In the following question below are given some statements followed by
I. All Students are Teachers.
II. All Teachers are Schools.
I. Some schools are students.
II. No schools are students.
Right Answer is: A
Possible Venn-diagram of the given sentences is,
Here, either or situation will not occur even after no negative statements given in the question because diagram clearly says students are the parts of schools.
Thus, Only conclusion I follows.