There were 5 Trivia questions, each worth 100 points:
Addition is hard!
0x0+0x7068703f = ?
Answer in decimal
This is an easy trivia question, it even comes with a hint hidden in the second operand:
$ python2 -c "print ('%x' % 0x7068703f).decode('hex')"
Using an affected PHP binary to compute the sum yields: 3771785342
More info on the PHP bug: https://bugs.php.net/bug.php?id=61095
In case you do not have the affected PHP version you can just do this by hand as well:
7068703f = 1885892671
2 x 1885892671 = 3771785342
What’s a password that polaroid head got from inside Ellingson?
A quick google reveals this question refers to the movie “Hackers” (1995). Luckily, someone was kind enough to post the full movie script online, in which we find the following passage explicitly mentioning “shoulder surfing”: