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Year

CAT 2021

Section

Data

Topic

DI Tables

Difficulty

Medium

Question

Slot-1

Read the passage and answer the questions below.

Passage:

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.

Here’s your table in Markdown format:

| Name     | 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 1

Who are Gowtham's acquaintances?

Amudha, Bharatan and Fani

Dhinesh, Ezhil and Fani

Amudha, Dhinesh and Fani

Bharatan, Dhinesh and Ezhil

Question 2

Which of these pairs share the same type of relationship?

(Bharatan, Chandran) and (Dhinesh, Ezhil)

(Chandran, Ezhil) and (Dhinesh, Gowtham)

(Amudha, Gowtham) and (Ezhil, Fani)

(Bharatan, Ezhil) and (Fani, Gowtham)

Question 3

Who is an acquaintance of Amudha?

Dhinesh

Fani

Ezhil

Gowtham

Question 4

Who is an acquaintance of Chandran?

Ezhil

Bharatan

Fani

Dhinesh

Question 5

How many friends does Ezhil have?

Question 6

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

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