COMPREHENSION:
Seven persons A, B, C, D, E, F and G are travelling in three vehicles — Swift, Creta, Nexon.
There are at least two people in each vehicle, and only one male.
There are two engineers, two doctors, and three teachers.
In which vehicle does C travel?
How many triangles are there in the figure given below? 
"In order to be a teacher, one must graduate from college. All poets are poor. Some Mathematicians are poets. No college graduate is poor."
Which of the following is true?
Five friends A, B, C, D, and E are sitting in a row facing north, but not necessarily in the same order:
B is to the immediate left of C
E is not at any of the ends
D is to the right of E but not next to C
A is at one of the ends
Who is sitting in the middle?