In this question a few conclusions are drawn from two or more given statements. It is based on deductive reasoning rather than inductive reasoning. You have to consider the given statements to be true, even if they are different from established facts and accordingly choose the right answer.
Statements:
I) No square is a triangle
II) All triangles are circles
III) Some rectangles are squares
IV) Some circles are rectangles

Conclusions:


I) No square is a circle
II) All rectangles being triangles is a possibility
III) All circles being squares is a possibility

None of the statements follow

Conclusions:

I) No square is a circle - not followed 
II) All rectangles being triangles is a possibility - not followed 
III) All circles being squares is a possibility  - not followed

Ans :- None of the statements follow