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In a class, there are 80 students who st...

In a class, there are 80 students who study both Computer Science and Electronics. While 100 students study Computer Science, 120 students study Electronics. How many of them study Computer Science only?

A

100

B

40

C

180

D

20

Text Solution

Verified by Experts

The correct Answer is:
D

There are 100 students in Computer Science which include students of electronics too.
`therefore ` Number of students opting for Computer Science only.
` = 100-80 = 20`
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