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CSEET Logical Reasoning: Mastering Blood Relation Questions Understanding blood relations is crucial in logical reasoning.

CSEET Logical Reasoning: Mastering Blood Relation Questions Understanding blood relations is crucial in logical reasoning.

 

These questions test your ability to analyze family connections — like father, sister, uncle, niece, etc. — using clues given in a statement or coded format.

 

Types of Blood Relation Questions in CSEET

 

Direct Relation: Based on simple relationships (e.g., father of, daughter of).

Puzzle Type: Combine multiple relations in one statement.

Coded Relation: Relationships shown using symbols.

Mixed Type: Logical chains where you must find hidden links.

 

CSEET Blood Relation – 15 MCQs with Answers and Explanations

 

Q1.Pointing to a man, Rita said, “He is the brother of my father.”

Who is the man to Rita?

(A) Uncle (B)**Brother (C)**Father (D)**Cousin

 Answer: (A) Uncle

Explanation:

Brother of father = Uncle.

 

Q2.A says to B, “Your father is the brother of my mother.”

How is B related to A?

(A) Cousin (B)**Uncle (C)**Brother (D)**Father

Answer: (A) Cousin

Explanation:

B’s father is A’s maternal uncle → So B is A’s cousin.

 

Q3.Introducing a man, a woman said, “He is the husband of my mother’s daughter.”

Who is the man to the woman?

(A) Father (B)**Brother (C)**Brother-in-law (D)**Uncle

Answer: (A) Father

Explanation:

Her mother’s daughter could be herself → So, the man is her husband → i.e., father.

 

Q4.Pointing to a girl, Raj said, “She is the daughter of my grandfather’s only son.”

How is the girl related to Raj?

(A) Sister (B)**Cousin (C)**Aunt (D)**Mother

Answer: (A) Sister

Explanation:

Grandfather’s only son = Raj’s father → Father’s daughter = Sister.

 

Q5.If A + B means A is the father of B,

A – B means A is the sister of B,

A × B means A is the brother of B,

A ÷ B means A is the mother of B.

Then, what does P + Q – R mean?

(A) P is uncle of R (B)**P is father of R (C)**P is brother of R (D)P is father of Q and uncle of R

Answer: (D) P is father of Q and uncle of R

Explanation:

P + Q → P is father of Q; Q – R → Q is sister of R → So P is father of Q and uncle of R.

 

Q6.A is the son of B. C is B’s sister. D is B’s mother.

How is D related to A?

(A) Grandmother (B)**Mother (C)**Aunt (D)**Sister

Answer: (A) Grandmother

Explanation:

D is mother of B → hence grandmother of A.

 

Q7.Pointing to a photograph, Suresh said, “He is the son of the only son of my father.”

How is the person in the photograph related to Suresh?

(A) Son (B)**Brother (C)**Father (D)**Nephew

Answer: (A) Son

Explanation:

Only son of my father = Suresh himself → So “He is my son.”

 

Q8.A is the father of B but B is not the son of A.

How is B related to A?

(A) Daughter (B)**Sister (C)**Mother (D)**Wife

Answer: (A) Daughter

Explanation:

If not the son, then B must be the daughter.

 

Q9.If P is the brother of Q, and Q is the brother of R, then P is R’s?

(A) Brother (B)**Uncle (C)**Cousin (D)**Father

Answer: (A) Brother

Explanation:

All are siblings; P is brother of R.

 

Q10.Pointing to a woman, Deepak said, “She is my mother’s husband’s sister.”

How is that woman related to Deepak?

(A) Aunt (B)**Mother (C)**Sister (D)**Grandmother

Answer: (A) Aunt

Explanation:

Mother’s husband = father → father’s sister = aunt.

 

Q11.A’s mother is the daughter of B’s father.

How is A related to B?

(A) Cousin (B)**Uncle (C)**Brother (D)**Father

Answer: (A) Cousin

Explanation:

A’s mother and B’s father are siblings → A and B are cousins.

 

Q12.Pointing to a photo, Rekha said, “He is the son of my grandfather’s only son.”

How is that person related to Rekha?

(A) Brother (B)**Uncle (C)**Cousin (D)**Father

Answer: (A) Brother

Explanation:

Grandfather’s only son = Rekha’s father → father’s son = brother.

 

Q13.A is B’s mother, but B is not A’s son.

Who is B?

(A) Daughter (B)**Sister (C)**Niece (D)**Aunt

Answer: (A) Daughter

Explanation:

B cannot be A’s son → hence, A’s daughter.

 

Q14.If A + B means A is the father of B, and A ÷ B means A is the mother of B, then

P ÷ Q + R means?

(A) P is mother of R (B)**Q is father of R (C)**P is grandmother of R (D)P is aunt of R

Answer: (C) P is grandmother of R

Explanation:

P ÷ Q → P is mother of Q; Q + R → Q is father of R → so P is grandmother of R.

 

Q15.If A is the sister of B, B is the husband of C, and C is the daughter-in-law of D, how is A related to D?

(A) Daughter (B)**Sister (C)**Daughter-in-law (D)**Aunt

Answer: (A) Daughter

Explanation:

B (A’s brother) is D’s son → so A is also D’s daughter.

 

 

Quick Tips for Blood Relation Questions

l Visualize family trees – draw simple diagrams.

l Look for gender clues (e.g., son, daughter, wife).

l Solve step by step – decode each part of the relation before connecting them.

l Practice coded formats – these often appear in CSEET.

 

 

Conclusion

Ø Blood Relation questions in the CSEET Logical Reasoning section are simple but tricky if rushed.

Ø They test clarity, not calculation.

Ø With daily practice and diagrammatic reasoning, you can solve these questions accurately and quickly in the exam.

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