Neilia,
This is not a non-sense question or created by school. I took the exams (Indian ATPL) in July last year and I saw similar question in my exam paper. This question is in Indian DGCA ATPL question bank. Sometime they ask similar question in the CPL exams.
Canuck,
Take a look at this
http://www.indianpilots.com/forum/viewtopic.php?t=1226 Goodluck with your exams.