HLG- Don’t worry, I’m sure you won’t get the worst score
Kaldath- Please refrain from giving away answers. Could you edit your post to remove the answer you’ve accidentally put. I don’t want anyone seeing them before having a go themselves.
Trekkie- I would have guessed a fellow Brit would get 20 right, but HOW did you get 13 right. I knew there were 5 but I had to look up the fifth for the question.