The following 20 questions will appear in random order. If you
the same question again, press 'Refresh' or 'Reload' on your browser to
get another question. (To get a printable answer grid click here.) As an alternate to answering each
question, since each question is selected
by a random number generator, you might just want to tally how many
'Refresh's or 'Reload's
are needed before all of the questions are presented.