
Solved Examples:
Question 1: Pointing to a girl in the photograph, Ajay said, "Her mother's brother is the only son of my mother's father." How is the girl's mother related to Ajay ?
Solution:
Only son of Ajay's mother's father -- Ajay's maternal uncle.
So, the girl's maternal uncle is Ajay's maternal uncle.
Thus, the girl's mother is Ajay's aunt.
Question 2:
1. A + B means A is the brother of B
2. A × B means A is the father of B
3. A ÷ B means A is the mother of B
Which of the following would mean "G is the son of H"?
A) H × I × G
B) H + G × I
C) H ÷ G ÷ I
D) H × G + I
Solution: Answer: Option D
Go by options. In fourth option, our diagram will be like
We don't know the gender of I. So. We will not put any symbol on its side.
Now that you have understood the topic well and solved the above examples, you are ready to take the test on relations.
Key Learning:
Keep in mind that from a person's name, we cannot judge the gender of that person. The name doesn't always show the gender beyond a reasonable doubt.
For doubts, post your comments below and our experts will provide you with the solutions.
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