Question: In a survey, 90 people like apples, 70 like bananas, and 30 like both. How many people like only bananas?
Options:
40
30
50
60
Correct Answer: 40
Solution:
The number of people who like only bananas is 70 - 30 = 40.
In a survey, 90 people like apples, 70 like bananas, and 30 like both. How many
Practice Questions
Q1
In a survey, 90 people like apples, 70 like bananas, and 30 like both. How many people like only bananas?
40
30
50
60
Questions & Step-by-Step Solutions
In a survey, 90 people like apples, 70 like bananas, and 30 like both. How many people like only bananas?
Step 1: Identify the total number of people who like bananas, which is 70.
Step 2: Identify the number of people who like both apples and bananas, which is 30.
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 lovers: 70 - 30.
Step 4: Calculate the result: 70 - 30 = 40.
Step 5: Conclude that 40 people like only bananas.
Set Theory – Understanding the relationships between different groups, specifically using Venn diagrams to visualize overlaps.
Basic Arithmetic – Performing simple subtraction to find the number of individuals in a specific category.
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