For a master's degree, the subjects are mathematics, economics, business administration, and art and culture.
Some of the students prefer only one subject, while others prefer two, three, and even all four subjects.
Using the Venn diagram above, find the region that shows students preferring all 4 subjects.

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Solution

The correct option is A M
According to the Venn diagram, the area that represents the students preferring all 4 subjects is represented by the area common to all the circles.

We can see that only M is the region common to all the circles.

Thus, the area that represents the students preferring all 4 subjects is M.

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