Cognizant Programme Analyst interview questions

Easy one.just few question on Java,C++

1st round technical interview: asked self introduction, what do know about the company etc, answered aptly do know about programming, i said beginner at c language and had an idea about java then asked could you write any program in c, i wrote transpose of matrix with direct assignment then asked a aptitude question: the interviewee drawn a triangle and its medians and connecting the vertices of the medians drawn another triangle, asked how many triangles are there?