SNAP Questions| CAT LR Questions: Blood Relations

CAT Quantitative Aptitude

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Blood relation questions are a very important topic from the Logical Reasoning and Analytical section of many entrance examinations like CAT, XAT, SNAP, NMAT and CMAT. In these types of questions, one needs to find the relation between family members using the family tree. Hence, this topic tests the analytical skills of the students and their approach towards solving questions with diagrams instead of calculations. This topic is relatively on the easy side and the frequency of the questions coming in CAT exam is very less. However, we cannot completely ignore this topic as there is no definite syllabus for CAT Logical Reasoning and Data Interpretation.

CAT Questions & other MBA entrance exams | Logical Reasoning questions: Blood Relations

Below you will find certain blood relations question and answers for your understanding:

Pointing to a photograph, Shivam said, “She is the daughter of my grandfather’s only son.” How is Shivam related to the girl in the photograph?

OPTIONS:
I. Father
II. Cousin
III. Grandson
IV. Brother
V. Uncle
VI. Sister [NMAT 2020]

Show Answer

1. Answer:

sister (option vi)

2. Pointing to a boy, Meena said “He is the only grandson of my grandfather”. How is the boy related to Meena?

a) Brother
b) Cousin
c) Uncle
d) Data inadequate
e) None of these [NMAT 2020]

Show Answer

2. Answer:

D) Data Inadequate

The boy is only grandson of Meena’s grandfather. Thus, the boy can be either Meena’s brother or cousin, hence data is inadequate.

3. If A + B means A is the mother of B; A x B means A is the father of B; A $ B means A is the brother of B and A @ B means A is the sister of B then which of the following means P is the son of Q?

I. Q + R @ P @ N
II. Q + R $ P @ N
III. Q x R $ P @ N
IV. Q x R $ P $ N [SNAP 2019]

Show Answer

3. Answer:

Option IV, since only this option shows p is brother n which shows p is male and hence son of q.

4. If A is the brother of B; B is the sister of C; and C is the father of D, how D is related to A?

I. Brother
II. Sister
III. Nephew
IV. Cannot be determined [SNAP 2018]

Show Answer

4. Answer:

Option IV, since the gender of d is not known the answer cannot be determined.

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Importance of questions in MBA exams from Blood Relations:

XAT :

Relationship
Year	No of Questions	Good attempt	Difficulty
2020	2	1	Moderate
				2018	1	0-1	Moderate-Difficult

NMAT :

Relationship
Year	No of Questions	Good attempt	Difficulty
2020	3-4	All*	Easy
2019	5-7	All*	Easy
2018	2-4	All*	Moderate

* Since there is no negative marking in NMAT all questions should be attempted from relations questions.

SNAP :

Relationship
Year	No of Questions	Good attempt	Difficulty
2020	1	1	Moderate
2019	1	1	Easy
2018	2	1	Moderate

Tips and Tricks to Solve Questions related to Blood Relations:

Following blood relations tricks in reasoning need to be followed to solve these questions:

Our first aim is to choose the two persons about whom the relationship is asked in the questions.
Once we have chosen the two persons, identify the intermediate relationship between them i.e. understand the blood relation tree how one is related to the other using the instructions in question.
We can conclude by finding the relationship between the two required persons.

Important relationships to keep in mind in Blood Relations:

Below is the blood relations list to keep in mind.

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
Children of same parents	Siblings
Father’s/Mother’s only son/daughter	Oneself
Son of father or mother	Brother
Granddaughter of father/mother	Daughter or Niece
Husband of daughter	Son-in-law
Wife of brother/brother-in-law	Sister-in-law
Wife of son	Daughter-in-law
Son of son/Daughter	Grand

Preparation Phase for Blood Relations:

Level 1

Students are supposed to have basic knowledge of the blood relations using a tree diagram.
They should have analytical ability and mindset to solve the questions logically.
Skills to identify the steps in the instruction and prepare the relationship tree.
Practice some symbolic relationship questions and read the questions carefully as sometimes minute changes in the question may change the answer. Develop this habit by using MBAP CAT E-book (Concept theory) study material.

Level 2

Students need to look into problems of blood relations which are long to find the solution and quickly solve the questions after understanding the concepts. Refer to MBAP CAT E-book (Practice questions) for this.
Practice questions from the advanced level of previous CAT papers, NMAT, XAT, SNAP, mock tests and materials. Attempt these questions taking the time into account. Taking too much time for advanced level blood relations questions will hamper the performance in exams.

Level 3

Identify questions and differentiate them based on single person blood relation and mixed relation. Also, differentiate questions based on difficulty level and prepare accordingly. Plan time needed to solve a question to save unnecessary time wasted on difficult questions.
You can use MBAP Live Lecture Recording (Basic) for understanding the concepts.
Practice blood relations problems similar to the examples given above to get acquainted with all types and all difficulty levels of questions. You can find such examples in MBAP Previous year CAT question paper.

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SNAP Questions| CAT LR Questions: Blood Relations

CAT Quantitative Aptitude

CAT DILR

CAT Verbal Ability

CAT Questions & other MBA entrance exams | Logical Reasoning questions: Blood Relations

Importance of questions in MBA exams from Blood Relations:

Tips and Tricks to Solve Questions related to Blood Relations:

Important relationships to keep in mind in Blood Relations:

Preparation Phase for Blood Relations:

Level 1

Level 2

Level 3

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Words From Our Students

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