Preparing for the SSC CHSL exam? You are likely aiming for a secure government job as an LDC or DEO. To get there, you need to score high in the Tier 1 exam. In the General Intelligence (Reasoning) section, there is one topic that is both interesting and confusing—Blood Relations. We all know who our “Uncle” or “Aunt” is in real life. But when the exam asks, “Pointing to a lady, a man said, ‘Her mother is the only daughter of my mother-in-law,'” our brain gets twisted. You don’t need to be a genius to solve these. Blood Relation questions are just a puzzle. If you learn how to draw a simple “Family Tree,” you can solve even the hardest question in less than 30 seconds. To help you practice, we have selected the most important Blood Relation questions asked in previous SSC CHSL exams. We have compiled them into a Free PDF that you can download below.
Why is Blood Relation Important for SSC CHSL?
In the SSC CHSL Tier 1 exam, Reasoning has 25 questions. You can easily expect 2 to 3 questions from Blood Relations.
- 100% Accuracy: Unlike English or GK where you might be unsure, in Blood Relations, once the diagram is drawn, the answer is definite.
- Types of Questions: You mostly get three types:
- Pointing/Introducing: (Pointing to a photo…)
- Family Tree: (A is the father of B, B is the sister of C…)
- Coded Relations: (A + B means A is the father of B…)
Important Concepts: The “Family Tree” Method
Don’t try to solve these questions in your head. You will get confused. Use symbols:
- Male: Draw a Box [ ] or (+)
- Female: Draw a Circle ( ) or (-)
- Married Couple: Use a double line (=)
- Siblings: Use a single line (—)
- Generations: Use a vertical line (|)
Download Free PDF of Blood Relation Questions for SSC CHSL
We have prepared a comprehensive PDF containing exam-level questions. These are the exact types of questions you will face in the exam hall. Download it, save it, and practice it to sharpen your logic.
Q1. Pointing to a photograph of a boy, Suresh said,
“He is the son of the only son of my mother.”
How is Suresh related to that boy?
(a) Brother
(b) Uncle
(c) Cousin
(d) Father
Answer: (d) Father
Logic:
The only son of Suresh’s mother is Suresh himself.
So, the boy is the son of Suresh.
Hence, Suresh is the father.
Q2. A is the brother of B.
C is the father of A.
D is the brother of E.
E is the daughter of B.
The uncle of D is:
(a) A
(b) B
(c) C
(d) E
Answer: (a) A
Logic:
B is the parent of E and D.
A is the brother of B.
Brother of parent is the uncle.
So, A is the uncle of D.
Q3. Pointing to a lady, a man said,
“The son of her only brother is the brother of my wife.”
How is the lady related to the man?
(a) Mother-in-law
(b) Sister of father-in-law
(c) Maternal Aunt
(d) Sister
Answer: (b) Sister of father-in-law
Logic:
The lady’s brother is the father of the man’s wife.
So, the lady is the sister of the man’s father-in-law.
Q4. If
A + B means A is the mother of B;
A − B means A is the brother of B;
A % B means A is the father of B;
A × B means A is the sister of B;
Which shows that P is the maternal uncle of Q?
(a) Q − N + M × P
(b) P + S × N − Q
(c) P − M + N × Q
(d) Q − S % P
Answer: (c) P − M + N × Q
Logic:
P − M → P is brother of M
M + N → M is mother of N
N × Q → N is sister of Q
Brother of mother is maternal uncle.
So, P is the maternal uncle of Q.
Q5. Deepak said to Nitin,
“That boy playing with the football is the younger of the two brothers of the daughter of my father’s wife.”
How is the boy related to Deepak?
(a) Son
(b) Brother
(c) Cousin
(d) Brother-in-law
Answer: (b) Brother
Logic:
Father’s wife = Mother
Daughter of mother = Sister
Brother of sister = Brother
So, the boy is Deepak’s brother.
Q6. A is B’s sister.
C is B’s mother.
D is C’s father.
E is D’s mother.
How is A related to D?
(a) Granddaughter
(b) Grandmother
(c) Daughter
(d) Great-granddaughter
Answer: (a) Granddaughter
Logic:
A is the daughter of C.
C is the daughter of D.
So, A is the granddaughter of D.
Q7. Introducing a man, a woman said,
“He is the only son of the mother of my mother.”
How is the woman related to the man?
(a) Mother
(b) Sister
(c) Niece
(d) Aunt
Answer: (c) Niece
Logic:
Mother of my mother = Grandmother
Only son of grandmother = Maternal uncle
The woman is the niece of that man.
Q8. P is the father of Q.
R is the son of S.
T is the brother of P.
If S is the sister of T, how is Q related to R?
(a) Brother
(b) Cousin
(c) Uncle
(d) Cannot be determined
Answer: (b) Cousin
Logic:
T is brother of P and S.
So, P and S are siblings.
Q is child of P and R is child of S.
Children of siblings are cousins.
Q9. Looking at a portrait of a man, Harsh said,
“His mother is the wife of my father’s son. Brothers and sisters I have none.”
At whose portrait was Harsh looking?
(a) His son
(b) His cousin
(c) His uncle
(d) His nephew
Answer: (a) His son
Logic:
“My father’s son” refers to Harsh himself.
His wife is the mother of the man in the portrait.
Therefore, the portrait is of Harsh’s son.
Q10. A is the father of C.
D is the son of B.
E is the brother of A.
If C is the sister of D, how is B related to E?
(a) Daughter
(b) Sister-in-law
(c) Husband
(d) Brother-in-law
Answer: (b) Sister-in-law
Logic:
C and D are siblings.
A is the father of both.
Since D is the son of B, B is the wife of A.
E is A’s brother.
So, B is the sister-in-law of E.
How to Prepare Blood Relations for SSC CHSL?
It’s easy to get lost in words like “Brother-in-law” and “Paternal Aunt.” Follow these simple tips:
- Draw, Don’t Imagine: Always draw the Family Tree diagram. Never try to hold all the relations in your head.
- Break the Sentence: In “Pointing to…” questions, break the sentence into small parts. Start from the word “My” (e.g., “My mother,” then “Her father”). This makes it easy to connect the dots.
- Don’t Assume Gender: If a name is “Suman” or “Kamal,” don’t assume they are male or female unless the question says “He” or “She.” This is a common trap!
- Practice Coded Relations: SSC CHSL is asking more “A + B” type questions lately. Practice substituting the symbols quickly.
- Attempt Topic Tests: Once you finish the PDF, test your speed. Attempt Free Topic Tests to see if you can solve these in under 40 seconds.
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FAQs: Blood Relation Questions for SSC CHSL
No. It is purely logical. If you learn the “Family Tree” drawing method, it becomes one of the easiest topics.
You can consistently expect 2 to 3 questions in the General Intelligence (Tier 1) section.
The best trick is to relate the question to yourself. Assume you are the person in question and trace your own family relations.
You can download the free, exam-level PDF by clicking the link provided in this blog post.
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