Logical Reasoning - Venn Diagrams

CAT exam is round the corner being conducted in November 2021and all aspirants must be engaged in tying the loose ends and mastering the subject matter.  Few Venn diagram questions for CAT are given below:

Directions to Solve

Each of these questions given below contains three elements. These elements may or may not have some inter linkage. Each group of elements may fit into one of these diagram at (A), (B), (C), (D) or (E). You have to indicate the group of elements which correctly fits into the diagrams.

Question 1)

Which of the following diagrams indicates the best relation between Men, Father and Doctor?

Answer: Option A

Solution:

All Father are men and some father and some men may be doctor.

Question 2)

Which of the following diagrams indicates the best relation between passenger, plane and  trains?

Answer: Option C

Solution:

Plane and Trains are different from each other but some passengers travel by plane and some travel by train.

Question 3)

In the following diagram the boys who are athletic and are discipled are indicated by which number?

Answer: Option B

Solution:

The required number is 2