Question

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
С
180
D 20​

Answer 1

Answer:

Correct Option: A

There are 100 students in Computer Science which include students of electronics too. Therefore , 20 students study Computer Science only .

Answer 2

$OPTION \blue \star [D] \blue \star \orange{20}$

$\huge{ \mathcal \orange{SOLUTION:-}}$

There are 100 students in Computer Science which include students of electronics too. Therefore , 20 students study Computer Science only .