Quiz of HSC mathematics

HSC tests are taken by year 12 students looking for a good placement in a university. Some say it's too hard, others say the past is better. I made a quiz that contains a set of real life HSC questions. I got 6/10 correct. You may use a calculator. I have no idea how probability works.

http://www.smh.com.au/national/education/hsc-2014-sydney-girls-not-intimidated-by-mathematical-rigour-20141022-119y2l.html

title page of the quiz