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Blood Relation is an important topic in the Reasoning Ability section of the IDBI JAM Grade O Exam. Questions from this topic test a candidate\u2019s ability to understand family relationships, decode information, and apply logical thinking. These questions are generally easy to moderate in difficulty and can be solved quickly with proper practice.<\/p>\n\n\n\n
In this blog, we will cover the importance of blood relation questions, key concepts, types of questions asked, preparation strategy, and practice questions to help you improve your performance.<\/p>\n\n\n\n
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Download Blood Relation Questions for IDBI Grade O Exam 2026<\/strong><\/h2>\n\n\n\nIn this section, we are providing Blood Relation Questions. Our experts curate these after analysing previous years’ patterns. Download Now and practice as many questions as you can.<\/p>\n\n\n\n
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\nDownload Blood Relation Questions for IDBI Grade O <\/strong>Exam 2026<\/a><\/div>\n<\/div>\n\n\n\n<\/p>\n\n\n\n
Key Concepts to Prepare<\/h2>\n\n\n\n
To solve blood relation questions accurately, candidates must be familiar with the following concepts:<\/p>\n\n\n\n
\n- Family tree representation<\/li>\n\n\n\n
- Generation levels (grandparents, parents, children)<\/li>\n\n\n\n
- Direct and indirect relationships<\/li>\n\n\n\n
- Coding-based relations<\/li>\n\n\n\n
- Symbol-based relations<\/li>\n<\/ul>\n\n\n\n
Understanding these basics will help you quickly interpret the relationships described in the question.<\/p>\n\n\n\n
Types of Blood Relation Questions<\/h2>\n\n\n\n1. Direct Relation Questions<\/h3>\n\n\n\n
These are simple questions where relationships are directly stated.<\/p>\n\n\n\n
Example:<\/strong>
Ravi is the brother of Sita, and Sita is the mother of Aman. How is Ravi related to Aman?
Answer:<\/strong> Uncle<\/p>\n\n\n\n2. Puzzle-Based Blood Relations<\/h3>\n\n\n\n
These questions involve multiple relationships and require careful analysis.<\/p>\n\n\n\n
Example:<\/strong>
Pointing to a man, a woman says, \u201cHe is the son of my father\u2019s only son.\u201d
Answer:<\/strong> Her son<\/p>\n\n\n\n3. Coded Blood Relations<\/h3>\n\n\n\n
In these questions, relationships are represented using symbols or codes.<\/p>\n\n\n\n
Example:<\/strong>
A + B means A is the father of B
A \u2212 B means A is the sister of B
Based on such symbols, relationships are decoded.<\/p>\n\n\n\n4. Family Tree Questions<\/h3>\n\n\n\n
Candidates are required to construct a family tree to solve the question.<\/p>\n\n\n\n
This type is slightly time-consuming but highly scoring if approached correctly.<\/p>\n\n\n\n
Preparation Strategy for Blood Relation<\/h2>\n\n\n\nUnderstand Basic Relationships<\/h3>\n\n\n\n
Start by learning basic family terms like father, mother, uncle, aunt, cousin, etc. Clarity in these basics is essential.<\/p>\n\n\n\n
Use Diagram Method<\/h3>\n\n\n\n
Always draw a simple family tree or diagram. This reduces confusion and improves accuracy.<\/p>\n\n\n\n
Identify Keywords<\/h3>\n\n\n\n
Words like \u201conly son,\u201d \u201cmaternal,\u201d \u201cpaternal,\u201d and \u201cin-law\u201d play a crucial role. Pay close attention to these.<\/p>\n\n\n\n
Practice Coded Questions<\/h3>\n\n\n\n
These questions can be tricky. Practice different variations to become comfortable with symbol-based relations.<\/p>\n\n\n\n
Avoid Assumptions<\/h3>\n\n\n\n
Do not assume genders or relationships unless clearly stated in the question.<\/p>\n\n\n\n
Practice Questions<\/h2>\n\n\n\nQuestion 1<\/h3>\n\n\n\n
Pointing to a girl, Raj said, \u201cShe is the daughter of my mother\u2019s only son.\u201d
How is the girl related to Raj?<\/p>\n\n\n\n
Solution:<\/strong>
Mother\u2019s only son = Raj
So, the girl is Raj\u2019s daughter<\/p>\n\n\n\nAnswer:<\/strong> Daughter<\/p>\n\n\n\nQuestion 2<\/h3>\n\n\n\n
A is the brother of B. B is the sister of C. C is the father of D.
