Question: In a survey, 45 people like apples, 30 like bananas, and 15 like both. How many people like only apples?
Options:
30
15
45
60
Correct Answer: 30
Solution:
The number of people who like only apples is 45 - 15 = 30.
In a survey, 45 people like apples, 30 like bananas, and 15 like both. How many
Practice Questions
Q1
In a survey, 45 people like apples, 30 like bananas, and 15 like both. How many people like only apples?
30
15
45
60
Questions & Step-by-Step Solutions
In a survey, 45 people like apples, 30 like bananas, and 15 like both. How many people like only apples?
Step 1: Identify the total number of people who like apples, which is 45.
Step 2: Identify the number of people who like both apples and bananas, which is 15.
Step 3: To find the number of people who like only apples, subtract the number of people who like both from the total number of people who like apples.
Step 4: Perform the calculation: 45 (people who like apples) - 15 (people who like both) = 30.
Step 5: The result, 30, is the number of people who like only apples.
Set Theory – Understanding the relationships between different groups, specifically how to calculate the number of elements in overlapping sets.
Venn Diagrams – Using visual representations to solve problems involving overlapping sets.
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