Question: In a survey, 45 people like action movies, 30 like drama, and 15 like both. How many people like only action movies?
Options:
30
15
45
60
Correct Answer: 30
Solution:
The number of people who like only action movies is 45 - 15 = 30.
In a survey, 45 people like action movies, 30 like drama, and 15 like both. How
Practice Questions
Q1
In a survey, 45 people like action movies, 30 like drama, and 15 like both. How many people like only action movies?
30
15
45
60
Questions & Step-by-Step Solutions
In a survey, 45 people like action movies, 30 like drama, and 15 like both. How many people like only action movies?
Step 1: Identify the total number of people who like action movies, which is 45.
Step 2: Identify the number of people who like both action movies and drama, which is 15.
Step 3: To find the number of people who like only action movies, subtract the number of people who like both from the total number of action movie fans: 45 - 15.
Step 4: Calculate the result: 45 - 15 = 30.
Step 5: The final answer is that 30 people like only action movies.
Set Theory – Understanding the relationship between different groups and how to calculate the number of elements in each subset.
Venn Diagrams – Using Venn diagrams to visualize the overlap between different categories (action and drama movies in this case).
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