This one annoyed me...
I had True at first but then changed it as kids under 5 are free which is still technically a discount IF they are given a ticket at all.
As a natural English speaker, this felt a bit like a trick question as if the kids under 5 weren't counted as passengers then it's true. However, if they are counted then it's False as a zero priced ticket is a discount from a full price ticket.
My English graduate friends are also split. Technically there wasn't enough information given to logically give a firm answer.
Oh well, hopefully it doesn't matter for me tomorrow
[Edit] Sorry I can't help on the other answers, this is the only one that has been burned into my brain