Select the Venn diagram that best represents the relationship between the following classes. Entrance test, Questions, Practice test

The Venn diagram that best represents the relationship between Entrance test, Questions, and Practice test is shown below:

Both Entrance Test and Practice Test are made up of a number of different questions.
Hence, ' option 4 ' is the correct answer.
Select the Venn diagram that best illustrates the relationship among the following classes.
Neptune, Planet, Moon
Teacher, College, Student –
Cabinet, Home Minister, Minister –
Professor, Researcher, Scientist –
In the following figure, square represents Teachers, triangle represents swimmers, circle represents Nurses and rectangle represents Women. Which set of letters represent Teachers who are either swimmers or nurses?