How is A related to D?<\/p>\n\n\n\n
Solution:<\/strong>
A is sibling of C
C is father of D
So, A is uncle of D<\/p>\n\n\n\nAnswer:<\/strong> Uncle<\/p>\n\n\n\nQuestion 3<\/h3>\n\n\n\n
Pointing to a man, a woman says, \u201cHe is the brother of my mother\u2019s daughter.\u201d
Who is the man?<\/p>\n\n\n\n
Solution:<\/strong>
Mother\u2019s daughter = the woman herself
Brother of the woman = her brother<\/p>\n\n\n\nAnswer:<\/strong> Brother<\/p>\n\n\n\nQuestion 4<\/h3>\n\n\n\n
If A + B means A is the father of B,
A \u2212 B means A is the sister of B,
A \u00d7 B means A is the brother of B<\/p>\n\n\n\n
What is the relation of P to Q in:
P + R \u2212 Q?<\/p>\n\n\n\n
Solution:<\/strong>
P is father of R
R is sister of Q
So, P is father of Q<\/p>\n\n\n\nAnswer:<\/strong> Father<\/p>\n\n\n\nQuestion 5<\/h3>\n\n\n\n
Introducing a man, a woman said, \u201cHis wife is the only daughter of my father.\u201d
How is the man related to the woman?<\/p>\n\n\n\n
Solution:<\/strong>
Only daughter of her father = the woman herself
So, the man is her husband<\/p>\n\n\n\nAnswer:<\/strong> Husband<\/p>\n\n\n\nCommon Mistakes to Avoid<\/h2>\n\n\n\n
Candidates often lose marks in blood relation questions due to simple mistakes. Some common errors include:<\/p>\n\n\n\n
\n- Not drawing a diagram<\/li>\n\n\n\n
- Ignoring key relationship words<\/li>\n\n\n\n
- Assuming gender incorrectly<\/li>\n\n\n\n
- Rushing through questions<\/li>\n<\/ul>\n\n\n\n
Avoiding these mistakes can significantly improve your accuracy.<\/p>\n\n\n\n
Final Thoughts<\/h2>\n\n\n\n
Blood Relation is a scoring topic that requires clarity and practice rather than complex calculations. By mastering basic concepts and practicing different question types, candidates can easily attempt all questions from this topic with high accuracy.<\/p>\n\n\n\n
Make it a habit to solve at least 10\u201315 blood relation questions daily and include them in your mock test practice. With consistent effort, you will gain confidence and speed, which are crucial for cracking the IDBI JAM Grade O Exam 2026.<\/p>\n\n\n\n
<\/p>\n\n\n\n
\nTake an IDBI JAM Mock Test <\/a><\/div>\n<\/div>\n\n\n\n<\/p>\n\n\n\n
Join our exclusive Telegram group where our experts are ready to answer all your queries, guide you in banking exam preparation, and give personalised tips to boost your success. Get access to real-time solutions, expert advice, and valuable resources to improve your study journey. [Click here to join now<\/strong><\/em><\/p>\n\n\n\n<\/p>\n\n\n\n
<\/p>\n\n\n\n
Key Concepts to Prepare<\/h2>\n\n\n\n
To solve blood relation questions accurately, candidates must be familiar with the following concepts:<\/p>\n\n\n\n
- \n
- Family tree representation<\/li>\n\n\n\n
- Generation levels (grandparents, parents, children)<\/li>\n\n\n\n
- Direct and indirect relationships<\/li>\n\n\n\n
- Coding-based relations<\/li>\n\n\n\n
- Symbol-based relations<\/li>\n<\/ul>\n\n\n\n
Understanding these basics will help you quickly interpret the relationships described in the question.<\/p>\n\n\n\n
Types of Blood Relation Questions<\/h2>\n\n\n\n
1. Direct Relation Questions<\/h3>\n\n\n\n
These are simple questions where relationships are directly stated.<\/p>\n\n\n\n
Example:<\/strong>
Ravi is the brother of Sita, and Sita is the mother of Aman. How is Ravi related to Aman?
