List of top General Aptitude Questions on Mathematical Logic asked in GATE CY

What is the smallest number with distinct digits whose digits add up to 45?
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?