In a group of 80 students, 46 chose Mathematics, 39 chose Physics, and 22 chose both. How many students chose only Physics?
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Answer and explanation
Correct answer: 17
The 39 students who chose Physics include both the students who chose only Physics and the 22 students who chose both subjects. Therefore, the number choosing only Physics is 39−22=17. The value 24 is only Mathematics, while 63 is the number choosing at least one subject, not only Physics. Hence option A is correct.
Frequently asked questions
What is the correct answer to this question?
17
Why is this the correct answer?
The 39 students who chose Physics include both the students who chose only Physics and the 22 students who chose both subjects. Therefore, the number choosing only Physics is 39−22=17. The value 24 is only Mathematics, while 63 is the number choosing at least one subject, not only Physics. Hence option A is correct.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Sets. Topic: Venn Diagrams.
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