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Q#1
Numerical ability
GATE EC 2023
MCQ
+1 mark
-0.33 marks
In a class of 100 students,
(i) there are 30 students who neither like romantic movies nor comedy movies,
(ii) the number of students who like romantic movies is twice the number of students who like comedy movies, and
(iii) the number of students who like both romantic movies and comedy movies is 20.
How many students in the class like romantic movies?
40
20
60
30
Explanation:
Using set theory, total variables are 2
Let students who like Romantic Movies 
.
Students who like Comedy Movies 
.
Given 
Also, 30 students do not like Romantic and Comedy Movies both.
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