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Blood Relation Terms, Types, Chart, Reasoning Tricks and Questions

Blood Relation

The relationship established between two individuals by birth is called blood relation between them. The blood relations include mother, father, brother, daughter, son, etc. Blood relation is an important section of logical reasoning which is asked in almost all the competitive and entrance exams as well. The questions from blood relations require a tricky way to solve them easily. The blood relation chapter carries 2-3 marks in all the exams. Blood relation questions require a good understanding of basic concepts and terms.

The students are advised to prepare the blood relations section by following a step-wise procedure. Blood relation is asked in all the exams like UPSC, SSC, RRB, RBI Grade B, SBI PO, SBI Clerk, IBPS PO, IBPS Clerk, etc. Read the full article to know the blood relations in detail.

What is Blood Relation?

The relation is established between persons by only birth rather than marriage or other sources. Blood relations are the relations that are only made by birth including relations between parents, family, and the persons related to the family. Blood relation is an important section and its questions are asked in almost all the exams.

The students have an understanding of family relations hierarchy well by solving the blood relation questions easily. Blood relation questions are asked by forming a chain relationship between the family members. The students must draw a relation flowchart as per the condition given in the question and then easily solve them. Blood relation checks your logical understanding and ability to solve a puzzle. Sometimes students face difficulties to solve blood relation questions so we are going to discuss here some tips to solve blood relations most easily.

Blood Relations Terms

Blood relation is an important section of reasoning that comes under logical reasoning. It checks your logical ability to solve difficult questions easily and quickly. There are different types of blood relations formed between individuals and are termed by different names. The list of blood relations and their popular names (terms) by which the relations are identified are mentioned below.

Relationship terms Terms used to show the relation
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’s Daughter-in-law daughters
Daughter’s husband’s Son-in-law sisters sisters
Sister’s husband brother brother Brother-in-law husbands
Husband’s brother or wife’s brother Brother-in-law
Brother’s wife sister Sister-in-law husbands
Husband’s sister or wife’s sister sister sister sister sister sister sister sister Sister-in-law husbands
Husband’s father or wife’s father for For Father-in-law husbands
Husband’s mother or wife’s mother or  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


Types of Blood Relations

There are different types of blood relations and various types of questions formed on them also. Mainly blood relations are of three types and questions former on them in various ways. The types of blood relations are mentioned below in detail.

1. Introducing or Pointing

In such types of questions, a person points to or introduces any member by conversation or visual pointing. According to the condition provided in the question, the students need to solve the question logically. We are going to discuss a type of introducing and pointing question with the solution below for a better understanding of students which is helpful in their preparation.

Example: Pointing toward a person Vineet said to a woman, ” His mother is the only daughter of your father.” How is the woman related to Vineet?

Solution: By making a diagram using the above-given condition we found that

the woman is the mother of Vineet.

2. Family Tree or Chart

Family tree questions deal with the relationship between two different family members by making a family tree or family chart. The students can find a required relation by drawing a family tree using the laws. Mostly family tree questions are asked in all the exams. The solved example of such type of question is mentioned below which will be helpful for students in their preparation for exams.

Example: A and B are brothers, but C and D are sisters. A’s son is D’s sibling. What exactly is the connection between B and C?


→ A’s son is D’s brother

→A is C’s father. Father’s brother is his uncle.

So the answer is uncle

3. Coded Blood Relations

In coded blood relations, special characters and symbols are used to establish relationships between individuals. It uses many symbols and characters like #, %, $, @, *, ^, <, >, ! etc. An example of coded blood relation is mentioned below.

Example: Read the following information carefully and answer the question given below:

If ‘A × B’ means ‘A is the father of B’.
If ‘A + B’ means ‘A is the wife of B’.
If ‘A ÷ B’ means ‘A is the daughter of B’.
If ‘A – B’ means ‘A is the son of B’.
How is L related to Q in the expression ‘L ÷ M × O – P ÷ Q’?
Solution: Drawing a diagram based on a given condition
Blood Relation, Types, Chart, Reasoning Tricks and Questions_4.1
It is clear from the above diagram L is a Granddaughter of Q.

Blood Relation Reasoning Tricks

In reasoning blood relations is an important section that comes under the logical reasoning section and questions about blood relations are asked in all the exams. The questions from blood relations can be solved easily using some useful tricks. Blood relation reasoning tricks help to solve the questions easily and fastly. Blood relation reasoning tricks make the questions easy and short and save time also. Here we are going to discuss some useful tips and tricks to solve blood relation reasoning questions.

  • Candidates need to consider “self” as the introducing person to answer questions asked from blood relations easily.
  •  In the Coded Relation type blood relation questions, candidates need to check all the options carefully including the gender, to eliminate the wrong options to mark a right answer which fits the condition of the question.
  • Never predict the gender of a person based on name, or condition as it may be responsible for a wrong answer.
  • Make attention to the wording, only a son or only daughter does not mean the only child.
  • Candidates must try to establish the relationship between two persons first to find the relation between others easily.
  • Relate the given condition to your self-relation to solve the question easily.
  • Candidates should use a pictorial chart or tree to solve puzzle-based questions easily.

Blood Relation Questions in Hindi

The students should understand the condition given in the question to read the question in the Hindi language also. Blood relation questions in Hindi give a quick idea to students to solve a puzzle or critical type of question.

Click here to download the Blood Relation PDF

Blood Relation Chart

A blood relation chart helps candidates to understand the blood relation concepts in a good manner. A blood relation chart is a pictorial representation of relation as per given conditions to solve the question easily. A blood relation chart uses many symbols and indication marks to solve the blood relation questions. A blood relation chart is shown below to understand the blood relation concepts.

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Blood Relation, Types, Chart, Reasoning Tricks and Questions_6.1

Hope you find what you were looking for, To get details on blood relations stay connected with sscadda.com. And if you want to read this article in Hindi then click on the link provided below.



Que.1 What is blood relation?

Ans - The relation established between persons by birth only are known by blood relations. For example mother, father, sister, brother, son, daughter, etc.

Que.2 What is a blood relation chart?

Ans - A blood relation chart is a diagrammatical representation of relationships between persons and it is used to solve blood relation questions easily.