Question: In a survey, 45 people like apples, 30 like oranges, and 15 like both. How many people like only oranges?
Options:
15
30
45
0
Correct Answer: 30
Solution:
The number of people who like only oranges is 30 - 15 = 15.
In a survey, 45 people like apples, 30 like oranges, and 15 like both. How many
Practice Questions
Q1
In a survey, 45 people like apples, 30 like oranges, and 15 like both. How many people like only oranges?
15
30
45
0
Questions & Step-by-Step Solutions
In a survey, 45 people like apples, 30 like oranges, and 15 like both. How many people like only oranges?
Step 1: Identify the total number of people who like oranges, which is 30.
Step 2: Identify the number of people who like both apples and oranges, which is 15.
Step 3: To find the number of people who like only oranges, subtract the number of people who like both from the total number of people who like oranges.
Step 4: Perform the calculation: 30 (people who like oranges) - 15 (people who like both) = 15.
Step 5: Conclude that 15 people like only oranges.
Set Theory – Understanding the relationships between different groups, specifically how to calculate the number of individuals in overlapping sets.
Venn Diagrams – Using visual representations to solve problems involving overlapping groups.
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