Question: In a class of 80 students, 50 like English, 30 like Hindi, and 10 like both. How many students like only Hindi?
Options:
20
30
10
40
Correct Answer: 20
Solution:
The number of students who like only Hindi is 30 - 10 = 20.
In a class of 80 students, 50 like English, 30 like Hindi, and 10 like both. How
Practice Questions
Q1
In a class of 80 students, 50 like English, 30 like Hindi, and 10 like both. How many students like only Hindi?
20
30
10
40
Questions & Step-by-Step Solutions
In a class of 80 students, 50 like English, 30 like Hindi, and 10 like both. How many students like only Hindi?
Step 1: Identify the total number of students who like Hindi, which is 30.
Step 2: Identify the number of students who like both English and Hindi, which is 10.
Step 3: To find the number of students who like only Hindi, subtract the number of students who like both from the total number of students who like Hindi.
Step 4: Perform the calculation: 30 (students who like Hindi) - 10 (students who like both) = 20.
Step 5: Conclude that 20 students like only Hindi.
Set Theory – Understanding the relationships between different groups of students based on their preferences.
Venn Diagrams – Using Venn diagrams to visualize the overlap between students who like English, Hindi, and both.
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