CAT 2021 Slot 1 DILR Set 2 Q5–Q10

A DILR caselet from the Data Interpretation & Logical Reasoning (DILR) section of CAT 2021 Slot 1, with 6 questions (Grids & Matrices). Answers are CAT's official key.

The set

Amudha, Bharatan, Chandran, Dhinesh, Ezhil, Fani and Gowtham are seven people in a town. Any pair of them could either be strangers, acquaintances, or friends. All relationships are mutual. For example, if Amudha is a friend of Bharatan, then Bharatan is also a friend of Amudha. Similarly, if Amudha is a stranger to Bharatan, then Bharatan is also a stranger to Amudha.

Partial information about the number of friends, acquaintances, and strangers of each of these people among them is given in the table below.

	No. of Friends	No. of Acquaintances	No. of Strangers
Amudha		1	4
Bharatan
Chandran		1
Dhinesh			2
Ezhil			1
Fani	1
Gowtham		3	2

The following additional facts are also known.
1. Amudha, Bharatan, and Chandran are mutual strangers.
2. Amudha, Dhinesh, and Fani are Ezil's friends.
3. Chandran and Gowtham are friends.
4. Every friend of Amudha is an acquaintance of Bharatan, and every acquaintance of Bharatan is a friend of Amudha.
5. Every friend of Bharatan is an acquaintance of Amudha, and every acquaintance of Amudha is a friend of Bharatan.

Question 5

Who are Gowtham's acquaintances?

A
Amudha, Bharatan and Fani
B
Dhinesh, Ezhil and Fani
C
Amudha, Dhinesh and Fani
D
Bharatan, Dhinesh and Ezhil

Answer: (B) Dhinesh, Ezhil and Fani Grids & Matrices MCQ

A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.

Question 6

Which of these pairs share the same type of relationship?

A
(Bharatan, Chandran) and (Dhinesh, Ezhil)
B
(Chandran, Ezhil) and (Dhinesh, Gowtham)
C
(Amudha, Gowtham) and (Ezhil, Fani)
D
(Bharatan, Ezhil) and (Fani, Gowtham)

Answer: (D) (Bharatan, Ezhil) and (Fani, Gowtham) Grids & Matrices MCQ

A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.

Question 7

Who is an acquaintance of Amudha?

A
Dhinesh
B
Fani
C
Ezhil
D
Gowtham

Answer: (A) Dhinesh Grids & Matrices MCQ

A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.

Question 8

Who is an acquaintance of Chandran?

A
Ezhil
B
Bharatan
C
Fani
D
Dhinesh

Answer: (C) Fani Grids & Matrices MCQ

A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.

Question 9

How many friends does Ezhil have?

TITA: type in the answer. There are no options and no negative marking.

Answer: 3 Grids & Matrices TITA

A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.

Question 10

How many people are either a friend or a friend-of-a-friend of Ezhil?

TITA: type in the answer. There are no options and no negative marking.

Answer: 4 Grids & Matrices TITA

A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.