Question: In a class of 80 students, 45 study English, 35 study Hindi, and 20 study both. How many study only Hindi?
Options:
15
20
10
5
Correct Answer: 15
Solution:
The number of students who study only Hindi is 35 - 20 = 15.
In a class of 80 students, 45 study English, 35 study Hindi, and 20 study both.
Practice Questions
Q1
In a class of 80 students, 45 study English, 35 study Hindi, and 20 study both. How many study only Hindi?
15
20
10
5
Questions & Step-by-Step Solutions
In a class of 80 students, 45 study English, 35 study Hindi, and 20 study both. How many study only Hindi?
Step 1: Identify the total number of students studying Hindi, which is 35.
Step 2: Identify the number of students studying both English and Hindi, which is 20.
Step 3: To find the number of students studying only Hindi, subtract the number of students studying both from the total number studying Hindi: 35 - 20.
Step 4: Calculate the result: 35 - 20 = 15.
Step 5: Therefore, the number of students who study only Hindi is 15.
Set Theory – Understanding the relationships between different groups of students studying different languages.
Venn Diagrams – Using Venn diagrams to visualize the overlap between students studying English, Hindi, and both.
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