Question: In a survey, 45 people like apples, 30 like bananas, and 15 like both. How many people like only bananas?
Options:
15
30
45
0
Correct Answer: 15
Solution:
The number of people who like only bananas is 30 - 15 = 15.
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 bananas?
15
30
45
0
Questions & Step-by-Step Solutions
In a survey, 45 people like apples, 30 like bananas, and 15 like both. How many people like only bananas?
Step 1: Identify the total number of people who like bananas, which is 30.
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 bananas, subtract the number of people who like both from the total number of banana likers: 30 - 15.
Step 4: Calculate the result: 30 - 15 = 15.
Step 5: Conclude that 15 people like only bananas.
Set Theory – Understanding how to calculate the number of elements in overlapping sets.
Venn Diagrams – Visualizing relationships between different groups to solve problems involving intersections.
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