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In a class, 25 students study English, 20 study Hindi, and 5 study both. What is

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Question: In a class, 25 students study English, 20 study Hindi, and 5 study both. What is the number of students studying only Hindi?

Options:

  1. 15
  2. 20
  3. 25
  4. 5

Correct Answer: 15

Solution: 

The number of students studying only Hindi is calculated as: Hindi only = Total Hindi - Both = 20 - 5 = 15.

In a class, 25 students study English, 20 study Hindi, and 5 study both. What is

Practice Questions

Q1
In a class, 25 students study English, 20 study Hindi, and 5 study both. What is the number of students studying only Hindi?
  1. 15
  2. 20
  3. 25
  4. 5

Questions & Step-by-Step Solutions

In a class, 25 students study English, 20 study Hindi, and 5 study both. What is the number of students studying only Hindi?
  • Step 1: Identify the total number of students studying Hindi, which is 20.
  • Step 2: Identify the number of students studying both English and Hindi, which is 5.
  • Step 3: To find the number of students studying only Hindi, subtract the number of students studying both from the total number of students studying Hindi.
  • Step 4: Perform the calculation: 20 (total Hindi) - 5 (both) = 15.
  • Step 5: The result is that 15 students study only Hindi.
  • Set Theory – Understanding the relationship between different groups of students studying languages, specifically using the principle of inclusion-exclusion.
  • Basic Arithmetic – Performing simple subtraction to find the number of students studying only one language.
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