Statement All the students in my class are intelligent.

Direction: Which of the conclusions can be drawn from the statement.

Statement
All the students in my class are intelligent. Kaushik is not intelligent.

1. Some students are not intelligent
2. Non- intelligent are not students
3. kaushik is not a student of my class
4. All other than Kaushik are intelligent

As all the students in my class are intelligent and Kaushik is not intelligent, so Kaushik is not a student of my class.