CAT DILR Blood Relations is considered the most important topic in the exam. As per CAT Syllabus 2021, around 2-3 questions from this topic will be framed in the exam. The question from this section includes the relationship between family members and their relations. And candidates need to mark the correct answer from various options. Download CAT DILR Question Paper

The type of questions expected in CAT 2021 from the topic are Direct conversation-based questions, Puzzle based questions, Symbols (or Code) based questions, etc. The type of relations is divided as Single person blood relation and Mixed blood relation. Read the article to know more about Blood relation questions and also check previous year solved sample questions. 

Type of Questions from CAT Blood Relations

Based on the previous years papers the question types can be divided into following categories such as:

• Direct questions
• Puzzle based questions
• Code based questions
• Single person blood relation
• Mixed blood relation

For Example: 

• Direct Question: Ankita says,” Her father’s only…...”. How is Ankita is related to…...?
• Puzzle Questions: In a class of A, B, C, D, are friends whereas E, F……. How are A and B are related to…………..?
• Code Based: If A + B =< C is the husband of D then…..?

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CAT DILR Blood Relations Preparation 2021: Sample Solved Question

In the below section, some sample solved questions for CAT DILR Blood Relations are mentioned. 

Go through the passage and answer all the following questions. 

Ramesh, Suresh and Umesh are sons of Mr Rajat Copra and Nikita Chopra. Their neighbour is the Mishra family. Payel and Ruchi are the daughters of Mr Amit Mishra and Neha Mishra. Both families went for a vacation to Kerala where they wanted to go for a boat ride. But unfortunately, only three members can ride on a boat. For that reason, both families hired three boats. But their children do not know how to ride boats. Hence, there must be one adult on each boat for a ride. But any boat cannot carry three members from the same family. 

• Ques. What is the following correct option If both Rajat and Amit are in the same boat but their three brothers are on different boats?

Options: 

1. There are both males and females on the boat
2. On the one boat, only females are there
3. On the other boat, only males are there
4. There are two sisters on the same boat

Correct Answer: (3)

• Ques. Who are the people from the following list on the other boat that keep their distance from the boat of Neha and Ruchi?

Options:

1. Ramesh, Amit, Payel
2. Ramesh, Suresh, Amit
3. Ramesh, Payel, Suresh
4. Amit, Payel, Nikita

Correct Answer: (2) 

• Ques. What is the not perfect combination of the people on any boat where Nikita and Amit are on the same boat?

Options:

1. Ramesh, Neha, Ruchi
2. Neha, Ramesh, Suresh
3. Neha, Ruchi, Umesh
4. Neha, Suresh, Rajat

Correct Answer: (4)

• Ques. What are the following options that are not true if three children belong to the Chopra family ride in completely different boats?

1. If there is a possibility for both Rajat and Nikita to row the same boat.
2. If both Mit and Neha row in the same boat 

Options:

1. I only
2. II Only
3. Both I and II
4. Neither I nor II

Correct Answer: (1)

• Ques. In a family, there is a total of 6 members (A, B, C, D, E, F). All the members are from three generations. In this family, there are two couples but none of them is from the third generation nor they are married. E is the wife of C. Both F and B belongs to their generation. F and B are coupled. In this family, there are four members. 

Select and mark the correct options.

1. D is the grandson of A
2. Both A and D belong to the same generation
3. No females belong to the third generation
4. E is the father of F
5. more than one of the above options

Correct Option: (3)

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• Ques. Both P and Q are sisters. On the other side, R and S are brothers. What is the relation between Q and R where P's daughter is the sister of S? 

Options:

1. Maternal aunt
2. Niece
3. Nephew
4. GrandMother

Correct Answer: (1)

• Ques. Locating towards a piece of photograph hanging on the wall, Anil says to Nitesh that the person who is in the photograph is the only son of the sister of my mother and also your brother. What option will be appropriate for the following options?

Options:

1. Nitesh is the nephew of Anil
2. Anil is a brother in law of Nitesh
3. Sister of Anil is the mother of Nitesh
4. Both Anil and Nitesh are cousins
5. Sister of Anil is the aunt of Nitesh

Correct Answer: (4)

• Ques. 1. A + B means A is the brother of B

2. A × B means A is the father of B
3. A ÷ B means A is the mother of B

What is the correct meaning that defines "G is the son of H"?

