Interesting test questions (from mid-term exam)

This is a link I picked up on Reddit:

http://econpage.com/201/exams/mt1/index.html

See questions 19, 20 and 21.

I'm now going to spend valuable time thinking of viable ways to translate this into Programming related (or) Project Management related questions. Wondering if the University will invest some $$ into research material acquisition .... [[it will all make sense once you look at the actual questions]]