Answer:<\/strong> Uncle<\/p>\n\n\n\n2. Puzzle-Based Blood Relations<\/h3>\n\n\n\n
These questions involve multiple relationships and require careful analysis.<\/p>\n\n\n\n
Example:<\/strong>
Pointing to a man, a woman says, \u201cHe is the son of my father\u2019s only son.\u201d
Answer:<\/strong> Her son<\/p>\n\n\n\n3. Coded Blood Relations<\/h3>\n\n\n\n
In these questions, relationships are represented using symbols or codes.<\/p>\n\n\n\n
Example:<\/strong>
A + B means A is the father of B
A \u2212 B means A is the sister of B
Based on such symbols, relationships are decoded.<\/p>\n\n\n\n4. Family Tree Questions<\/h3>\n\n\n\n
Candidates are required to construct a family tree to solve the question.<\/p>\n\n\n\n
This type is slightly time-consuming but highly scoring if approached correctly.<\/p>\n\n\n\n
Preparation Strategy for Blood Relation<\/h2>\n\n\n\n
Understand Basic Relationships<\/h3>\n\n\n\n
Start by learning basic family terms like father, mother, uncle, aunt, cousin, etc. Clarity in these basics is essential.<\/p>\n\n\n\n
Use Diagram Method<\/h3>\n\n\n\n
Always draw a simple family tree or diagram. This reduces confusion and improves accuracy.<\/p>\n\n\n\n
Identify Keywords<\/h3>\n\n\n\n
Words like \u201conly son,\u201d \u201cmaternal,\u201d \u201cpaternal,\u201d and \u201cin-law\u201d play a crucial role. Pay close attention to these.<\/p>\n\n\n\n
Practice Coded Questions<\/h3>\n\n\n\n
These questions can be tricky. Practice different variations to become comfortable with symbol-based relations.<\/p>\n\n\n\n
Avoid Assumptions<\/h3>\n\n\n\n
Do not assume genders or relationships unless clearly stated in the question.<\/p>\n\n\n\n
Practice Questions<\/h2>\n\n\n\n
Question 1<\/h3>\n\n\n\n
Pointing to a girl, Raj said, \u201cShe is the daughter of my mother\u2019s only son.\u201d
How is the girl related to Raj?<\/p>\n\n\n\nSolution:<\/strong>
Mother\u2019s only son = Raj
So, the girl is Raj\u2019s daughter<\/p>\n\n\n\nAnswer:<\/strong> Daughter<\/p>\n\n\n\n
Question 2<\/h3>\n\n\n\n
A is the brother of B. B is the sister of C. C is the father of D.
How is A related to D?<\/p>\n\n\n\nSolution:<\/strong>
A is sibling of C
C is father of D
So, A is uncle of D<\/p>\n\n\n\nAnswer:<\/strong> Uncle<\/p>\n\n\n\n
Question 3<\/h3>\n\n\n\n
Pointing to a man, a woman says, \u201cHe is the brother of my mother\u2019s daughter.\u201d
Who is the man?<\/p>\n\n\n\nSolution:<\/strong>
Mother\u2019s daughter = the woman herself
Brother of the woman = her brother<\/p>\n\n\n\nAnswer:<\/strong> Brother<\/p>\n\n\n\n
Question 4<\/h3>\n\n\n\n
If A + B means A is the father of B,
A \u2212 B means A is the sister of B,
A \u00d7 B means A is the brother of B<\/p>\n\n\n\nWhat is the relation of P to Q in:
P + R \u2212 Q?<\/p>\n\n\n\nSolution:<\/strong>
P is father of R
R is sister of Q
So, P is father of Q<\/p>\n\n\n\nAnswer:<\/strong> Father<\/p>\n\n\n\n
Question 5<\/h3>\n\n\n\n
Introducing a man, a woman said, \u201cHis wife is the only daughter of my father.\u201d
How is the man related to the woman?<\/p>\n\n\n\nSolution:<\/strong>
Only daughter of her father = the woman herself
So, the man is her husband<\/p>\n\n\n\nAnswer:<\/strong> Husband<\/p>\n\n\n\n
Common Mistakes to Avoid<\/h2>\n\n\n\n
Candidates often lose marks in blood relation questions due to simple mistakes. Some common errors include:<\/p>\n\n\n\n
- \n
- Not drawing a diagram<\/li>\n\n\n\n
- Ignoring key relationship words<\/li>\n\n\n\n
- Assuming gender incorrectly<\/li>\n\n\n\n
- Rushing through questions<\/li>\n<\/ul>\n\n\n\n
Avoiding these mistakes can significantly improve your accuracy.<\/p>\n\n\n\n
Final Thoughts<\/h2>\n\n\n\n
Blood Relation is a scoring topic that requires clarity and practice rather than complex calculations. By mastering basic concepts and practicing different question types, candidates can easily attempt all questions from this topic with high accuracy.<\/p>\n\n\n\n
Make it a habit to solve at least 10\u201315 blood relation questions daily and include them in your mock test practice. With consistent effort, you will gain confidence and speed, which are crucial for cracking the IDBI JAM Grade O Exam 2026.<\/p>\n\n\n\n
<\/p>\n\n\n\n
\nTake an IDBI JAM Mock Test <\/a><\/div>\n<\/div>\n\n\n\n<\/p>\n\n\n\n
Join our exclusive Telegram group where our experts are ready to answer all your queries, guide you in banking exam preparation, and give personalised tips to boost your success. Get access to real-time solutions, expert advice, and valuable resources to improve your study journey. [Click here to join now<\/strong><\/em><\/p>\n\n\n\n
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