1.  H × I × G
2.  H + G × I
3.  H ÷ G ÷ I
4.  H × G + I

Correct Answer:(4)

Read the passage and find the correct answer from the following options:

In a family, there are two grandfathers and grandmothers. The family comprises 21 members. Ans there is a total of 6 couples in the family who has one child for each. 

There are 9 grandchildren for 9 grandparents. Three are Anne, Jerry and Ravi. The parents of all three are physicians and physiotherapists. The sister of the Physician is an Economist. And the Physiotherapist has two brothers among them one is Engineer and another is a banker. Among the 9 grandchildren, 5 granddaughters and 4 grandsons are there. Two granddaughter’s mother is Economist whose husband is not at the party. Among them, the two grandsons father is an Engineer whose wife is a homemaker.

9. What are the number of children does the banker have?
10. a) 1
11. b) 2
12. c) 3
13. d) 4

Correct Answer: (2)

10. What is the number of grandchildren does the parents of the Economist have?
11. a) 3
12. b) 4
13. c) 5
14. d) 6

Correct Answer: (2)

CAT DILR Study Material:

11. The banker has
12. a) Two sons
13. b) Two daughters
14. c) One daughter and a son
15. d) No children

Correct Answer: (3)

12. How many children do the parents of physicians have?
13. a) 1
14. b) 2
15. c) 3
16. d) 4

Correct Answer: (2)

13. What is the number of fathers in the family?
14. a) 3
15. b) 4
16. c) 5
17. d) 6

Correct Answer: (4)

14. A is the son of P, P is the daughter of K, K is the husband of O and O is the mother of only son L. What is the relation of L to A?
15. a) Uncle
16. b) Father
17. c) Son
18. d) Grandfather

Correct Answer: (1)

15. A – B means B is the son of A and the meaning of A × B defines as A is the brother of B, A ÷ B defines B as the sister of A, and A + B defines A as the mother of B. What is the correct option from the below list about N × K - M ÷ L?
16. a) K is the father of L and M
17. b) L is the daughter of K and on the other hand, L is the niece of her uncle N
18. c) K is the father of M and L – his son and daughter respectively
19. d) M is the uncle of K’s brother N.

Correct Answer: (2)

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16. There is a total of 7 people in a family among them a lawyer who is married to a teacher who has three sons who are engineers, doctors and actors. The wife of the actor is a dancer and also an aunt to Emily. Emily is the daughter of an engineer who acquires knowledge in martial arts along with her brother Joseph. What is the relationship between the doctor and Joseph?
17. a) Son
18. b) brother
19. c) nephew
20. d) uncle

Correct Answer: (4)

Directions for questions (17 -18): Mark all the answers to the questions with the following information:

1. A $ B means A is the mother of B.
2. A # B means A is the father of B.

III. A @ B means A is the husband of B.

1. A % B means A is the daughter of B.
2. P @ Q $ M # T defines the relationship between P and T?
3. a) Paternal grandmother
4. b) Maternal grandmother
5. c) Paternal grandfather
6. d) Maternal grandfather

Correct Answer: (3)

18. If G $ M @ K, what is the relationship between K and G?
19. a) Mother-in-law
20. b) Daughter-in-law
21. c) Daughter
22. d) Aunt

Correct Answer: (2)

19. In a family, there are 6 members comprising P, Q, R, X, Y, Z. Among them, Q is the son of R but R is not the mother of Q. On the other side, both P and R are married couples. And Y is the brother of R where X is the daughter of P. Also, Z is the brother of P. What is the number of female members in the family?

1. 1
2. 2
3. 3
4. 4

Correct Answer: (2)

20. If the meaning of A + B defines A as the sister of B. On the other side, A x B proves A is the wife of B. And A % B defines A as the father of B where A – B means A is the brother of B. What proves that T is the daughter of P?

1. P x Q % R + S – T
2. P x Q % R – T + S
3. P x Q % R + T – S
4. P x Q % R + S + T

Correct Answer: (2)

Quick Links:

• CAT Topper Ravi Prinshu Preparation Tips
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Tips for CAT DILR Blood Relations Preparation 2021

Below are some preparation tips for CAT DILR Blood Preparation 2021. 

• First of all, go through the chart from this section to relate all the matters
• Build the basic concept of the relations and the family tree
• To analyse all the questions, divide the statement of the question first
• Before analysing the topic, try to relate all the questions with the problems personally 
• In a question, never assume the gender of the person