In a class of 50 students, 20 study Mathematics, 25 study Science, and 10 study

Practice Questions

Q1
In a class of 50 students, 20 study Mathematics, 25 study Science, and 10 study both. How many students study only Mathematics?
  1. 10
  2. 20
  3. 30
  4. 15

Questions & Step-by-Step Solutions

In a class of 50 students, 20 study Mathematics, 25 study Science, and 10 study both. How many students study only Mathematics?
  • Step 1: Identify the total number of students studying Mathematics, which is 20.
  • Step 2: Identify the number of students studying both Mathematics and Science, which is 10.
  • Step 3: To find the number of students studying only Mathematics, subtract the number of students studying both from the total number studying Mathematics.
  • Step 4: Perform the calculation: 20 (total Mathematics students) - 10 (students studying both) = 10.
  • Step 5: The result is that 10 students study only Mathematics.
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