Fill in the blank with the most appropriate option.
Kedar \(\underline{\hspace{1cm}}\) this project for a month and now he is about to join a new project.
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?
How many triangles are there in the figure given below? 