Multiple choice general knowledge

In which of the following mysteries is sherlock holmes is shown to have used cocaine?

  1. The sign of four

  2. The hound of baskervilles

  3. The Adventure of the Second Stain

  4. The Adventure of the Six Napoleons

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In 'The Sign of Four,' Sherlock Holmes explicitly discusses his use of cocaine and injects a 7% solution when bored. While he does use cocaine in several Conan Doyle stories, this is one of the most prominent instances. The other works listed don't feature his drug use as prominently.