I found a batch of 10 question Sherlock Holmes trivia quizzes on this site called Fun Trivia. I took a couple and got 10/10 - one of them said the average was 7/10. If you don't know them here's a link to the site https://www.funtrivia.com/quizzes/lit...
https://www.funtrivia.com/quizzes/lit...